It is the study of how scarce resources are allocated.
Explain how the history of the development of the cell theory is related to the scientific process?.
The invention of the microscope made it easier for Hooke to find the cell. By researching cork, Hooke noticed formations that resembled monastic cells or flats and named them "cells" because of their box-like shape.
This discovery gave rise to the classical cell hypothesis. The classical cell theory was put forth by Theodor Schwann in 1839. There are three elements to this hypothesis. According to the first section, cells make up all living things. Cells are, according to the second section, the fundamental constituents of life. In 1858, Rudolf Virchow used the phrase "omnis cellula e cellula" to refer to the third part of his theory, which holds that new cells develop from previously existing ones that have multiplied (all cells come from cells).
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Why do fungi have a gap between cytoplasm and nuclear fusion?
Fungi have a gap between cytoplasm and nuclear fusion to prevent genetic conflicts between nuclei from different mating types.
How do fungi use the gap between cytoplasm and nuclear fusion to regulate gene expression?Fungi use the gap between cytoplasm and nuclear fusion to regulate gene expression by allowing different nuclei to control the expression of different sets of genes, leading to functional differentiation and specialization within the organism.
How does the gap between cytoplasm and nuclear fusion affect the ability of fungi to adapt to changing environments?The gap between cytoplasm and nuclear fusion in fungi allows for the rapid adaptation to changing environments by promoting genetic diversity through the exchange of nuclei between individuals or through the formation of hybrid individuals with novel genetic combinations. This increases the likelihood that at least some individuals will be well-suited to survive and thrive in the new environment.
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A structure that develops within the reproductive leaves of a seed plant and contains the female gametophyte is called
Answer:
The structure that develops within the reproductive leaves of a seed plant and contains the female gametophyte is called the ovule.
Explanation:
The ovule is the precursor to the seed, and it contains the female reproductive cells of the plant, including the egg cell.
After fertilization, the ovule develops into a seed, which contains an embryo and a food source for the developing plant.
The ovule is an important part of the reproductive system of seed plants, including gymnosperms and angiosperms.
Theories change as new information becomes available. Which actions are most likely to lead to the discovery of new information?.
The actions that will lead to the discovery of new information are: (3) repeating an experiment using the latest technology; (4) developing a new experimental method to test an existing hypothesis.
Discovery is defined as the process of finding something new that did not exist before. It can be the discover of some phenomena, mechanisms, cures, technologies, theories, etc. New patterns and correlations are e stablished to discover something.
Experimental method is the process of conducting research in well thought and designed conditions in order to obtain some result which may be helpful in proving or disproving some hypothesis. These methods very often lead to the discovery of something new.
The given question is incomplete, the complete question is:
Theories change as new information becomes available. Which actions are most likely to lead to the discovery of new information? Check all that apply.
repeating experiments using the same experimental method each timerepeating experiments using the technology available at the time of the original experimentrepeating an experiment using the latest technologydeveloping a new experimental method to test an existing hypothesisTo know more about experimental methods, here
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lthough alveolata possess traits shared by other protista groups, for example, blank such as in amoebozoa, blank such as in algae, or blank such as in stramenopila, they have a distinct trait that distinguishes them from others: blank, called alveoli. the presence of blank traits supports the claim that protist diversity is the result of a series of morphological innovations.
Although alveolaa postsess traits shared by other protista groups, such as membrane-bound organelles such as in amoebozoa, photosynthetic pigments such as in algae.
What is alveolaa ?Alveoli are tiny air sacs in the lungs that are responsible for facilitating the exchange of oxygen and carbon dioxide. They are the smallest and most numerous parts of the respiratory system. Alveoli are found within each lobe of the lungs, and are surrounded by a capillary network. When we inhale air, the air travels through the trachea and bronchi, before entering the alveoli.
The presence of such unique traits supports the claim that protist diversity is the result of a series of morphological innovations. Over time, new traits were acquired or modified from pre-existing ones, allowing organisms to adapt to their environment and diversify into new forms.
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What do these images model?
Ο Α. atoms
B. compounds
O. C. elements
O:D. mixtures
Reset
Next
Answer:
The answer would be D: Mixtures
Answer:
B
Explanation:
a) Atoms are singular
b) Additional different atoms that are chemically combined
c)elements a singular atoms with a chemical name. e.g hydrogen
d)Mixtures are elements physical combined
which of the following substances cannot prevent coagulation when directly added to a blood sample (i.e., in a test tube)?
Red blood cells (RBCs) cannot prevent coagulation when directly added to a blood sample. In fact, RBCs are involved in the process of coagulation as they release substances that promote clotting.
Other substances such as heparin and citrate can prevent coagulation when added to a blood sample.
Ammonia is created in the haber process in a rigid container (nitrogen gas plus hydrogen gas react to form ammonia gas). 2 moles of hydrogen gas are mixed with 4 moles of nitrogen gas. The initial pressure exerted on the container is 5 atm. Assuming the reaction runs to completion, what will the pressure (in atm) on the vessel be after the reaction takes place?.
The container's interior will have a final pressure of 5 atm.
The pressure of the gas is directly proportional to the quantity of gas present, according to the universal gas equation.
Alternatively, P is related to n.
Here, the reaction's equation is 2N2 + 3H2 = 2 NH3.
As a result, 3 moles of hydrogen gas and 2 moles of nitrogen gas react.
As a result, 7.5 moles of hydrogen gas and 5 moles of nitrogen gas react.
Because it is equal to the moles of nitrogen gas used, the amount of ammonia gas produced is 5 moles.
Moles = 2.5 moles of hydrogen gas remain in the container.
Hence, there were 15 moles of gas in total when the container first opened.
Finally, there are 7.5 moles of gas total in the container.
Now p1/n1=p2/n2
The final pressure is equal to 5 atm
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The impact of cloning may currently be seen in which industry?
A Grief therapy
BAgriculture
COrgan transplants
Answer: These include
1) an increase in birth size
2) variety of defects in vital organs
3) such as the liver, brain, and heart.
Explanation:
elect features of protists in the supergroup excavata. multiple select question. they move using flagella. many possess a feeding groove. they are all photosynthetic. some have lost their nucleus.
The features of subgroup Excavata include presence of flagella, and also a feeding groove. Thus, the correct options are A and B.
What are Protists?A protist is any eukaryotic organism which is not an animal, plant, or fungus. While, it is most likely that the protists share a common ancestor, the exclusion of other eukaryotic organisms means that the protists do not form a natural group, or clade.
Excavata are a supergroup of protists which are defined by an asymmetrical appearance within a feeding groove which is excavated from one side and it includes various types of organisms which are usually parasitic, photosynthetic and heterotrophic predators. The organisms of excavata group has a mitochondria and a well-defined nucleus.
Therefore, the correct options are A and B.
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what is environmental scanning?
Answer: Environmental scanning is about understanding the world and context in which you operate. It is a process for monitoring your internal and external environment for clues to existing circumstances and change that could bring about risk or opportunities.
true/false. peristalsis is repeated waves of contractions of circular muscles which prevent food from moving backward in the esophagus, but segmentation in the small and large intestines shifts food back and forth along the intestinal walls.
Peristalsis is repeated waves of contractions of circular muscles which prevent food from moving backward in the esophagus, but segmentation in the small and large intestines shifts food back and forth along the intestinal walls. It is true
What is peristalsis?
Peristalsis is a series of wave-like muscle contractions that move food through the digestive tract. The contractions are involuntary and help to push food forward in one direction. Peristalsis occurs in various parts of the digestive system, including the esophagus, stomach, and intestines. It is an important process in digestion and helps to ensure that food is properly broken down and absorbed by the body.To know more about peristalsis, click the link given below:
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Is catalase an anabolic enzyme or a catabolic enzyme? How do you know?
Catalase is a catabolic enzyme. It is responsible for breaking down hydrogen peroxide into water and oxygen, which is a process that releases energy. Catabolic reactions break down complex molecules into simpler ones and release energy, whereas anabolic reactions build complex molecules from simpler ones and require energy input. Since catalase is breaking down a molecule, it is considered a catabolic enzyme.
put the following in order from smallest to largest, gene,cell,chromosome,DNA
Answer:
gene, DNA; chromosome, cell
Explanation:
DNA is a macromolecule, a gene is a sequence of DNA monomers(nucleotides), the chromosome is a large structure made of highly condensed DNA material around proteins(histones) and the cell contains everything listed and much more.
Ecotherms change their temperature by modifying their behavior True or false
HELPPPPPPPPPPPPPPPPP
Compass Rose - Okay, so this is a true yes. It literally tells you which direction is North, East, South, and West. You can always remember this by the phrase of Never Eat Soggy Waffles.
Legend - Okay, so this is a no. Legends tell you about specific symbols located on a map, not direction.
Latitude and Longitude Lines - No. So, these lines refer to a coordinate point on the world map, this does not indicate direction. These lines are helpful for if someone gave you a coordinate point to look for.
Arrow pointing north - Yes, this can indicate a direction, especially since it points North.
Answer:
A and D
Explanation:
Only Compass Nose and Arrow pointing North
Cross a heterozygous parent with a homozygous dominant parent. What is the genotypic ratio? What is the phenotypic ratio?
Answer: genotype, 2:1, phenotype, 9:3:3:1
Explanation:
How does the presence of lactose affect the lac operon system in E. coli?
a. Lactose binds to RNA polymerase, activating it to begin transcription.
b. Lactose binds to the repressor, changing its shape so that it cannot block transcription.
c. Lactose triggers the expression of other proteins that break down repressors to start transcription.
d. Lactose breaks down repressor proteins so that transcription can begin.
Lactose binds to RNA polymerase, activating it to begin transcription. So, the correct option is A.
What is Lac operon?The lactose operon is defined as a type of operon that is essential for the transport and metabolism of lactose in E. coli and many other enteric bacteria. The lactose operon of E. coli is a classic example of an operon that is used when discussing prokaryotic regulation.
When lactose is present, the lac repressor loses its DNA-binding ability which clears the way for RNA polymerase to bind the promoter and transcribe the lac operon.
Therefore, the correct option is A.
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Answer: lactose binds to the repressor, changing it's shape so that it cannot block transcription .
Explanation: i took the test and put the answer that the person above gave me and it was wrong !
What is the best malaria parasite population resistance on amplify?!?!
The best malaria parasite population resistance on amplify is drug-resistance mutations.
What is malaria parasite population?
Malaria parasite population refers to the total number of malaria parasites present in a given region. Malaria is a serious and potentially life-threatening disease caused by a parasite that is transmitted through the bite of an infected mosquito. Malaria parasites reproduce rapidly in the human body and can quickly spread from person to person. The number of malaria parasites in a given region can vary greatly depending on the climate, season, and other factors.
Drug-resistance mutations enable the parasite to survive treatment with antimalarial drugs, while gene amplification increases the expression of genes that promote drug resistance. This combination of mutations and gene amplification gives the parasite the ability to survive in the presence of antimalarial drugs and effectively resist treatment.
Therefore, drug-resistance mutations is the answer.
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True or false: If false, please make it a correct statement.
The lysosome is the site of synthesis of various large biological molecules.
False. The lysosome is the site of synthesis of various large biological molecules.
Why is the above statement false?The creation of a number of major biological compounds does not take place in the lysosome. Instead, it is an organelle that may degrade and recycle a variety of macromolecules, including proteins, nucleic acids, lipids, and carbohydrates. It is a component of animal cells. Proton pumps that actively transport hydrogen ions into the lysosome maintain the acidic environment necessary for these enzymes to function at their best. Although the lysosome does not participate in the production of new molecules, it is essential for maintaining cellular homeostasis and reducing the buildup of waste products since it breaks down and recycles molecules.
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Which of the following characteristics is common to all three biopolymers (carbohydrates, proteins and nucleic acids)? They are all synthesized based on a template. For every]monomer which is added to a growing polymer chain, the condensation of a water molecule is required. They all have two distinct ends giving them directionality. They all may contain branches.
The characteristics that is common to all three biopolymers (carbohydrates, proteins and nucleic acids) IOS :
For every monomer which is added to a growing polymer chain, the condensation of a water molecule is required.Option B is correct.
What are biopolymers?Biopolymers are described as natural polymers produced by the cells of living organisms.
The process of joining monomers by the elimination of water molecules is known as dehydration synthesis or condensation reaction.
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Organic and inorganic Classify the following characteristics and examples of molecules depending on whether they are organic or inorganic Carbohydrates, lipids, proteins, and nucleic acids Contained in living organisms Sometimes contain carbon but do not contain C-H bonds Molecules made of a combination of elements Molecules that contain carbon and hydrogen bonds Water and table salts
Answer:
carbohydrates, lipids, proteins, and nucleic acids)
Explanation:
i looked it up
you purchase a carton of certified organic eggs. which of the following is guaranteed by that label?
No antibiotics were administered to the hens. This is guaranteed by the label on a carton of certified organic egg.
Certification No added antibiotics, antibiotic-free production, and antibiotic-free upbringingYour best bet at the store is to purchase eggs that are both USDA Organic and bear one of two animal welfare-related seals, either Animal Welfare Approved or Certified. Our food system's use of humane antibiotics poses a serious threat to the health of both people and the environment. In your chicken or eggs, you don't want them. In theory, the Government does demand that manufacturers who use this word on egg cartons present proof that their chickens were grown without antibiotics. Unlike an organic certification, it does not have a well-developed system of checks and balances.For more information on animal husbandry kindly visit to
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Complete question : How to Read Food Labels, From Free-Range to Fair Trade (NPR, 3/10/2020)
You purchase a carton of certified organic eggs. Which of the following is guaranteed by that label?
14.Base of heart is related to :
a. Diaphragm
b. Fundus of stomach
c. Left lobe of liver
d. Oesophagus
e. Phrenic nerve
The correct answer is
A.Diaphragm
Microorganisms are given names that describe the environments in which they live. Match each bacterial name to the correct environmental parameter.
Alkaliphiles grow above pH 9, halophiles grow in high salinity environments, and barophiles grow under high pressure.
What are microbes and what do they do?
Everywhere in the ecosystem, microorganisms play a crucial part in a variety of natural processes. Among other things, they run the fundamental drug cycles required for the plants to get the nutrients they need from the reaction of organic matter in the earth.
Alkaliphiles are bacteria that can thrive in settings with a high pH (> 9) level. It is possible to distinguish between two distinct physiological groups: true alkaliphiles, which require pH 9 for optimum growth, and haloalkaliphiles, which flourish at both pH higher than 9 and high salinity. While barophile microbes can endure high pressures, they can also thrive in less extreme conditions.
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how do cells in a meristem differ from cells in other types of plant tissue? see concept 35.2 (page)
Answer:sqwaaa
Explanation:sqwwwaa
Does anyone know how to do this? Pls help
Punnett squares are used to get probabilities of getting the genotypes and phenotypes of the offspring of a cross. Parentals) Rr x rr. 1) 0% of the progeny is expected to be pure round. 2) 50% of the progeny is expected to be hybrid. 3) 50% of the progeny is expected to be pure wrinkled. 4) 50% of the progeny is expected to be round. 5) 50% of the progeny is expected to be wrinkled.
What is a Punnett square?The Punnett square is a graphic representation that shows the different types of gamete combinations according to the alleles involved in a cross.
Punnett square shows the probabilities of getting offspring with different genotypes and their consequent phenotypes.
Now we need to cross a hybrid round plant with a pure wrinkled plant. Remember that hybrid means heterozygous.
We know that the gene that codes for this trait is a diallelic gene,
R codes for round r codes for wrinkledParentals) Rr x rr
Gametes) R r r r
Punnett square) R r
r Rr rr
r Rr rr
F1) Genotype
1/2 = 50% of the progeny is expected to be heterozygous, Rr
1/2 = 50% of the progeny is expected to be homozygous recessive, rr
Phenotype
1/2 = 50% of the progeny is expected to have round seeds
1/2 = 50% of the progeny is expected to have wrinkled seeds
1) 0% of the progeny is expected to be pure round
2) 50% of the progeny is expected to be hybrid
3) 50% of the progeny is expected to be pure wrinkled
4) 50% of the progeny is expected to be round
5) 50% of the progeny is expected to be wrinkled
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Choose the correct statement:
a. Populations that follow all assumptions of Hardy-Weinberg Equilibrium (HWE) evolve faster than those that violate at least one assumption of HWE.
b. Populations that follow all assumptions of HWE evolve slower than those that violate at least one assumption of HWE.
c. Populations that do not violate HWE assumptions cannot evolve.
d. Populations that violate HWE assumptions cannot evolve.
Populations that do not defy HWE presumptions are incapable of evolving. According to the Hardy-Weinberg equilibrium, a population's genetic diversity will not change over time.
Why Hardy-Weinberg equilibrium exists:The Hardy-Weinberg Equilibrium (HWE), which states that "in the absence of external disturbance, genotype frequencies in a population maintain constant between generations," is a fundamental concept of population genetics.
What are the Hardy-Weinberg equilibrium's five guiding principles?A population is not evolving and allele frequencies do not change over time when it enters Hardy-Weinberg equilibrium for a gene. There are no mutations, random mating, no gene flow, an unlimited population size, and no selection, according to the five fundamental Hardy-Weinberg hypothesis.
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When using punnett squares to determine the patterns of inheritance of an organism, the phenotype of an individual is determined by his or her.
An individual's phenotype is determined by his or her genotypes when utilizing Punnett squares to analyze the inheritance patterns of an organism.
A Punnett square is a tabular representation of the genotypes of a generation produced by crossing its parents' genotypes. The number of genotypes produced depends upon the gametes produced from the gametes. If it's a monohybrid cross, there would be four gametes possible in total, while in that of a dihybrid cross, the gametes would be 8.
We can determine the phenotype of an organism by knowing its genotypes. If it's homozygous, the phenotype may be recessive or dominant such as tallness in pea plants. Whereas, if the genotype is heterozygous, the phenotype would be dominant in most cases.
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Write a 3 paragraph (4-5 sentences per paragraph) “persuasive essay” to convince your reader
that Rosalind Franklin was absolutely robbed of the Nobel Prize
Rosalind Franklin was an important and influential scientist who made significant contributions to the field of molecular biology.
The idea that she was "robbed" of the Nobel Prize is not entirely true. Her work on X-ray crystallography helped determine the structure of DNA, but was not the only factor in her discovery. Up to three Nobel Prizes have been awarded to James Watson, Francis Crick and Maurice Wilkins for their contributions to the discovery of the structure of DNA.
It's important to recognize that the scientific community is collaborative and no one person can be responsible for discoveries. Franklin's work was certainly worthwhile, but she wasn't the only scientist working on the problem. Watson, Crick, and Wilkins all made important contributions to the discovery of DNA structure. Furthermore, Franklin's premature death in 1958 prevented her from winning the Nobel Prize, even if she did.
Ultimately, although Franklin's contribution to the discovery of her DNA structure was significant, it would be inaccurate to say that she was "robbed" of the Nobel Prize. She said the prize was given to the scientist who led to her discovery, but unfortunately Franklin didn't live to win the prize, even though she did. It is important to recognize the contributions of all the scientists involved in the discovery, rather than just evaluating one scientist.
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