Answer: metamorphic rocks form when rocks are subjected to high heat, high pressure, hot mineral-rich fluids
Explanation:
Which of the following organelle is found in only plant cells?
Cell Membrane
Vacoule
Nucleus
Cell wall
Answer:
Chloroplasts
Explanation:
Chloroplasts are the food producers of the cell. The organelles are only found in plant cells and some protists such as algae. Animal cells do not have chloroplasts. Chloroplasts work to convert light energy of the Sun into sugars that can be used by cells.
WILL GIVE BRAINLY
the potsdam sandstone is of cambrian age. what must be the age of the gneiss
Answer:
Paleoproterozoic age
Explanation:
An enterotoxin targets which type of cell? A. Cardiac cells. B. Hepatic Cells C. Intestinal cells. D. Respiratory cells.
An enterotoxin targets intestinal cells. Enterotoxins are toxins produced by certain types of bacteria that specifically affect the cells lining the intestines.
Option (c) is correct.
Enterotoxin is a type of exotoxin produced by certain bacteria that affects the small intestine, causing gastroenteritis and other gastrointestinal symptoms. Enterotoxins are typically heat-stable and can withstand high temperatures, which means that they can survive cooking and other forms of food preparation.
They are usually produced by bacteria such as Staphylococcus aureus, Escherichia coli, Vibrio cholerae, and Clostridium perfringens. Causing symptoms such as diarrhea and vomiting. Examples of bacteria that produce enterotoxins include Vibrio cholerae, Escherichia coli, and Staphylococcus aureus.
Hence, the correct option is c.
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the uterine wall is composed of three tissue layers; the middle layer is called the ____.
The middle layer of the uterine wall is called the myometrium. It is a thick layer of smooth muscle that contracts during labor and helps to expel the fetus.
The myometrium is sandwiched between the innermost layer, the endometrium, and the outermost layer, the perimetrium. The myometrium is the middle layer of the uterine wall, consisting mainly of smooth muscle tissue. It is responsible for the contraction and relaxation of the uterus, which is important during menstruation, childbirth, and postpartum recovery.
During menstruation, the myometrium contracts to shed the endometrial lining and expel menstrual blood from the uterus. During pregnancy, the myometrium provides the muscular support needed for fetal growth and development. It also helps to dilate the cervix during labor and expel the fetus during delivery.
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if mules were no longer sterile but could produce offspring, then there are no other reproductive barriers to overcome.truefalse
The statement; "if mules were no longer sterile but could produce offspring, then there are no other reproductive barriers to overcome" is true.
What is sterility?Sterility is the state of being free from living microorganisms or germs that can cause infection or disease. It refers to the absence of viable microorganisms in a given environment, such as a surgical instrument, a medication, or a medical implant.
Sterility is a critical factor in many medical and industrial processes, as the presence of microorganisms can compromise the safety and efficacy of a product or procedure. Sterilization techniques, such as heat, radiation, or chemicals, are commonly used to achieve sterility in various settings.
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Mario was attempting to develop a cure for the flu. Mario gave three test subjects, all sick with the flu, massive doses of vitamin C. All three subjects recovered within a week. Mario concluded that massive doses of vitamin C will cure the flu.
Why did the scientific community deem Mario's research to be invalid?
Responses
A Vitamin C, in any amount, is harmful to humans.Vitamin C, in any amount, is harmful to humans.
B Three test subjects is not a large enough sample size.Three test subjects is not a large enough sample size.
C Trying to develop a cure for the flu should never be attempted.Trying to develop a cure for the flu should never be attempted.
D Mario must have changed the data
Choice B is correct here. Especially when experimenting with illnesses like the flu, three test subjects is not sufficient enough. Cures can change based on age, size, gender, etc. In addition, everyone's body reacts different to illness cures, meaning he needs to test more subjects before fully concluding that Vitamin C is a cure.
Question: What is the effect of day length on plant
growth?
Hypothesis: Plants will grow more when the day is
longer.
Answer: Yes
Explanation: Its the sun which is prevalent during the day because thats how photosynthesis occurs and takes place with the plant .
Which of the following projections of the spine are improved significantly with the use of a compensating filter? 1.) AP cervical 2.) AP thoracic
Option c) 2 and 3 ,(AP thoracic ,lateral cervicothoracic region (swimmer's technique).projections of the spine are improved significantly with the use of a compensating filter.
From the base of the skull to the tailbone, the bones, muscles, tendons, and other tissues. The spine protects the spinal cord and the fluid that surrounds it. Also known as the backbone, spinal column, or vertebral column.
What is the purpose of the spine?It provides structure and support to your body. It enables you to move freely and bend with flexibility. The spine is also intended to safeguard your spinal cord. The spinal cord is a nerve column that connects your brain to the rest of your body and allows you to regulate your motions.
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Full Question: Which of the following projections of the spine are improved significantly with the use of a compensating filter?
1.) AP cervical
2.) AP thoracic
3.) lateral cervicothoracic region (swimmer's technique)
a. 1 and 2
b. 1 and 3
c. 2 and 3
d. 1, 2, and 3
what is a red herring
A red herring is something that deflects attention away from a crucial or pertinent subject. It could either be a literary device or a logical mistake that misleads readers or audiences.
The red herring fallacy belongs to a large category of informal relevance fallacies. The red herring is a deceptively convincing, but ultimately pointless, diversionary tactic, in contrast to the straw man, which includes distorting the other party's stance. A red herring may be intentional or accidental; there need not be a deliberate desire to deceive, according to the Oxford English Dictionary. The phrase is mostly used to indicate that an argument has no bearing on the topic at hand. For illustration "I believe we ought to tighten up the academic standards for kids. We are in a budget dilemma and do not want our pay to be impacted, so I advise you to support this." The second sentence does not directly address that subject, yet being used to buttress the first sentence.
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what is a symbiosis mutualism?
Answer :
Symbiosis mutualism is a type of symbiotic relationship between two different species, in which both species benefit from the association.
In mutualistic symbiosis, the two species involved have a mutually beneficial relationship, where they provide each other with resources, protection, or other benefits.
For Example:
A common mutualistic relationship is between flowering plants and pollinating insects, such as bees or butterflies. The plants provide the insects with nectar and pollen as a food source, while the insects help to pollinate the flowers and ensure the continued survival of the plant species.
Which of the following events would best be described as a case of sympatric speciation?
a. An individual plant undergoes meiotic failure, producing diploid pollen and ovules; these self-fertilize, germinate, and grow into several fully fertile tetraploid plants.
b. A population of lizards is subdivided by a natural barrier and subsequently diverges to form two species that cannot interbreed.
c. A new, isolated population of fruit flies is founded by a small group of colonists, who then diverge from the ancestral source population.
d. Speciation cannot take place in sympatry, only in allopatry, where geography poses a barrier to gene flow.
Option A: An individual plant undergoes meiotic failure, producing diploid pollen and ovules; these self-fertilize, germinate, and grow into several fully fertile tetraploid plants, is best described as a case of sympatric speciation.
The most frequent way for this speciation occurrence to happen is by polyploidy, in which a child or group of children will be born with twice as many chromosomes as is typical. These offspring may have four copies of each chromosome (polyploidy), whereas a typical person has two copies of each chromosome (tetraploidy). Reproductive isolation results from a tetraploid's inability to mate with a diploid.
Sympatric speciation is a type of speciation that takes place when two populations of the same species coexist in the same geographical area but develop in distinct ways to the point where they can no longer interbreed and are thus classified as separate species.
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Damaged cells are replaced by new cells during ______?
Answer:division
Explanation:
the combining forms or terms that literally mean rib are
The combining forms or terms that literally mean" caricature" are cost/ o and pleuro- 8.
The combining word form that refers to the" chine, vertebral column, and/ or backbone" is rachi/ o- and spondyl/o. Cost/ o- Cost/ o is deduced from the Latin word" costa," which means caricature. Cost/ o is generally used in medical language to relate to the caricatures, as well as to structures or conditions related to the caricatures, similar as the costal cartilage, costochondritis( inflammation of the cartilage that connects the caricatures to the sternum), and costovertebral joints( joints between the caricatures and the chines).
Pleur/ o- Pleur/ o is deduced from the Greek word" pleura," which means caricature or side. Although it's primarily used to relate to the pleura, which is the thin membrane that lines the lungs and the casket depression, pleur/ o is also used to describe structures or conditions.
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Green anoles are lizards that can change their skin color rapidly in response to various stimuli. this adaptation is the result of:________
'Green anoles are lizards that can change their skin color rapidly in response to various stimuli. this adaptation is the result of beneficial traits passed on from parents to offspring.
What is the evolutionary process of natural selection?The evolutionary process of natural selection is a natural mechanism by which organisms show differential survival and reproduction rate and it is associated with the transference of characters across generations.
Therefore, with this data, we can see that the evolutionary process of natural selection is fundamental to reaching the transmission of hereditary features in different generations.
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complete the photosynthesis reaction by placing the compounds and energy sources into the reaction as reactants or products. one molecule will not be placed.
Reactants in the photosynthetic reaction include water, light energy, and carbon dioxide. Plants convert carbon dioxide, water, and sunshine into oxygen and sugar-based energy through a process called photosynthesis.
The term "photosynthesis" is most frequently abbreviated as 6CO₂ + 6H₂O C₆H₁₂O₆ + 6O₂.
This shows that the conversion of the reactants—six molecules of carbon dioxide and six molecules of water—into the products—a sugar molecule and six molecules of oxygen—takes place as a result of chlorophyll's absorption of light energy (implied by the arrow).
The three phases of the photosynthetic cycle are as follows: Chlorophyll absorbs light energy and splits water molecules into oxygen and hydrogen. Chemical energy is created from light energy. Carbohydrates are produced as a result of the reduction of carbon dioxide.
The following are the three stages of photosynthesis: the assimilation of sunlight The pigment's chlorophyll absorbs sunlight. water fracturing Light breaking water into two molecules of hydrogen and oxygen and converting to chemical energy.
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In the traditionally accepted model of UPR initiation, which molecule dissociates from the transmembrane receptor proteins in the ER thus activating the UPR? a) Ubiquitin b) glucosyltransferase c) BIP/Grp78 d) glucose
Molecule dissociates from the transmembrane receptor proteins in the ER thus activating the UPR is c) BIP/Grp78
In general , BIP/Grp78 is a considered as the chaperone protein that gets associated with to newly synthesized proteins inside the endoplasmic reticulum. BIP/Grp78 helps in the proper folding and minimize aggregation.
It is also known as Binding Immunoglobulin Protein (BIP) or Glucose-Regulated Protein 78 (Grp78). BIP/Grp78 comes from the family of heat shock proteins and is a member of the HSP70 family of proteins. Hence, during ER stress, BIP/Grp78 will dissociate from the transmembrane receptor proteins PERK, IRE1, and ATF6, allowing them to activate and initiate the UPR.
Hence , C is the correct option
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Erwin Chargaff determined that the number of ____ like guanine and adenine always equal the number of ____ like cytosine and thymine.
Erwin Chargaff discovered that the quantity of pyrimidines, such as cytosine and thymine, and purines, such as guanine and adenine, are always equal.
According to Chargaff's rules, DNA from every cell of any organism should have a ratio of 1:1 of purine and purine bases. More specifically, the amounts of guanine and adenine should be equal to nucleotides and thymine, respectively. This phrase alludes to the work of Columbia University biochemist Erwin Chargaff. DNA always includes equal amounts of guanine, cytosine, adenine, and thymine, according to Chargaff's analysis of the ratios of the four types of base units in the late 1940s. Moreover, there should be a 1:1 molar ratio ratio between the purine & pyrimidine bases (A+G=T+C). The nitrogenous bases adenine, thymine, cytosine, & guanine are all present in DNA. Both adenine and thymine always bind with cytosine, and vice versa. As some nucleotides are always found in pairs, their percentages in the DNA will be equal.
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which secondary metaphor has similarities with being a ‘liquid?’ mcom 2350
One secondary metaphor that has similarities with being a 'liquid' is the idea of being "fluid." When we describe something as "fluid," we are suggesting that it is flexible, adaptable, and able to move and change easily, much like a liquid.
For example, we might describe someone's communication style as "fluid" if they are able to adapt to different situations and communicate effectively with a variety of people. We might also describe a project plan as "fluid" if it is able to change and adapt as new information or challenges arise.
In both cases, the metaphor of being "fluid" suggests that the thing in question is able to move and adapt easily, just as a liquid can flow and take on different shapes.
Another secondary metaphor that is similar to being a "liquid" is the idea of being "flowing." When we describe a person or situation as "flowing," we mean that they are moving forward with a sense of momentum and ease, just as a liquid moves easily from one place to another. Being "flowing" can suggest a sense of energy, purpose, and direction, and can be used to describe people who are achieving their goals or situations that are progressing smoothly.
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Which of these groups consist of parasitic flagellated cells, such as Trypanosoma, the organism that causes sleeping sickness?a. metazoansb. kinetoplastidsc. brown algaed. ciliates5. diatoms
The family Trypanosomatidae comprises numerous parasitic beat protozoans. Two genera, Trypanosoma and Leishmania, incorporate significant microorganisms of people and homegrown creatures. The correct answer is (b) kinetoplastids.
African Trypanosomiasis, otherwise called "resting affliction", is brought about by infinitesimal parasites of the species Trypanosoma brucei. It is communicated by the tsetse fly (Glossina species), which is tracked down just in sub-Saharan Africa.
Trypanosoma is a variety of kinetoplastids (class Trypanosomatidae), a monophyletic gathering of unicellular parasitic lash protozoa. Trypanosoma is essential for the phylum Sarcomastigophora.
Human African trypanosomiasis, otherwise called a resting infection, is a vector-borne parasitic sickness. It is brought about by contamination with protozoan parasites having a place with the variety Trypanosoma.
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There are two ways in which organisms can obtain energy: oxidize reduced chemicals obtained from the environment, while harvest light energy. True or false?
There are two ways, one is by photosynthesis and another is by oxidation organism gets energy, hence the given statement is true.
What is photosynthesis?Photosynthesis is the process by which organism makes chemical compounds by using light energy. This is the main process of the autotrophs through which they make their own food.
In this process, energy is made by solar energy converted into an organic compound, that is used by plants and other organisms, that used to eat.
Therefore, oxidizing reduced chemicals obtained from the environment while harvesting light energy is the main way in which organisms can obtain energy.
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What are the 3 parts of the stomach?
Stomach has 3 parts which are Cardia, Fundus and Body.
Cardia is the anterior most part of the stomach which connects esophagus to the stomach to receive food from the esophagus. food and liquids pass through the cardia.
Fundus is present above the cardia, the fundus is a rounded section next to the cardia, it does not usually store food unless the stomach is full. the fundus stores any gas that is a byproduct of digestion.
Body is the main part of stomach where digestion occurs the body of stomach store food until it passes into the small intestine, volume of body is 50 milliliters but it can expand up to 1 liter
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The walls of capillaries contain only the _____ _____ allowing for rapid gas and nutrient exchange between the blood and tissues
The walls of capillaries contain only the endothelial layer, allowing for rapid gas and nutrient exchange between the blood and tissues.
A thin layer of cells called the endothelium layer covers the inside surface of capillary walls. Due to the thinness of this layer—just one cell—nutrients and gases can diffuse between the blood and surrounding tissues effectively. As a result, waste materials like carbon dioxide can be eliminated and nutrients and oxygen from the blood can be exchanged with the tissues. Capillaries are extremely effective at carrying out their role because of their modest size and the fact that they have just one layer of endothelial cells. Maintaining the health and functionality of tissues throughout the body depends on the endothelium layer's capacity to promote gas and nutrient exchange.
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the liquid inside the stomach is said to be acidic. what does that mean? select all that apply
The liquid inside the stomach is said to be acidic it means that the pH of liquid inside the stomach is below 7 and many other things like
The liquid has a pH that is lower than 7 on the pH scale.
The stomach secretes hydrochloric acid (HCl) to aid in food digestion and eliminate dangerous microorganisms.
The stomach's acidity aids in the activation of digestive enzymes and facilitates the absorption of some nutrients.
Sometimes the stomach's acidity can result in discomfort or irritability, such as heartburn or indigestion.
In conclusion, the term "acidic" refers to the stomach's liquid contents having a pH below 7 and the stomach's production of hydrochloric acid, which aids in digestion.
Gastric juice is the liquid inside your stomach. It is a complex mixture of several chemicals, not just acid and enzymes. Examine the molecules, the cells that produce them, and the functions of the various components like Water , Mucous ,Hydrochloric Acid, Pepsinogen Hormones and Electrolytes, Gastric Lipase, Intrinsic Factor, and Amylase.
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which reaction is not a reduction–oxidation reaction?
Answer:
Explanation:
The reaction that does not involve reduction-oxidation (redox) reactions is:
2H2O(l) → 2H2(g) + O2(g)
This is a decomposition reaction in which water (H2O) is broken down into its component elements, hydrogen (H2) and oxygen (O2). This reaction does not involve the transfer of electrons, which is a key characteristic of redox reactions.
Redox reactions are chemical reactions that involve the transfer of electrons between reactants, resulting in the oxidation of one species and the reduction of another. In these reactions, one reactant loses electrons (undergoes oxidation) while another reactant gains electrons (undergoes reduction).
Examples of redox reactions include the combustion of fuels, such as the burning of wood or coal, and the reactions that occur during photosynthesis and cellular respiration.
what evidence do you have that the phenotypes you are investigating are actually being inherited? could they simply be the result of the environmental effects?
The evidence that the phenotypes we can investigate are actually being inherited is the transmission of the same features across generations, which may be contrasted to environmental effects when the environment directly changes the phenotype.
What are the genetic and environmental relationships in a phenotype?The expression of genetic and environmental relationships in a phenotype makes reference to how a feature in the organism can be affected by genes 9genetic material) or the enviroment.
Therefore, with this data, we can see that genetic and environmental relationships shape the phenotypes but it can be investigated by placing organisms in different environments.
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how does conditioning help an animal survive and reproduce?
An animal responds to cues that assist it find food, avoid threats, find mates, and find offspring in order to survive and reproduce.
The foundation of animal training is operant conditioning. The animal learns (or is conditioned) through its behaviours because it acts (operates) just on environment in this sort of learning. According to operant conditioning, the subsequent consequences might either raise or decrease the chance of a behaviour. This provided more support for the hypothesis that classical conditioning can aid in species survival by teaching organisms to avoid stimuli that actually endanger their health and welfare. Your dog eventually learns to connect the signal with occasion. Body conditioning creates a healthy, solid physique as well as boosts flexibility and endurance.
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proteins that function in the mitochondria are made by
Nuclear genes encode approximately 99% of mitochondrial proteins, including prokaryotic genes that were transferred to the nucleus as well as genes coding for novel mitochondrial proteins created by eukaryotic cells.
The overwhelming majority of mitochondrial proteins are now produced in the cytoplasm and imported into the organelle by a complex network of protein translocases. The mitochondrial rRNAs are encoded by mt DNA, whereas the nuclear genome encodes ribosomal proteins, which are made on cytoplasmic ribosomes and then imported into the mitochondria.
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Primary consumers are members of an ecosystem that only eat producers (plants). They are also known as herbivores (plant eaters). Which organisms in the Desert Biome Food Web below are primary consumers? (MARK ALL THAT APPLY)
(4 points)
Choices:
grass
kangaroo rat
rabbit
hawk
star cactus
cactus
Answer: Kangaroo rat and rabbit
Explanation:
Kangaroo rats and rabbits are primary consumers in the desert biome. Therefore, options C and D are correct.
What are primary consumers?An organism that consumes primary producers is referred to as a primary consumer. Animals that eat plants, and herbivores are frequently the main consumers. Because they must consume other things in order to thrive, they are known as heterotrophs.
Animals that only eat plant stuff are considered primary consumers. They are herbivores, like cows, sheep, deer, and caterpillars.
Kangaroo rats and rabbits are primary consumers in the desert biome. Therefore, options C and D are correct.
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what layer of the blood vessel wall is composed of endothelium and a subendothelial layer of areolar connective tissue?
The layer called the tunica intima consists of a layer of endothelial cells lining the lumen of the vessel, as well as a subendothelial layer composed mostly of loose connective tissue.
What is Tunica intima?The tunica intima is defined as the innermost layer of a vein that consists of flat epithelial cells through which fluid flows smoothly and is surrounded by valves that ensure that the flow continues in one direction. This continuous layer of epithelial cells holds the cells and fluid within the lumen of the vessel.
The tunica intima consists of a layer of endothelial cells which lines the lumen of the vessel, as well as a subendothelial layer that is made up of mostly loose connective tissue.
Thus, tunica intima layer of the blood vessel wall is composed of endothelium and a subendothelial layer of areolar connective tissue.
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HELP PLEASE: Which of the following would be considered a theory?
A. Animal research is more effective in labs that are outdoors
B. The universe was created from a single massive explosion
C. Nuclear energy should be widely used to produce energy
D. A cold front will arrive in 6 hours and result in heavy rain
Answer:
B. The universe was created from a single massive explosion
Explanation:
That is actually the Big Bang Theory
Answer:
B
Explanation: b is the only answer there that could be considered as a theory