what fear of words that are the same forwards and backwards?
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two genes, u and h, affect wing development in a species of flying pigs, where some pigs have wings and some do not. pigs with wings are always homozygous at gene u (u1u1). among pigs with wings, allele h4 codes for grey feathers and is dominant over allele h5, which codes for white feathers. which of the following best describes this scenario? group of answer choices A. duplicate recessive epistasis B. recessive epistasis of u over h C. duplicate dominant epistasis D. recessive epistasis of h over u E. dominant epistasis of h over u F. dominant epistasis of u over h
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The scenario that was described of the effect of gene u on gene h is an example of recessive epistasis of u over h.
The correct option is C.
What is recessive epistasis?This type of epistasis, where one gene masks the expression of another gene, is known as recessive epistasis of u over h.
The fact that pigs with wings are always homozygous at gene u (u1u1) suggests that the presence of this allele is necessary for wing development. In addition, the presence of the homozygous recessive genotype (u2u2) likely results in no wing development.
The fact that allele h4 codes for grey feathers and is dominant over allele h5, which codes for white feathers, suggests that the expression of h determines feather color in pigs with wings. Therefore, the expression of h is dependent on the presence of the u1 allele.
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many of the molecules found in the body are organic.
A: make an argument for which three biological molecules you feel are the most important for the body.
B: water is inorganic but still essential. could humans live without water? why or why not?
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B. We’ve become so dependent on water that I’d say it’s impossible for humans to live without it. At the most fundamental level, everything we consume — both literally and metaphorically — contains or utilized water. Our favorite foods, drinks, and even buildings contain a percentage of water. Maybe things would be different if we hadn’t allowed it to play such an essential role in practically everything we use, but they aren’t. We need water, which is why going 2 weeks without water could kill us. Sure, there are substitutes for water like milk, but milk is not as good for us as water is. Water balances and purifies our body, while milk fills it up with more waste.
How many kingdoms are represented by the organisms shown
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Plantae
And animalia
Hope that helped :D
what would happen if you changed a single nitrogen base in one gene of the alien's DNA
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Which of the following states that charges can move from one object to another but cannot be created nor destroyed?
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The statement that charges can move from one object to another but cannot be created nor destroyed is described by the law of conservation of charge. According to this law, the total amount of electric charge in an isolated system remains constant and cannot be created or destroyed. The charge can only be transferred from one object to another
The study of the surface of the body is often called what type of anatomy? a. supine b. surface c. subdural d. superficial
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The study of the surface of the body is often called superficial anatomy. Option d is correct.
Superficial anatomy focuses on the external structures and features of the body, such as the skin, muscles, and bones that are visible without the need for dissection or invasive procedures. It involves observing and palpating the body's surface to identify landmarks, muscles, tendons, and other superficial structures.
For example, in superficial anatomy, you might study the bony landmarks on the skull or the superficial muscles of the arm. This type of anatomy is essential for healthcare professionals, such as physical therapists or nurses, to assess patients, locate specific structures, or perform certain procedures.
It provides a foundation for understanding how the body is organized and how its various parts relate to each other. It involves examining the external structures and features of the body without the need for invasive procedures.
Therefore, Option d is correct.
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This is not a question. This is the answer to PLATO students.
Be careful with this question.
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Thank you :) This helped :)
the Fluid-mosaic model of the cell membrane suggests that the membrane is primly composed of
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Answer:
According to the fluid mosaic model, the plasma membrane is a mosaic of components—primarily, phospholipids, cholesterol, and proteins—that move freely and fluidly in the plane of the membrane.
When you have two different alleles for a trait, the allele that is expressed is known as the ___________ trait while the allele that is masked is known as _________ trait.
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When two distinct alleles for a particular trait are present in an individual, the allele which is expressed is known as the dominant trait whereas the allele which is masked is called the recessive trait.
The term 'heterozygous' is used for individuals which possess two different alleles for a particular trait. According to Mendel's law of dominance, traits are regulated by discrete units known as factors or genes. The genes which code for a pair of contrasting traits are called alleles.
The law further states that when two distinct alleles are present for a particular trait, only one of them is able to express itself and is known as the dominant trait while the other is known as the recessive trait.
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What's the independent , dependent and control variable of the is experiment (bromothymol blue experiment)
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Answer:
we can't tell you if you don't tell us what the experiment is regarding bromothymol blue
sweat pores in the skin release water and various other substances onto the surface of the skin. what physical property of water allows sweating to reduce body temperature? a. lower density in the solid phase b. high heat capacity c. low heat capacity d. high surface tension
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The physical property of water allows sweating to reduce body temperature is high heat capacity. The correct answer is B.
When sweat is produced by the sweat glands in the skin and released onto the surface of the skin, it takes heat away from the body as it evaporates.
This process is made possible by the high heat capacity of water, which allows it to absorb and carry away heat from the body as it changes from a liquid to a gas.
The heat absorbed by the water as it evaporates cools the body, reducing body temperature and helping to regulate body temperature. The high heat capacity of water is a key factor in its ability to regulate temperature in many biological systems.
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Explain what happens to the molecules as the water gets hot.
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Answer:
Molecules move around faster and faster as water gets hotter and hotter. Water expands or increases in volume when it get heated.
Explanation:
how are art and conservation science connected in this sculpture?
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Answer: the artist was repurposing materials to create a variety of different masterpieces
Describe the order of organelles needed to produce and distribute a
protein. Make sure to explain what each organelle is doing for that protein. ~elp plz
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A substance with 20 carbon-14 atoms will have only
years.
left after
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A substance with 20 carbon-14 atoms will have only nitrogen - 14 left after over 5730 years due to radioactive decay.
What makes carbon - 14 different from carbon - 12?The element carbon has a naturally stable isotope C- 12, but C -14 is the unstable isotope.
C - 14 is the most commonly consumed isotope of carbon by all living organisms. Radiocarbon dating is the process of determining the age of a sample by examining the existence half life-life of this element. In the course of certain years when the life form's existence is extended the C- 14 gradually turns into N - 14 (Nitrogen).
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What kinds of cells carry out ATP synthesis by chemiosmosis? (A) all cells, both prokaryotic and eukaryotic, exclusively using oxygen as the electron acceptor (B) only animal cells in mitochondria, exclusively using oxygen as the electron acceptor (C) only eukaryotic cells, both plant and animal, using either oxygen or other electron acceptors (D) all respiring cells, both prokaryotic and eukaryotic, using either oxygen or other electron acceptors
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The kinds of cells carry out ATP synthesis by chemiosmosis are (D) all respiring cells, both prokaryotic and eukaryotic, using either oxygen or other electron acceptors.
Electron acceptors are compounds that accept electrons transferred to them from some other compound. There are various electron acceptors involved in the process of respiration. These are: coenzymes like NAD⁺ and FAD⁺. Oxygen is the final electron acceptor in cellular respiration.
Chemiosmosis is the process of pumping protons from the intermembrane space into the matrix to produce a gradient. This gradient is then used for ATP synthesis. In prokaryotes where cell organelles are absent, these processes occur in the cell membrane.
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PLEASE HELP ASAPPPP
The question for this is: Four substances are involved in both photosynthesis and cellular respiration. They are sugars, water, oxygen, and carbon dioxide. Energy is also transformed from one type to another. Describe what happens to these four substances, light energy, and chemical energy during photosynthesis. Then write a simple equation for the substances and another for energy, using words and arrows to illustrate these changes.
My friends answer is:
Photosynthesis is the process by which plants use light energy to convert water and carbon dioxide into sugars and oxygen. During photosynthesis, light energy is absorbed by the plant and converted into chemical energy. The water and carbon dioxide are broken down into their component parts, and the oxygen is released into the atmosphere. The sugars are stored in the plant for later use. The equation for photosynthesis can be represented as light energy + water + carbon dioxide → sugars + oxygen. The equation for energy transformation can be represented as light energy → chemical energy.
D u m b it down to make it look like an 8th grader wrote it pls and thank u
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Plants employ the process of photosynthesis to transform water and carbon dioxide into carbohydrates and oxygen.
Light energy is absorbed by the plant during photosynthesis and transformed into chemical energy. The oxygen is released into the environment, while the water and carbon dioxide are disintegrated into their component elements.
In the plant, the sugars are kept for future use. It is possible to write the photosynthesis equation as follows:
Light energy + water + carbon dioxide → sugars + oxygen.
Light energy → chemical energy can be used to describe the energy transformation equation.
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An increase in carbon dioxide in the atmosphere may be contributing to raising world temperatures
True
False
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Answer:
True.
Explanation:
There is a scientific consensus that the increase in carbon dioxide (CO2) in the Earth's atmosphere, primarily due to human activities such as burning fossil fuels and deforestation, is contributing to the warming of the planet through the greenhouse effect. Carbon dioxide is a greenhouse gas, meaning it traps heat in the atmosphere, which can lead to higher temperatures on Earth. This phenomenon has been observed through various scientific measurements, including the rise in global average surface temperature and the increase in ocean temperatures.
Describe how the surface area of a cell can influence the maximum size a cell might attain.
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Answer: describe how the surface area of a cell can influence the maximum size the cell might attain. nutrients come in and out through the cell membrane and as the cell grows, the volume expands faster than the surface area; at a certain size the cell will need more nutrients than can pass through the membrane.
Explanation:
Which of the following is a chemical byproduct of fermentation in humans?
a. glucose
b. lactic acid
c. ADP
d. pyruvate
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Answer:
b. Lactic acid
in another of david tilman's competition experiments with diatom species, he pitted a species of fragilaria against a species of tabellaria.T/F
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The following statement "in another of david tilman's competition experiments with diatom species, he pitted a species of fragilaria against a species of tabellaria" is absolutely True.
In one of David Tilman's competition experiments, he tested two different diatom species, Fragilaria and Tabellaria, to study the effects of competition on their growth. The experiment aimed to understand which species would dominate in a resource-limited environment. Tilman found that the Fragilaria species outcompeted the Tabellaria species and achieved higher biomass. This experiment is a classic example of how competition can affect the distribution of species in a given ecosystem and highlights the importance of understanding the dynamics of competition in ecological communities. It also provides insight into how environmental changes can impact the outcome of competition between species.
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Carry the same genes at the same locus (Location)
Ex. Chromosome l and Chromosome 1
A. Parts of Interphase
B. 46 pairs of chromosomes
C. Homologous Chromosomes
D. Phases of the Cell Cycle
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Answer:
C.
Explanation:
Diploid and polypeptide cells whose chromosomes have the same allele at a given locus are called homologous with respect to that locus, while those that have different alleles at a given locus are called heterogeneous. The ordered list of loci known for a particular genome is called a gene map.
Mutations can occur in the chromosomes of all types of cells. Mutations that are passed to offspring must occur in _____
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Answer:
A.) gametes
Explanation:
Gamete mutations can be passed on to future generations of the species. I hope I helped! ^-^
Chlorophyll, the primary photosynthetic pigment, emits light in the red region of the visible spectrum. The presence of chlorophyll correlates with photosynthetic capacity. Under a fluorescent microscope, which part of a leaf do you think would fluoresce in the red region of the spectrum?
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Answer:
The mesophyll is the main site of photosynthesis.
Explanation:
For sneaky snakes, being rude (R) is dominant to being respectful (r). Complete the cross below, and determine the phenotype (dominant : recessive) ratio.
R r
r #1 #2
r #3 #4
2 (#5) : 2 (#6)
Column A
1.
#1:
#1
2.
#2:
#2
3.
#3:
#3
4.
#4:
#4
5.
#5:
#5
6.
#6:
#6
Column B
a.Rr
b.RR
c.sweet
d.respectful
e.sneaky
f.rr
g.rude
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According to the question, the female snake will have genotype rrss, whereas the male snake will have genotype RRSS.
What is the offspring's phenotype?The trait that these genes express is known as phenotype. Phenotypes include things like blossom position, pod shape, eye color, and hair color. In this case, it instructed you to create a hybrid between two parents whose eye color was homozygous dominant.
How is the genotype discovered?A genetic test is a clear-cut approach to determine your genotype. These days, businesses like 23andMe can do this reasonably cheaply. But for this to function, researchers must have identified the genetic variation that results in a trait.
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why are bio engineers interested in viruses?
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a lamp is placed 9 cm away from a plant. what is the fraction of the lamps light intensity,i, at a plant. give yoir answer to 3 decimal places
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The fraction of the lamp's light intensity at the plant is I₀ / 0.0081.
To calculate the fraction of the lamp's light intensity at the plant, we can use the inverse square law of light propagation, which states that the intensity of light decreases inversely proportional to the square of the distance.
Let's assume the initial light intensity of the lamp is represented by I₀, and the distance between the lamp and the plant is 9 cm (0.09 m). According to the inverse square law, the fraction of the lamp's light intensity at the plant, represented as I, can be calculated using the formula:
I = I₀ / (d²),
where d is the distance between the lamp and the plant. Plugging in the values, we get:
I = I₀ / (0.09²) = I₀ / 0.0081.
Therefore, the fraction of the lamp's light intensity at the plant is I₀ / 0.0081.
Please note that the actual value of the fraction will depend on the specific light intensity of the lamp, which would need to be provided to obtain a precise numerical answer.
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what structural features of alveoli make them an ideal place for gas exchange
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The structural features of alveoli make them an ideal place for gas exchange due to their large surface area and thin walls.
Alveoli are tiny, balloon-like structures found in the lungs. They are surrounded by an extensive network of capillaries, where the exchange of gases takes place. The large number of alveoli in the lungs provides a significantly large surface area for gas exchange to occur. This increased surface area allows for a greater amount of oxygen to diffuse into the bloodstream and carbon dioxide to be removed efficiently. Furthermore, the walls of the alveoli are extremely thin, consisting of a single layer of epithelial cells. This thinness enables gases to diffuse quickly across the alveolar membrane. The close proximity of the alveolar walls to the capillaries allows for a short diffusion distance, ensuring a rapid exchange of gases. Overall, the combination of the large surface area and thin walls of alveoli maximizes the efficiency of gas exchange in the lungs, facilitating the uptake of oxygen and the removal of carbon dioxide from the bloodstream. This ensures an adequate oxygen supply for cellular respiration and the elimination of waste gases produced by metabolic processes.
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What do you think you would see if you could look inside the cell of an organism? What structures do you think you might observe?
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Answer: a bunch of organelles
Explanation:
some examples are...
mitochondria
cell wall
cell membrane
nucleus
Fungi can appear in what two forms?
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Yeast and Hyphae
Explanation: