Gingival stomatitis, herpes genitalis, herpes gladiatorum, encephalitis, keratoconjunctivitis, and chickenpox are all caused by members of the Family Herpesviridae, whose members have linear double-stranded DNA as their chromosome.
Many common diseases, such as chickenpox, shingles, mononucleosis, cold sores, and genital herpes, are caused by members of the human herpesvirus family. Human herpesvirus infections frequently persist latently, which means they continue in the host even after the initial infection has cleared up and may later reactivate.
The herpes simplex virus types 1, 2, varicella-zoster virus, CMV, Epstein-Barr virus, human herpesviruses 6, 7, and, most recently, Kaposi's Sarcoma herpesvirus are collectively referred to as the human herpesviruses.
Learn more about chickenpox viruses Visit: brainly.com/question/4024185
#SPJ4
What is the pathway of the cardiac conduction system?
The electric impulse travels from the sinus node to the atrioventricular node (additionally referred to as AV node).
There, impulses are bogged down for a completely brief period, then keep down the conduction pathway thru the package deal of His into the ventricles. The conduction system includes specialized coronary heart muscle cells, located in the myocardium. There is a skeleton of fibrous tissue that surrounds the conduction device which may be visible on an ECG. Dysfunction of the conduction device can reason abnormal coronary heart rhythms consisting of rhythms which are too speedy or too slow. he cardiac conduction system (CCS) (additionally referred to as the electric conduction device of the coronary heart) transmits the alerts generated with the aid of using the sinoatrial node – the coronary heart's pacemaker, to reason the coronary heart muscle to contract, and pump blood via the body's circulatory system.
To learn more about circulatory system check the link below-
https://brainly.com/question/3597250
#SPJ4
nutrient the body uses to build and maintain cells and tissues and provide energy; may also act as hormones or enzymes.
The nutrient that the body uses to build and maintain cells and tissues, and provide energy, and may also act as hormones or enzymes, is called "protein."
Proteins are made up of long chains of amino acids and are essential for the growth and repair of tissues, as well as for the production of enzymes and hormones that regulate various bodily processes. Protein-rich foods include meat, fish, poultry, eggs, dairy products, beans, and nuts.
Protein provides numerous benefits to the body. Here are some of the most important benefits of protein:
Building and repairing tissues: Protein is essential for building and repairing tissues in the body. This is particularly important for athletes, bodybuilders, and people recovering from injuries.
Muscle development: Protein is necessary for muscle development and maintenance. It provides the building blocks needed to support muscle growth and repair.
Overall, protein is a crucial nutrient that provides numerous benefits to the body, and it is essential for overall health and wellbeing.
For more such questions on protein
https://brainly.com/question/10058019
#SPJ4
Sheila plants white flowers and collects the seeds from all the plants once they mature. She plants the seeds from her flowers, expecting plants with white flowers to grow, but some of the offspring have purple flowers.
How could parent plants that have white flowers produce offspring with purple flowers? Use a Punnett square and an explanation as a part of your answer
If both parents were heterozygous for the flower color gene, then it is possible for their offspring to have purple flowers even though both parents had white flowers. This is because the purple allele is recessive and only shows up in the (observable traits) when an individual has two copies of the allele (ww).
What is Offspring?
Offspring are the descendants produced by the reproduction of one or more parents. The term is commonly used in the context of animal or plant reproduction, and it can refer to the offspring of sexual or asexual reproduction. Offspring can be genetically identical to their parents, as in asexual reproduction, or they can be genetically diverse, as in sexual reproduction where offspring inherit genetic material from both parents.
The most likely explanation for parent plants with white flowers producing offspring with purple flowers is that they were both heterozygous for the flower color gene. In other words, each parent had one dominant white allele (W) and one recessive purple allele (w). When the parents reproduce, their offspring have a 25% chance of inheriting two white alleles (WW), a 50% chance of inheriting one white and one purple allele (Ww), and a 25% chance of inheriting two purple alleles (ww).
To demonstrate this, we can use a Punnett square. The Punnett square is a tool used in genetics to predict the outcomes of a cross between two individuals. It shows the possible combinations of alleles that can be passed from the parents to their offspring.
Assuming both parent plants were heterozygous (Ww), the Punnett square would look like this:
| W | w
--|-----|-----
W | WW | Ww
--|-----|-----
w | Ww | ww
From the Punnett square, we can see that there is a 25% chance of the offspring inheriting two white alleles (WW), a 50% chance of inheriting one white and one purple allele (Ww), and a 25% chance of inheriting two purple alleles (ww).
Therefore, if both parents were heterozygous for the flower color gene, then it is possible for their offspring to have purple flowers even though both parents had white flowers. This is because the purple allele is recessive and only shows up in the phenotype (observable traits) when an individual has two copies of the allele (ww).
Learn more about Offspring from given link
https://brainly.com/question/471576
#SPJ1
which of the mrna processing events occurs in the nucleus of human cells?
All four of these activities are involved in how mRNA is processed. The 5 cap and poly tail are both introduced. Exons and introns make up the modern mRNA. By means of several enzymes, the introns are excised and the exons are spliced. So, option E is correct.
Before being carried from the nucleus to the cytoplasm for translation, the primary transcript, also called pre-mRNA, goes through a number of modifications, including capping, splicing, and polyadenylation.
In capping, a 7-methylguanosine cap is added to the pre-mRNA molecule's 5' end in order to prevent degradation and make it easier for the translation machinery to recognize it.
The procedure of splicing involves the removal of introns from the pre-mRNA sequence and the joining of the exons. The spliceosome, a combination of RNA and protein molecules, performs this function.
A poly(A) tail is added to the 3' end of the pre-mRNA molecule during polyadenylation, which is important for its stability and transportation to the cytoplasm.
To know more about mRNA
brainly.com/question/12903143
#SPJ4
The complete question is:
Which of the mRNA processing events occurs in the nucleus of human cells?
A) splicing of exons
B) excision of introns
C) poly-A tail addition
D) 5' cap addition
E) All of the above.
what major paired vessels supply oxygenated blood to the head and neck regions? specify veins or arteries.
The major paired vessels that supply oxygenated blood to the head and neck regions are the carotid arteries and the jugular veins.
The carotid arteries are two major blood vessels that originate in the chest and supply oxygenated blood to the head and neck regions. There are two carotid arteries, one on each side of the neck, and they each divide into two branches: the internal carotid artery, which supplies blood to the brain, and the external carotid artery, which supplies blood to the face, neck, and scalp.
The jugular veins are also paired vessels that drain deoxygenated blood from the head and neck regions back to the heart. There are two jugular veins, one on each side of the neck, and they run alongside the carotid arteries. The internal jugular vein is the larger of the two and drains blood from the brain and the deep tissues of the neck and face, while the external jugular vein drains blood from the superficial tissues of the face and neck.
To know more about jugular veins here
https://brainly.com/question/27867441
#SPJ4
2. how much bacterial growth do you see on each plate, relatively speaking?
The LB/amp and LB/amp/ara plates that were infected with the pGLO bacterial plasmid ought to have several colonies on each (optionally up to 75 colonies). On the LB/amp -DNA plate, there should be no growth.
On each of the two (+) pGLO plates, there ought to be about 75 bacterial colonies. There is a uniform distribution of bacteria on the LB plate, making it impossible to count individual colonies.
Since the antibiotic on plate number four only permits bacteria carrying the pGREEN plasmid and its antibiotic resistance gene to grow, this plate is where the transformants are found. When exposed to UV light, the altered bacterial colonies emit a green glow. The greatest experiment would be to streak some of the bacteria on the LB plate.
Learn more about bacterial Visit: brainly.com/question/26298859
#SPJ4
what do parasites in stool look like
The parasites which are usually found in stools look like worms and are mainly roundworms, pinworms etc.
There are several parasites which can be present in the intestines as they basically feed off our body. Worms which are present in our gut eventually happen to pass through the digestive system and get excreted out of our body through the stool or feces. Even if we are not showing any symptoms, we can still find signs of worms in our stool.
The worms which are present in the human feces can take a number of shapes and appearances. For roundworms, we will find pieces of worms in our feces. In the case of pinworms, we will be able to see thin, white colored worms which happen to appear like pieces of thread.
To know more about roundworms
https://brainly.com/question/27609692
#SPJ4
Some scientists think that complex eukaryotic cells formed from the union of
two separate prokaryotic cells. The engulfing of one prokaryotic cell by
another is a plausible explanation of why
A,eukaryotic cells lack the defense mechanisms of prokaryotic cells.
B,eukaryotic cells don't share any similarities with prokaryotic cells.
C,organelles in a eukaryotic cell work cooperatively.
D,organelles in a eukaryotic cell would attack other cells.
which structures would be found in a bacterium, but not in a human cell?
Bacteria lack a membrane-enclosed nucleus, in contrast to eukaryotic (true) cells. A area of the cell known as the nucleoid is where the chromosome, a single continuous strand of DNA, is localized but not confined.
The presence of peptidoglycan, which is situated directly outside of the cell membrane, distinguishes the bacterial cell wall from that of all other organisms. An equal number of N-acetylglucosamine (NAG) and N-acetylmuramic acid (NAM) residues alternate in the polysaccharide backbone that makes up peptididoglycan.
Many eukaryotic cell structures are absent from bacteria. They lack a nucleus, for instance. They also lack organelles that are attached to membranes, such chloroplasts and mitochondria. Bacterial cells have DNA that is distinct from eukaryotic cells.
Learn more about bacterium Visit: brainly.com/question/29330999
#SPJ4
Correct Question:
What type of structures would be found in a bacterium, but not in a human cell?
what would you expect to observe with regard to the current if more than one enzyme facilitated the complete breakdown of glucose instead of a one-enzyme partial breakdown of glucose?
If more than one enzyme facilitated the complete breakdown of glucose instead of a one-enzyme partial breakdown of glucose, we would expect to observe changes in the rate and/or efficiency of glucose metabolism, as well as changes in the byproducts produced.
The complete breakdown of glucose occurs through the process of cellular respiration, which involves several enzymatic reactions. Each reaction is catalyzed by a specific enzyme, and each enzyme has a specific optimal range of temperature, pH, and other environmental conditions for optimal activity.
If more than one enzyme is involved in glucose metabolism, we would expect to see a more complex regulatory mechanism of the pathway. This would require coordination among the enzymes to ensure proper timing and control of the reactions.
Additionally, the byproducts produced during glucose metabolism may be affected. For example, if different enzymes are used to break down glucose, the relative amounts of carbon dioxide, water, and energy produced during the process might differ. Furthermore, the accumulation of intermediate metabolites may also differ depending on the enzymes involved.
To know more about enzyme here
https://brainly.com/question/20785102
#SPJ4
in what ways can mitochondria adapt to the changing needs of a cell?
A) They can change their location;C) They can change their number;D) They can change their shape; these are the ways that mitochondria adapt to the changing needs of a cell.
Mitochondria are highly dynamic organelles that can adapt to the changing needs of a cell in a number of ways. For example, they can change their location by moving to areas of the cell that require more energy, such as near the nucleus or the cell membrane. They can also change their internal structure, such as by forming more or fewer cristae. Additionally, mitochondria can change their number by either fissioning and dividing into two new mitochondria or merging with other mitochondria. Likewise, mitochondria can also change their shape in response to the demands of the cell. Finally, mitochondria are able to carry out glycolysis, which is the breakdown of glucose to produce energy. This ability to carry out glycolysis enables the mitochondria to provide a cell with energy when energy demands are high.
learn more about Mitochondria Refer:brainly.com/question/10688306
#SPJ4
complete question:In what ways can mitochondria adapt to the changing needs of a cell?
Choose one or more:
A) They can change their location.
B) They can change their internal structure.
C) They can change their number.
D) They can change their shape.
E) They can carry out glycolysis.
What is the main function of epiglottis?
The main function of the epiglottis is to prevent food and liquid from entering the trachea (windpipe) during swallowing.
What is the epiglottis ?The epiglottis is a flap of tissue located at the base of the tongue, and it is attached to the entrance of the larynx (voice box). During swallowing, the larynx moves upward and the epiglottis folds back over the larynx, forming a seal that prevents food and liquid from entering the airway.
This allows the food and liquid to pass down the esophagus and into the stomach, while keeping the airway clear for breathing.
Find out more on the epiglottis at https://brainly.com/question/25963497
#SPJ1
What type of adipose tissue tends to decrease as humans age? a. Brown adipose tissue b. White adipose tissue c. Unilocular adipose tissue d. Multilocular adipose tissue
A and D are the correct option. Age-related declines in brown and beige adipose tissue mass and thermogenesis activity are associated with lower energy expenditure in the elderly.
Aging causes a reduction in brown adipose tissue function, which may hasten the development of metabolic diseases including diabetes and obesity. The mechanisms causing the metabolic deterioration of brown adipocytes with ageing are still partially understood. Aging causes both peripheral subcutaneous adipose tissue (SAT) and visceral adipose tissue (VAT) to drastically diminish. Generally, a prolonged positive calorie balance, decreased physical activity, and a lower basal metabolic rate cause adipose tissue mass to grow with age (28).
To know more about adipose, click here:
https://brainly.com/question/10997272
#SPJ4
which type of muscle tissue contain striations when viewed through a microscope
The type of muscle tissue that contains striations when viewed through a microscope is skeletal muscle tissue.
Skeletal muscle tissue is the muscle tissue that is attached to bones and is responsible for voluntary movement. The striations that are visible in skeletal muscle tissue are due to the organized arrangement of the contractile proteins, actin, and myosin, within the muscle fibers.
These striations give skeletal muscle tissue its characteristic striped or striated appearance when viewed under a microscope. In contrast, smooth muscle tissue and cardiac muscle tissue do not typically exhibit striations when viewed through a microscope.
Skeletal muscle tissue is composed of long, cylindrical cells called muscle fibers. These fibers are multinucleated, meaning they contain multiple nuclei within each cell, and are surrounded by connective tissue that forms tendons, which attach the muscle to the bone.
To know more about tissue here
https://brainly.com/question/29782323
#SPJ4
A potent inhibitor of platelet aggregation released by endothelial cells is:
A. Epinephrine
B. Prostacyclin
C. Ristocetin
D. Thromboxane A2
Option A is Correct. Epinephrine is a powerful inhibitor of platelet aggregation produced by endothelial cells. Despite not being an aggregating agent, pinephrine potentiates human platelet activation.
Nitric oxide (NO), which is released from endothelial cells, prevents platelet aggregation by causing soluble guanylyl cyclase (sGC) to be activated. This causes an increase in cGMP and the activation of protein kinase G (PKG), which phosphorylates downstream proteins, lowers Ca2+ levels, and inhibits integrins.
As cyclo-oxygenase is a crucial enzyme in platelet prostaglandin processing, aspirin prevents platelet aggregation by irreversibly inactivating it, whereas other nonsteroidal anti-inflammatory medications including sulphinpyrazone produce reversible and dose-dependent suppression of the same enzyme.
Learn more about Epinephrine Visit: brainly.com/question/12976344
#SPJ4
Of the taxa listed on the phylogeny, which is more closely related to bats?A. Turtles and birds are equally related to batsB. coelacanthsC. The rootD. Caecilians
The correct option is A; Turtles and birds are equally related to bats. Based on these considerations, turtles are currently widely accepted to be the most closely related extant taxa to archosaurs .
And, with less certainty, to be the most closely related extinct taxa to sauropterygians (e.g. Li et al., 2008; Müller & Tsuji, 2007), although the above. The relatedness of two species in a phylogenetic tree has a very specific meaning. If two species have a more recent common ancestor, they are more related;
if they have a less recent common ancestor, they are less related. A monophyletic taxon is one that includes the most recent common ancestor of a group of organisms as well as all of its descendants [as in (a)]. Such groups are sometimes referred to as holophyletic.
Learn more about taxa
https://brainly.com/question/13049459
#SPJ4
what is the most likely cause of wheezing and hives
Epinephrine: Anaphylaxis, a life-threatening condition brought on by severe acute allergic reactions, can occur. Infections are the most frequent reason for hives.
Hives, face, mouth, or throat swelling, shortness of breath, wheezing, vomiting, and low blood pressure are a few symptoms. Urticaria is frequently brought on by foods including eggs, almonds, and shellfish. Aspirin and certain antibiotics, particularly penicillin and sulfa, are common causes of hives. The common cold and other viral infections are among the illnesses that can cause hives. Typical causes include an allergy attack, an infection, or a physical obstruction like a tumour or an inhaled foreign object.
To know more about Epinephrine, click here:
https://brainly.com/question/30160747
#SPJ4
how did the structure of dna reveal how it stored information?
The structure of DNA revealed how it stored information through its double helix shape and the sequence of nucleotides that made up the strands. The DNA molecule consists of four types of nucleotides: adenine (A), thymine (T), cytosine (C), and guanine (G).
Two complementary strands of nucleotides make up the double helix structure of DNA, which is joined by hydrogen bonds between the bases of the nucleotides. Cytosine pairs with guanine, while adenine pairs with thymine. The DNA can properly and effectively reproduce itself thanks to base pairing, guaranteeing that the genetic information is passed on to the next generations.
DNA's nucleotide sequence contains the instructions needed to create and maintain an organism. Genes are sections of DNA that hold the blueprints for creating particular proteins. The amino acid sequence of the protein that a gene codes for depends on the nucleotide sequence of that gene. The genetic code can be altered by mutations in the DNA, which can modify the structure and function of proteins. These changes can have a substantial impact on the traits and health of an organism.
Learn more about DNA
brainly.com/question/264225
#SPJ4
which is broader and more inclusive: a scientific theory or a hypothesis?
A scientific theory is boarder and more inclusive not hypothesis. When the scientists test an idea, they develop a theory by following a set of logical steps and this is how scientific theory formulates.
A collection of empirical (experimental) laws pertaining to regularities occurring in objects and events, both observed and posited, make up scientific theory, which is a systematic ideational framework of large scope created by the human imagination.
A scientific theory is a framework developed to explain these rules in a way that is consistent with science.
An assumption is said to as a hypothesis when it is supported by evidence. Any investigation that turns the research questions into predictions must start here. Variables, the population, and the relationships between the variables are among its constituent parts.
A hypothesis used to examine the link between two or more variables is known as a research hypothesis.
Learn more about scientific theory:
https://brainly.com/question/17152046
#SPJ4
___ refers to all the different genes contained within all members of a population.
The term "genetic-diversity" refers to the wide variety of genes that exist in a population as a whole. The many genes that each unique plant, animal, fungus, and bacterium have constitute genetic variety.
Both inside and across species, it happens. All the variations seen within and between species populations as well as between various species make up species diversity. The notion of diversity refers to a group of people having a variety of diverse traits.
The term "genetic diversity" refers to the wide variety of genes that exist in a population as a whole. An individual genetic trait is encoded by a gene, which is a fragment of DNA found in a chromosome.
Learn more about genes Visit: brainly.com/question/26318876
#SPJ4
The dendrites are the part of the ________, where signals from neighboring neurons are received.
a) terminal buttons
b) axon
c) neuron
d) synapse
The dendrites are the part of the synapse where signals from neighboring neurons are received. option d)
A synapse is a structure in the nervous system that allows a neuron (or nerve cell) to send an electrical or chemical signal to another neuron or the target effector cell.
Synapses are necessary for the transfer of nerve impulses from one neuron to the next. Neurons are specialized in sending messages to specific target cells, and synapses are the means by which they do so. The plasma membrane of the signal-passing neuron (the presynaptic neuron) comes into close contact with the membrane of the target (postsynaptic) cell at a synapse.
Learn more about synapse
https://brainly.com/question/27381250
#SPJ4
Is AA heterozygous recessive or dominant?
AA is typically used to represent a homozygous dominant genotype, in which an individual has two copies of a dominant allele.
Heterozygous genotype, in which an individual has one copy of a dominant allele and one copy of a recessive allele, the answer would depend on the specific trait being considered.
For some traits, the dominant allele may be completely dominant over the recessive allele, meaning that even if an individual has only one copy of the dominant allele, the dominant phenotype will be expressed. In this case, the heterozygous genotype would be considered dominant.
For other traits, the dominant allele may be only partially dominant over the recessive allele, meaning that the phenotype of the heterozygous individual may be intermediate between the two homozygous genotypes. In this case, the heterozygous genotype may be considered incompletely dominant or codominant.
To know more about Heterozygous genotype here
https://brainly.com/question/1518292
#SPJ4
--The given question is incorrect, the correct question is
"Is AA heterozygous or homozygous dominant or recessive?"--
How big is the blue pit viper?
The blue pit viper is adults grow to a length of 1.2 to 1.5 meters. They can survive in captivity for up to 30 to 40 years. They live in West and Central Africa in the wild.
Blue pit vipers are aggressive predators with a "tendency towards combat over flight," according to the Australian Geographic. Its venom seldom causes death, but it is "hemorrhagic," meaning it can result in excruciating agony, swelling, and both internal and external bleeding.
Unbeknownst to you, cottonmouths are pit vipers, which means they have heat sensitivity. They are among the world's largest vipers, with adults reaching lengths of up to four feet. Cottonmouths are semi-aquatic creatures that inhabit lakes, rivers, and marshes in the Southeast of the United States.
Learn more about viper Visit: brainly.com/question/1192409
#SPJ4
what percentage of cancers come from acquired genetic mutations of the tumor suppressor gene?
Up to 5% to 20% of cancers come from acquired genetic mutations of the tumour suppressor gene.
Cancer-suppressing DNA. These traits offer protection. They typically prevent cell development by:
- observing the rate at which cells proliferate to produce new cells
- repairing faulty DNA
- regulating the time of cell death
A tumour suppressor gene mutation causes uncontrollable cell growth. Eventually, they might even develop growth. Tumour suppressor genes include p53 or TP53, BRCA1, and BRCA2.
Hereditary breast or ovarian tumours are more likely to strike women with germline abnormalities in the BRCA1 or BRCA2 genes than they are to strike men with these mutations. In both males and women, they raise the chance of melanoma and pancreatic cancer.
The p53 or TP53 gene is the one that is most frequently altered in cancer patients. Over 50% of tumours have a damaged or absent p53 gene. Most abnormalities in the p53 gene are inherited. Although germline p53 mutations are uncommon, those who have them have a greater chance of getting a wide range of cancers.
Learn more about Tumour suppressors:
https://brainly.com/question/26064247
#SPJ4
Rickettsias differ from chlamydias in that rickettsiasO require an arthropod for transmission.O are intracellular parasites.O are gram-negative.O are enterics.O form elementary bodies.
Rickettsias differ from chlamydias in that rickettsias require an arthropod for transmission.
define Rickettsias ?
Rickettsias are a group of Gram-negative bacteria that are obligate intracellular parasites, meaning they cannot survive outside of a host cell. They are named after Howard Taylor Ricketts, an American pathologist who discovered them in the early 1900s.
Rickettsias are often transmitted to humans through the bites of arthropods, such as ticks, fleas, and lice, and can cause a variety of diseases, including Rocky Mountain spotted fever, typhus, and Q fever. Rickettsias have a unique life cycle that involves both a vertebrate host and an arthropod vector.
Rickettsias differ from chlamydias in that rickettsias require an arthropod for transmission. Rickettsias are a type of bacteria that are obligate intracellular parasites, meaning they can only survive and replicate within the cells of a host organism.
They are also gram-negative bacteria, which means they have a thin peptidoglycan layer in their cell wall. Chlamydias are also obligate intracellular parasites, but they do not require an arthropod vector for transmission.
To learn more about Rickettsias follow the given link: https://brainly.com/question/30320506
#SPJ1
What organism is found in freshwater habitats and can infect a person if they inhale mist or droplets?
a. Legionella
b. Naegleria fowleri
c. Salmonella typhi
d. E. coli
The organism that is found in freshwater habitats and can infect a person if they inhale mist or droplets is (a) Legionella
What is Legionella?
Legionella is a type of bacteria that is commonly found in freshwater environments such as lakes, rivers, and streams. It can also be present in man-made water systems, including cooling towers, hot tubs, and plumbing systems.
Legionella is commonly found in natural and man-made water sources, such as lakes, rivers, cooling towers, hot tubs, and plumbing systems. The bacteria can survive and multiply in warm water environments, particularly those that are not properly maintained or cleaned.
Legionella bacteria are known to cause a type of pneumonia called Legionnaires' disease, which can be contracted by inhaling mist or small droplets of water that are contaminated with the bacteria. The disease can be severe and even life-threatening, particularly for individuals with weakened immune systems or underlying medical conditions.
Preventive measures such as proper maintenance and cleaning of water systems and regular testing for Legionella are important in preventing the spread of the disease. If a person is suspected to have contracted Legionnaires' disease, prompt medical attention is necessary for diagnosis and treatment.
Learn more about Legionella from given link
https://brainly.com/question/29894381
#SPJ1
the structural framework of nucleotide polymers consisting of sugars and phosphate groups linked by phosphodiester bonds.A. PurineB. double helixC. nitrogenous baseD. sugar phosphate backbone
The structural framework of nucleotide polymers consisting of sugars and phosphate groups linked by phosphodiester bonds is the sugar-phosphate backbone. (option D)
The sugar-phosphate backbone is a repeating structural unit that forms the basis of DNA and RNA molecules. It consists of alternating sugar and phosphate groups linked by phosphodiester bonds. The sugar component of the backbone is either deoxyribose (in DNA) or ribose (in RNA). The phosphate groups link the sugars together through phosphodiester bonds, creating a chain-like structure.
The nitrogenous bases, which include purines and pyrimidines, are attached to the sugar component of the backbone and project inward towards each other in the center of the molecule, forming the double helix shape of DNA. The sugar-phosphate backbone provides stability and structure to the DNA molecule, allowing it to store and transmit genetic information.
Learn more about Nucleotide:
https://brainly.com/question/1569358
#SPJ4
Cells can regulate their internal osmotic pressure by controlling the solute concentration inside of the cell.a. Trueb. False
The statement regarding osmotic pressure and solute concentration is true. Because by varying the concentration of solutes inside the cell, cells can control their internal osmotic pressure.
The pressure produced by the passage of water across the membrane during osmosis is known as osmotic pressure. This pressure is necessary to stop solvent molecules from passing through the semi-permeable membrane.
The osmotic pressure of a solution is dependent on the molar concentration of the solute particles in it. As a result, they are both directly proportional to one another. As the solute molar content increases, the osmotic pressure of the solution also increases. Therefore, the statement is true.
To know more about osmotic pressure:
https://brainly.com/question/29819107
#SPJ4
When several EPSPs arrive at the axon hillock from different dendritic locations, depolarizing the postsynaptic cell to threshold for an action potential, this is an example oftemporal summation.the refractory state.spatial summation.an action potential with an abnormally high peak of depolarization.tetanus.
This is an example of spatial summation. When several EPSPs arrive at the axon hillock from different dendritic locations, depolarizing the postsynaptic cell to threshold for an action potential.
Spatial summation is while gradually large numbers of number one afferent (presynaptic) neurons are activated simultaneously, till enough neurotransmitter is launched to spark off an movement capacity withinside the spinal cord (postsynaptic) neuron. Spatial summation takes place while numerous susceptible indicators from unique places are transformed right into a unmarried large one, even as temporal summation converts a speedy collection of susceptible pulses from a unmarried supply into one big signal. There are forms of summation: spatial and temporal. Spatial summation entails simultaneous indicators coming from more than one presynaptic neurons being obtained with the aid of using a unmarried postsynaptic neuron. Temporal summation entails a unmarried presynaptic neuron speedy-firing indicators to a postsynaptic neuron.
To learn more about Spatial summation check the link below-
https://brainly.com/question/29636502
#SPJ4
the soma of psuedounipolar neurons is found in the gray matter of the spinal cord. T/F
It is true that the gray matter of the spinal cord contains the soma of pseudounipolar neurons.
Where in the spinal cord can you find pseudounipolar neurons?A dorsal root ganglion houses a pseudounipolar neuron's cell body. After exiting the cell body and the ganglion of the dorsal root, the axon enters the dorsal root and divides into two branches. The central branch reaches the spinal cord's dorsal columns, where it joins with other neurons to form synapses.
Where are neurons' soma found?Image result The soma—also known as the tree trunk—is where the nucleus of the neuron is located, where the neuron's DNA is kept, and where proteins are made so that they can travel along the axon and dendrites. In both the brain and the spinal cord, there are various types of neurons.
To know more about pseudounipolar visit :-
https://brainly.com/question/7028397
#SPJ4