Answer:
The condition is called EPISTASIS.
Explanation:
Epistasis is said to occur when two or more distinct genes contribute non-additively to the same phenotype. This occurs because one of the genes involve dominate or modify the other gene. There are various examples of genetic epistasis in nature. For instance, in a particular dog specie (Labrador) two genes control the color of the specie giving rise to three different coat colours in the dogs.
Epistasis is a condition where the effect of one gene pair suppresses or masks the expression of another nonallelic gene pair. This is different from dominance which is a relationship between two alleles of the same gene. Epistasis can be showcased in an example where the albinism gene in mammals masks the gene for black and brown color.
Explanation:The condition in which one gene pair hides or masks the expression of a nonallelic gene pair is called Epistasis. This is an important concept in genetics, and is often contrasted with dominance, another gene interaction. While dominance is a relationship between two versions (alleles) of the same gene, epistasis occurs when the effects of one gene's alleles hide the effects of a different gene's alleles. For example, a gene for albinism could be epistatic to the gene that codes for the black and brown color in mammals. Even if the gene for color codes for brown, if the first gene codes for albinism, the mammal will be albino.
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An organism that must get its energy from consuming other organisms is called __________
An organism that must get its energy from consuming other organisms is called a "heterotroph."
p2 + 2pq + q2 = 1
In the Hardy Weinberg formula, what algebraic term is used to find the number of HETEROZYGOUS individuals in a population?
The algebraic term in the Hardy-Weinberg formula used to find the number of heterozygous individuals is 2pq, representing the frequency of the heterozygous genotype in a population.
In the context of the Hardy-Weinberg formula (p2 + 2pq + q2 = 1), the algebraic term used to find the number of heterozygous individuals in a population is 2pq.
This term represents the frequency of the heterozygous genotype in a population. If p is the frequency of the dominant allele and q is the frequency of the recessive allele, and these allele frequencies sum to 1 (p+q=1), then 2pq quantifies the expected proportion of individuals carrying one copy of each allele, known as heterozygotes.
For example, if p = 0.4 and q = 0.6, then the expected frequency of heterozygous individuals would be calculated as 2pq, which equals 2(0.4)(0.6) = 0.48 or 48% of the population.
Which of the following processes can result in a new island population with a limited gene pool?A. artificial selectionB. gene poolC. founder effectD. bottleneck effect
The answer is C founder effect.
A red flowered pea crossed with a white flowered pea produces all red flowered offspring. If two of the F1 pea plants were crossed, their offspring would most likely be ...................... A) 3 red : 1 white B) 2 red : 2 white C) 3 white : 1 red D) All white E) All red
Answer:2 red
Explanation:
____ hormones produce detrimental and undesirable side effects (even more so in women) such as hypertension, fluid retention, decreased breast size, and a deepening of the voice.
Answer:
Corticoid harmones.
Explanation :
Corticoid harmones are
Cortisol
Aldesteron
Sex Corticoid
Answer:
Human growth hormone.
Explanation:
Human growth hormone is released by anterior pituitary gland. This hormone regulates body composition, fat metabolism, growth and development of an organism.
Deficiency or excessive production of human growth hormone can cause undesirable and detrimental side effects in both men and women. The unbalance amount of human growth hormone can cause fluid retention, deepening of voice, decreased breast size, hyper tension and heart related problems.
Thus, the hormone is human growth hormone.
what are the products of photosynthesis ?
Answer:
The main product of photosynthesis is glucose
Hope that helped and also I will change my profile to have something different than the sonic movie because ugh it's weird
There are several small products of photosynthesis but the main product is glucose
another main product is oxygen as well
((sorry for copying stuff before))
How many daughter cells are created at the end of meiosis 1?
Two daughter cells are created
At the end of meiosis 1, two haploid daughter cells are created from the parental cell. Each of these then undergoes a second round of cell division, resulting in the formation of four haploid daughter cells in total.
Explanation:The process of meiosis involves two rounds of cell division and results in the production of four daughter cells. At the end of meiosis 1, two haploid daughter cells are created from a parental cell following the separation of homologous chromosomes. Each of these daughter cells then undergoes meiosis II, resulting in the formation of four haploid daughter cells altogether.
In meiosis II, the sister chromatids within the two daughter cells separate, forming four new haploid gametes. These gametes each contain just half of the original genetic material from the parental cell. Therefore, while the end cells remain diploid at the end of meiosis I, they are haploid by the end of meiosis II.
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If you were trying to increase the metabolism of a recipient cell, what type of hormone would best help you achieve this?
Answer:
thyroxine- This hormone can increase the basal metabolic rate
triiodothyronine- It affects almost every physiological process in the body, including growth and development, metabolism, body temperature, and heart rate.
Explanation:
1. the sac-like structures of the sac fungi that carry its spores asci 2. a fertile hypha that bears spores (in molds) saprophyte 3. organisms that lack flowers, leaves, or chlorophyll and derive nourishment from dead or living organic matter hyphae 4. to sprout and grow from a seed or spore; often from a stage of dormancy mycelium 5. thread-like filaments of the molds germinate 6. a mass of hyphae conidiophore 7. an organism that lives on decaying organic matter; e.g., mushrooms, molds, mildew, rusts, and smuts fungi 8. a sac-like structure that holds the spores sporangium
Answer: The correct matches of the given statements are given below:
1. ASCI: The sac-like structures of the sac fungi that carry its spores.Asci refers to a sac like structure that is often produce by the fungi that belong to the phyllum Ascomycota. There are usually great differences among asci in term of shapes, sizes and colours. Spores are usually formed in these sacs.
2. CONIDIOPHORE: A fertile hypha that bears spores (in molds).Conidiophore refers to fungal hypha that give rise to conidia. Conidia may be branched or unbranched. Their major function is to give rise to hypa that produce spores in fungi.
3. FUNGI: Organisms that lack flowers, leaves, or chlorophyll and derive nourishment from dead or living organic matter.Fungi are generally classified as saprophytes, this is because they feed on dead or living organic matter. They depend on other organisms for their nourishment because they lack chlorophyll, which they can use to produce their own food.
4. GERMINATE: To sprout and grow from a seed or spore; often from a stage of dormancy.A plant is said to germinate when new plants sprouts from a seed or from a dormant plant. Seeds and spores typically grow and develop into new plants via the process of germination. Germination time often differ from plants to plants.
5. HYPHAE: Thread-like filaments of the molds.A hypha refers to the long, branched filaments that is found in all fungi. They usually vary in structures and perform different functions in different species of fungi. Most fungi use hypha as their mean of vegetative reproduction.
6. MYCELIUM: A mass of hyphae.A network of hypha that grow together is referred to as mycelium. It is usually found on top of the soil. Mycellium usually grow out of the body of fungi and extend in all direction in a bid to search for water and nutrients for the fungi.
7. SAPROPHYTE: An organism that lives on decaying organic matter; e.g., mushrooms, molds, mildew, rusts, and smuts.Saprophytes refers to organisms that use decaying organic matter as their source of nourishment. Fungi are good examples of saprophytes. Saprophytes help in decomposing organic matters and making them available in the forms that plants can use, thus contributing to soil fertility.
8. SPORANGIUM: A sac-like structure that holds the spores.Sporangium is a sac like structure in which reproductive spores are manufactured and stored. Spores usually germinate and form new fungi when the conditions are favourable.
hope this helps! might need to zoom in a little.
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Some photosynthetic organisms contain chloroplasts that lack photosystem II, yet are able to survive. The best way to detect the lack of photosystem II in these organisms would be Some photosynthetic organisms contain chloroplasts that lack photosystem II, yet are able to survive. The best way to detect the lack of photosystem II in these organisms would be to test for liberation of O2 in the light. to determine if they have thylakoids in the chloroplasts. to test for CO2 fixation in the dark. to the action spectrum for photosynthesis.
Answer:
to test for liberation of O2 in the light
Explanation:
Photosystem II is protein complex located in the thylakoid membrane of plants with the major role in light-dependent reactions of photosynthesis. Photons of sunlight are absorbed by photosystem II and electrons within the system consequently become excited (pass through the cofactors). Electrons are replaced by water and hydrogen ions and molecular oxygen are formed.
Photosystem II plays a role in photosynthesis by splitting water and releasing oxygen. Therefore, to detect the absence of it in photosynthetic organisms, you would test for the absence of oxygen. However, even without photosystem II, some organisms can photosynthesize using alternative systems.
Explanation:Photosystem II is a part of the light-dependent reactions in photosynthesis and is primarily responsible for the splitting of water, releasing oxygen as a byproduct. Thus, the best way to detect the absence of photosystem II in a photosynthetic organism would be to test for the liberation or absence of oxygen (O2) in the light. If no oxygen is being released, it's likely that photosystem II is absent.
However, this doesn't necessarily mean that these organisms cannot survive. Not all photosynthetic organisms have the standard photosystem II. Some photosynthetic organisms, like certain types of bacteria and green sulfur bacteria, use different photosystems or alternative pathways to photosynthesize. They ensure the absorption of light energy, and the subsequent photochemical reactions happen differently, with the ability to operate without the need for oxygen evolution.
In conclusion, despite lacking photosystem II, these organisms have evolved alternative techniques for performing photosynthesis. They use the absorption of sunlight by alternative photosynthetic pigments, the photochemical conversion of light energy into chemical energy, and fixation of carbon into organic compounds, to survive.
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1) Which theory states that all living things are composed of cells?A) cell theoryB) Hooke's ruleC) evolutionary theoryD) Mendel's law
Answer:
A) cell theory
Explanation:
Cell theory is widely accepted theory that exclaims that all living things are composed of basic units-cells. Living organisms might be composed of one cell-unicellular organisms or more than one-multicellular organisms.
There is only one exception-viruses. Viruses are non-cellular entities but they are considered as living forms.
Robert Hooke is responsible for the creation of this theory.
Which drug can produce mild impairments in memory and must be closely monitored because of its potentially toxic effects?
Answer:
A)
Explanation:
Suppose that a genetic alteration resulted in the synthesis of cyclin-dependent kinases that no longer provided the "go" signal at the cellular checkpoint. predict the immediate outcome if this alters the normal cell life-cycle processes at the m checkpoint.
Answer:
The cyclin-dependent kinase will not signal for starting mitotic division.
Explanation:
The function of Cyclin-dependent kinase is to begin the mitotic division of cells. The distribution of equal chromosomes will be altered that would result in altered chromosome numbers in the progeny, or if the division is stopped then there would be reduction in the number of healthy cells as compared to damaged cells.
Scientists are using genetic engineering to develop a wheat crop that is resistant to a particular kind of moth. How would they determine if the plants are moth-resistant?
Answer:
Moth populations should be monitored in both, normal wheat and engineered wheat
Explanation:
Genetically engineered wheat crop means that the genome of the wheat is being manipulated by the techniques of biotechnology. Gene for the resistance to moths is introduced into wheat in order for plant to become protected. Determination of resistance should be performed via monitoring of control group (normal wheat, not resistance to moth) and engineered wheat (potentially resistant) and their comparation. Moth population should be decreased in the resistance plants.
Answer and Explanation: The best way to determine whether the plants are moth resistant is to conduct a controlled experiment testing their resistance to the moths.
Regarding experimental design, the independent variable (variable being manipulated by the scientists to determine whether it has an effect) would be the genome of the wheat crop. Therefore, the scientists should have a control group that is made up of wheat that has not been genetically modified and an experimental group made up of wheat that has been genetically modified to be moth-resistant.
The dependent variable (variable that is being collected and measured) should be something that can document the health and growth of the plant, such as average plant height or average crop yield. The two groups of wheat should be grown in separate locations that have the same environment and both groups should be exposed to equal moth populations. All other environmental conditions should be the same in order to ensure that there are no confounding variables.
After a finite amount of time has passed, the scientists should conduct a variety of measurements on the growth, height, yield, and other aspects of the two wheat groups. After comparing the two groups, the scientists can then determine whether the moth-resistant genome of the experimental group was actually effective in making that group moth-resistant.
In which location would the rate of soil erosion most likely be higher than the rate of soil formation?
The question is incomplete, options are given below:
A. A tropical area with moderate rainfall
B. A temperate forest
C. A steep slope
D. A river delta
Answer:
C. A steep slope
Explanation:
Erosion is a weathering process that causes removal of the top layer of sediments from any geological material (rock, plain area, etc) and then transports that material to another place. This process is governed by the combined action of wind, water (precipitation), gravity, and other meteorological parameters.
For this question, four options are given among which rate of erosion would be faster than the rate of soil formation for a steep slope. For a steep slope, the movement of water and wind would be stronger along with high gravitational pull as compared to the tropical area, river delta, and temperate forest. In principle, in the temperate forest, the erosion would be lowest due to the presence of plant roots that support the soil material to stay aggregated and resist against weathering.
A closed loop allowing movement of electrical charge:
A. produces an excess accumulation of charge.
B. is called a circuit.
C. must have only one branch.
D. does not permit transfer of energy.
Explanation: A closed loop allowing movement of electrical charge is called a circuit.
Answer:
B
Mast cells play what key role in initiating an immune response?
Mast cell release histamine and heparins molecules that are significant in initiating/mediating the inflammatory response. This is why mast cells are highly granulated and are categorized as granulocytes. An example of such a response is when an allergen bind to the IgE of a mast cell inducing secondary communication mechanism inside the cell leading to release of the transmitters.
Final answer:
Mast cells initiate an immune response by releasing histamine and other inflammatory mediators. They have roles in both promoting and modulating inflammation, particularly in allergic reactions such as asthma and food allergies.
Explanation:
Mast cells play a crucial role in initiating an immune response by detecting injury to nearby cells and releasing histamine, which jump-starts the inflammatory response. These cells contain granules with a plethora of mediators such as eosinophil chemotactic factor, neutrophil chemotactic factor, platelet activating factor, and a range of cytokines including IL-3, IL-4, IL-5, IL-6, and TNF-alpha. They are also involved in synthesizing leukotrienes and prostaglandins that enhance inflammation through mechanisms such as vasodilation, increased capillary permeability, and increased mucous production.
However, beyond being pro-inflammatory, mast cells also exhibit immunomodulatory effects in allergic inflammation. They are seen as troublesome due to their substantial role in IgE-dependent allergic hypersensitivity reactions, like allergic asthma and food allergies. Despite this, recent findings suggest that mast cells can also have suppressive effects that modulate allergic responses, showing their dual nature in the body's reaction to allergens and infections.
Which tenet of Darwin's theory of natural selection is best exemplified by the data in the graph?
The height of sorghum plants varies due to mutations.
Sorghum plants with advantageous traits are more likely to survive and reproduce.
All the sorghum plants in the region compete for sunlight.
Sorghum plants can produce more offspring than can survive.
Yea, I agree too, Sorghum plants can produce more offspring than can survive.
The phase of matter with atoms that are tightly packed and can only vibrate next to each other a Liquid b Plasma c Gas d Solid
The answer is D. solid
What is an acid? a substance that can donate an H+ ion a substance that is alkaline a substance that has a high pH value a substance that can accept an H+ ion
Answer:
The correct answer is "a substance that can donate an H+ ion".
Explanation:
An acid is defined as a chemical substance that neutralizes basic solutions and acts as a proton (H+ ion) donor. Most acids when are dissolved in water release a proton which can be donated to a different compound. Acids are proton donors and electron acceptors, while bases are the opposite.
THIS IS WORTH 30 POINTS!
What conclusion can be drawn from embryological development?
A. The presence of gill slits and tails in early vertebrate embryosshows that they may share a common ancestor.
B. Many organisms have structures with no apparent function found during embryo development.
C. Insect and bird wings are similar in function but not in structure.
D. Paleontologists have used fossils to trace the evolution of the modern camel.
your anwer is c) The two types of wings share a common function (and therefore are both called ... the bird wing and insect wing did not arise from an original ancestral structure ... When the gill slits became supported by cartilaginous elements, the first set of
Why is it evolutionarily adaptive for flytraps to “eat” insects?
Answer:
because the flytraps evolved and adapted to eating insects in order to survive and its part of their niche to keep the insect population at a gradual rate
What maintains the secondary structure of a protein?
Answer:
hydrogen bonds
Explanation:
Proteins are folded into their secondary structure via hydrogen bonds-between the amino hydrogen and carboxyl oxygen atoms. Secondary structure is an intermediate, before proteins gets its 3D shape (conformation), tertiary and quaternary structure. Mos commonly found secondary structures of the protein are:
alpha helices-backbone N−H group forms a hydrogen bond with the backbone C=O group of the amino acidwhich is three or four residues apartbeta sheets- laterally connected polypetpide chains with two or three hydrogen bondsHydrogen bonds maintain the secondary structure of a protein by forming between amino acid residues.
Explanation:The secondary structure of a protein is maintained by hydrogen bonds. These bonds occur between the amino acid residues in the protein chain. The two main types of secondary structures are alpha helices and beta sheets.
In an alpha helix, the hydrogen bonds form between the carbonyl oxygen of one amino acid and the amino hydrogen of an amino acid four residues down the chain. This creates a stable spiral-like structure.
In beta sheets, the hydrogen bonds form between adjacent strands of the protein chain, creating a pleated sheet-like structure. The hydrogen bonding between the amino acids in both alpha helices and beta sheets helps to stabilize the overall structure of the protein.
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Recall the discussion of mythical places in unit eight. would firefly forest be considered a mythical place? why or why not?
Answer:
i would think that the Firefly Forest could be considered a mythical place because there are mythical beings in this place according to the story.
Answer:
Yes, it can be considered a mythical place because it is a place full of fantasy and magic that does not exist but is a product of the imagination of the author who created it. It also takes elements of nature but with a tint of fiction.
Albinism is a recessive trait in humans that is controlled by a single gene. how many recessive alleles must a person have to have albinism?
a. 2
b. 3
c. 1
d. 0
Answer: a. 2
If there is a dominant allele, it will overpower the recessive allele for albinism; therefore, a person must have 2 recessive alleles to have this recessive trait
The empirical method of study is based on ________.
Answer:
observation or experience
Explanation:
Empirical method is a study that uses indirect or direct observations in order to gain some knowledge. It uses empirical evidences-information that are collected through observation or experience.
Theory that is tested by empirical method involves the use of objective, that is observed, highly controlled and replicable.
The empirical method is a systematic way of acquiring knowledge based on observation, including experimentation. This method is grounded in objective, tangible evidence that can be observed time and again. It includes steps like observation, formulation of a hypothesis, testing, and confirming or falsifying this hypothesis.
Explanation:The empirical method of study is based on objective and measurable observation, including experimentation. This scientific method is grounded in tangible evidence that can be observed and tested, regardless of who is conducting the observation. It is a way of gaining knowledge based on an empirical approach, involving a series of steps, including observing a phenomena, formulating a hypothesis, testing it, and confirming or falsifying the hypothesis.
For instance, in empirical political science, the number of votes a candidate receives is an empirical matter as votes can be counted. This showcases that empirical methods are based on facts that can be accounted for, measured, and verified to be true.
The scientific method involves developing and testing theories about matter, energy, or social world, based on empirical evidence. Consider psychological science, it's empirical, based on measurable data, not on hypothesis that can't be measured, like 'a bird sings because it's happy'.
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Which of the following is NOT a way in which an enzyme can speed up the reaction that it catalyzes?
a. The active site of the enzyme can provide a microenvironment with a different pH that facilitates the reaction.
b. The active site can provide heat from the environment that raises the energy content of the substrate.
c. Binding of the substrate to the active site can stretch bonds in the substrate that need to be broken.
d. The enzyme binds a cofactor that interacts with the substrate to facilitate the reaction.
e. The binding of two substrates in the active site provides the correct orientation for them to react to form a product.
Answer:
b. The active site can provide heat from the environment that raises the energy content of the substrate.
Explanation:
Enzymes are the biocatalysts that speed up the chemical reactions occurring inside the cells by lowering down the activation energy. Activation energy is the energy required to convert the substrates from their ground state into the transition state to facilitate the formation of products.
Enzymes favor the formation of transition state at lower temperatures by lowering down the activation energy and make the reactions to occur at lower temperatures. Substrates bind to the active sites, specific binding sites on enzymes. Active sites do not channelize the energy from the surroundings to the substrates.
Organic molecules that perform many functions for living things and are made up of amino acid monomers are called
Answer:
The answer is proteins.
Organic molecules constructed from amino acid monomers that perform various functions for living organisms are known as proteins. These play a diverse range of roles in living systems, providing structure, regulation, or protection, and participating in transport and storage among other things.
Explanation:The organic molecules that function in many ways for living beings and are built from amino acid monomers are called proteins. Proteins are a significant type of organic molecules and play a versatile range of roles in living systems. Composed of amino acids arranged in a linear sequence, proteins may provide structure, regulation, contractility, or protection. They may also serve in transport, storage, or be part of membranes; or they can be toxins or enzymes.
Each cell in a living system may contain thousands of different proteins, each having a unique function. The structures of proteins, similar to their functionalities, vary widely. However, they all are polymers of amino acids.
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- One way in which a virus gains control of a cell is to direct the synthesis of new viral proteins, which include such molecules as enzymes. To do this, however, the virus must provide the cell with mRNA for the production of such proteins. Viruses can achieve this goal in one of three basic ways: (1) they can import mRNA into the cell in the form of the viral genome (2) they can allow the cell to make viral mRNA through normal cellular genetic processes by providing the cell with viral DNA (3) they can use unique mechanisms to convert their genomes into a form suitable for protein production • ex. + ssRNA virus; this type of genome essentially mimics the mRNA found in the cell • ex. DNA virus, either ds or ss, which can take advantage of normal cellular processes to produce mRNA • ex. - dsRNA virus, which uses a novel enzyme called RNA - dependent RNA transcriptase to convert its genome into + ssRNA, which can then be used for protein synthesis
Answer:
What is the question in this text?
Explanation:
Which of the following best describes the way that genes, chromosomes, and DNA are related?a.Chromosomes contain several genes, which are made up of sequences of DNA.b.Genes contain several chromosomes, which are made up of sequences of DNA.c.Genes contain several sequences of DNA, which are made up of chromosomes.d.Sequences of DNA contain several genes, which are made up of chromosomes.
Answer:
a. Chromosomes contain several genes, which are made up of sequences of DNA.
Explanation:
Genes are located in chromosomes. A chromosome can hold hundreds to thousands of genes. Each gene is made up of a specific sequence of DNA which determines its trait. Genes are inherited from our parents. They also determine how we look and how we function internally.