An allele that is always expressed whenever it is present is called.
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An allele that is always expressed whenever it is present is called a dominant allele.
The dominant allele is a type of gene that affects the physical and observable traits of an organism. An organism with a dominant allele will express the dominant trait, even if there is only one copy of the allele. A dominant allele will always be expressed if it is present in an organism, which means that a recessive allele must be homozygous to be expressed. The concept of dominant and recessive alleles was developed by Gregor Mendel, the father of genetics. Mendel conducted experiments on pea plants and discovered that certain traits were dominant while others were recessive.
This discovery led to the development of the laws of inheritance, which govern how traits are passed down from one generation to the next. Dominant alleles are often represented by uppercase letters, while recessive alleles are represented by lowercase letters. For example, the dominant allele for brown eyes is represented by "B," while the recessive allele for blue eyes is represented by "b." The combination of alleles an organism has is known as its genotype, while the observable traits it exhibits are known as its phenotype.
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Related Questions
the chaparral biome is found on the west coast of the unites states and around the mediterranean coast of europe. plants in the mediterranean chaparral tend to have broader leaves than in the california chaparral. which is a reason for the broader leaves?
Answers
The chaparral biome is found on the west coast of the United States and around the Mediterranean coast of Europe. Plants in the Mediterranean chaparral tend to have broader leaves than in the California chaparral.
One reason for the broader leaves is the increased amount of sunlight that the Mediterranean plants receive. The increased sunlight leads to increased photosynthesis, which in turn leads to increased growth. The increased growth results in the need for more leaves to support the plant, which leads to the development of broader leaves.
The chaparral biome is characterized by dry, warm summers and cool, wet winters. The average rainfall in the chaparral is between 30 and 60 inches (76 and 152 cm) per year. The chaparral biome is home to many species of plants and animals. Some of the plants that are found in the chaparral include sagebrush, manzanita, and chaparral sage. Animals that are found in the chaparral include deer, rabbits, quail, and rattlesnakes.
The chaparral is an important part of the ecosystem. It provides homes for many animals and helps to protect the soil from erosion.
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The three main plant life processes are cellular respiration, photosynthesis, and transpiration. Drag each description to the correct process heading.
Answers
Respiration
• Converts food to usable energy
,• Releases carbon dioxide into the air
,• Uses oxygen
Photosynthesis
• Requires chlorophyll
,• Produces food for the plant
,• Uses carbon dioxide and water
,• Pulls water up from the roots to the leaves
Transpiration
• Important part of the water cycle
,• Returns water to the air
What are fossils?
Please help.
Answers
Answer: old bones of animals/mammals that’s are extinct
Explanation: plz give brainlest
if further studies revealed that 150 of the beetles were homozygous dominant, is the population at equilibrium? explain using the chi-square test.
Answers
If further studies revealed that 150 of the beetles were homozygous dominant, the population is not at equilibrium. This can be explained using the chi-square test, which compares observed and expected frequencies to determine if there is a significant deviation.
To assess whether a population is at equilibrium, the observed frequencies of different genotypes are compared to the expected frequencies based on the principles of Hardy-Weinberg equilibrium. The chi-square test is commonly used for this analysis. If the observed frequencies significantly deviate from the expected frequencies, it indicates that the population is not at equilibrium.
In this case, if the observed frequency of homozygous dominant beetles is 150, it needs to be compared to the expected frequency based on the allele frequencies in the population. If there is a significant difference between the observed and expected frequencies, it suggests that evolutionary forces, such as genetic drift, mutation, selection, or migration, may be affecting the population, leading to a deviation from equilibrium.
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PLEASE SOMEONE HELP THIS IS DUE TODAY
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Photolysis refers to a chemical process in which a compound is broken down or decomposed by light energy. The word "photolysis" comes from the Greek words "photo" meaning "light" and "lysis" meaning "to break apart" or "to split."
In photolysis, the absorption of light energy by a compound leads to the rupture of chemical bonds within that compound, resulting in the formation of smaller molecules, atoms, or free radicals. The energy provided by the light photon enables the reactant molecules to overcome the activation energy barrier required for the bond-breaking process.
Overall, photolysis is a fundamental process that occurs when light energy interacts with certain molecules, leading to the breaking of chemical bonds and the formation of new chemical species.
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What determines why some traits are "favorable"?
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Approximately what percent of the sunlight striking the earth is actually captured by the biosphere on any given day? brainloy
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About 71% of the sunlight that reaches the Earth is absorbed by the surface of the earth and atmosphere.
What is light energy?The capacity to make different forms of light visible to human sight makes light energy a sort of kinetic energy. Light is referred to as electromagnetic radiation that is produced by hot things like the sun, lasers, and lightbulbs.
Photons, which are tiny energy packets, are present in light. Photons are created when the atoms of an item undergo a heating process; this is how photons are created. The heat excites the electrons, which leads to their producing more energy. A photon is produced when the energy is released, and as the substance heats up, more photons are produced.
Therefore, 71% of the sunlight that reaches the Earth is absorbed by the surface of the earth and atmosphere.
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the outstanding characteristic of the kingdom fungi? A. all members are photosynthetic.B. absorption of organic matter.C.C.Absorption of dissolved inorganic matter.D.all members are photosynthesis.
Answers
Answer:
B
Explanation:
Sperm are produced in the __________ by a process called ______.
a. testes, spermatogenesis
b. scrotum, spermatogenesis
c. epididymis, spermatogenesis
d. testes, epididymis
Answers
Answer:
a. testes, spermatogenesis
Explanation:
The testes are responsible for making testosterone, and for producing sperm.
Spermatogenesis is the process of sperm cell creation and development. When this process comes to the end, sperm is kept in the epididymis.
I hope this help
During the conversion of glucose into a free form of energy only some of the energy is converted into usable atp. what happens to the rest of the energy?
Answers
During the conversion of glucose into a free form of energy, only some of the energy is converted into usable ATP then the rest of the energy is converted to heat.
What do you understand about the ATP as the currency of energy?Since it stores readily usable energy in the connection between the second and third phosphate groups, ATP is frequently referred to as the "energy currency" of the cell. Furthermore, the phosphate groups that connect via phosphodiesterase bonds make ATP a great energy storage molecule to serve as "money". Due to the electro negative charges acting as a repulsive force between the phosphate groups, these bonds have high energy. In fact, in biological systems, ATP serves as the primary medium of energy transfer. It is often referred to as the money of cells' energy.
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What is the functional unit of the kidney? What are the structures of this unit and its specific functions?
Answers
Answer:
The functional unit of the kidney is the nephron.
Explanation:
Each kidney consists of millions of nephron which plays a significant role in the filtration and purification of blood. The nephron is divided into two portions, namely, the glomerulus and the renal tubule and helps in the removal of excess waste from the body.
The functional component of the kidney is known as a nephron.
What is a nephron?The kidney's fundamental functioning unit, the nephron, filters blood and eliminates waste products, excess water, electrolytes, and other chemicals. It is essential for controlling blood pressure and hormone synthesis, as well as maintaining the body's fluid and electrolyte balance.
What a nephron's composition and purpose?The Bowman's capsule, proximal tubule, Henle loop, distal tubule, and collecting duct make up this structure. Larger molecules are prohibited from entering the nephron whereas smaller molecules can pass via the Bowman's capsule, which serves as a filter. The proximal tubule reabsorbs glucose and amino acids, and the Henle loop contributes to the development of a sharp ion concentration gradient. The pH balance and electrolyte composition of the blood are controlled by the distal tubule and collecting duct. The nephron controls the fluid, electrolyte, and acid-base balance in addition to filtering waste from the blood.
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For a gene that is only regulated by a repressor, a mutation that destroys the activity of the repressor would:_________
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For a gene that is only regulated by a repressor, a mutation that destroys the activity of the repressor would cause the gene to be expressed at a higher rate since the repressor is inactivated.
In the field of genetics, a repressor can be described as a kind of protein that restricts the transcription of a gene. A repressor can either turn off the transcription of a gene completely or lower the rate of transcription of a gene.
A repressor binds at the specific promoter region of the DNA that transcribes a particular gene. As a result, RNA polymerase is unable to bind to the promoter. Hence, transcription does not take place.
If the activity of a repressor is destroyed due to a mutation, then this means that the repressor will no longer be able to bind to the promoter region. Hence, the gene will be transcribed more and expressed at a higher rate.
Although a part of your question is missing, you might be referring to this question:
For a gene that is only regulated by a repressor, a mutation that destroys the activity of the repressor would
(a) would have no effect on the gene's expression since the repressor is inactivated.
(b) prevent the gene from being expressed since the repressor is inactivated.
(c) prevent the gene from being expressed since the gene will also be inactivated.
(d) cause the gene to be expressed at a higher rate since the repressor is inactivated.
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Onepage review on why understanding gas and vapors in a work setting is important and what we can do in our workplace to prevent accidents with gases and vapors.
Answers
Understanding gas and vapours in a work setting is incredibly important for workplace safety. Gas and vapours can contain noxious substances that, if exposed to, can lead to serious injury or health implications.
In order to prevent such accidents, employers must perform risk assessments in order to assess and identify any areas of risk and put in place control measures to limit them. If gas and vapours are used onsite, then suitable ventilation and extraction systems should be in place.
Employers should also ensure that their staff are aware of the potential risks associated with such substances and provide adequate training and instruction in how to work safely. Finally, employers should also check that any necessary personal protective equipment is provided and communications are in place to be able to notify relevant emergancy responders in case of an accident.
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What is the purpose of splitting water in PS2 of the light dependent reaction
Answers
Answer:
to get hydrogen ions
Explanation:
Answer:
something about a playstation 2
Explanation:
A cellular reaction with a AG of 8.5 kcal/mol could be effectively coupled to the hydrolysis of a single molecule of ATP (AG of-7.3 kcal/mol). True False
Answers
A cellular reaction with a ΔG of 8.5 kcal/mol could be effectively coupled to the hydrolysis of a single molecule of ATP (ΔG of -7.3 kcal/mol). This statement is False.
The Gibbs free energy change (ΔG) of a coupled reaction is the sum of the individual ΔG values. To couple effectively, the overall ΔG should be negative, indicating that the reaction is spontaneous. In this case:
ΔG of cellular reaction: +8.5 kcal/mol
ΔG of ATP hydrolysis: -7.3 kcal/mol
Combined ΔG: 8.5 + (-7.3) = +1.2 kcal/mol
Since the combined ΔG is positive (+1.2 kcal/mol), the reaction is not effectively coupled to the hydrolysis of a single molecule of ATP.
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Whats high tide zone
Answers
it is the first option, also only covered by water in the highest tides
Answer:
Only covered by water during the highest tides. Out of water for long stretches in between high tides.
Explanation:
I took the test.
Relationships of selected organisms based on a catalase structure which of the following student claima is best supported by the data provided
Answers
I need to know what the organisms are first..
Beth and Tom each have a sibling with cystic fibrosis, but neither Beth nor Tom nor any of their parents have the disease. Calculate the probability that if this couple has a child, the child will have cystic fibrosis. What would be the probability if a test revealed that Tom is a carrier but Beth is not? Explain your answers.
Answers
The probability of a child having cystic fibrosis depends on whether the parents are carriers of the disease. If neither Beth nor Tom carry the gene for cystic fibrosis, then the probability of their child having the disease is extremely low. Cystic fibrosis is an autosomal recessive disorder, which means that both parents need to carry the gene in order for their child to have the disease.
If a test revealed that Tom is a carrier of the cystic fibrosis gene, but Beth is not, the probability of their child having cystic fibrosis would be determined by the inheritance pattern. In this case, the child would have a 50% chance of being a carrier like Tom, but would not have the disease itself. This is because the child would need to inherit the gene from both parents to have cystic fibrosis, and Beth does not carry the gene.
To summarize, if neither Beth nor Tom carry the gene, the probability of their child having cystic fibrosis is very low. If Tom is a carrier but Beth is not, the child would have a 50% chance of being a carrier but would not have the disease.
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A farmer is cultivating a plant in his garden for the long wood purpose. But the plant is growing short with many branches. What would you suggest the farmer to do?(relate with meristamatic tissue)
Answers
Answer: PLANT NOTCHING can encourage the plants to grow new branches
Explanation: PLANT NOTCHING is a way of encouraging new growth by making a small cut in a branch of a plant
A MERISTEM is the tissue in most plants containing undifferentiated cells(merismatic cells), found in the zones of the plant where growth can take place. merismatic cells constantly divide to give rise to various organs of the plant and keep the plant growing.
To learn more about MERISMATIC TISSUEbrainly.com/question/33396991negative impacts of water pollution include . a.) having less contaminated water available b.) increasing surface temperatures across earth c.) killing organisms or otherwise disrupting their life cycles d.) causing rising sea levels, flooding and droughts
Answers
Answer:
c.) killing organisms or otherwise disrupting their life cycles
Explanation:
Negative impacts of water pollution include killing organisms or otherwise disrupting their life cycles.
What happens to the chromosomes during anaphase of mitosis? Why is an important step in producing the daughter cells?
Answers
Answer:
During anaphase, each pair of chromosomes is separated into two identical, independent chromosomes.
It is important because anaphase ensures that each daughter cell receives an identical set of chromosomes, when anaphase doesn't occur properly faulty cells which aren't identical may be produced
Each pair of chromosomes divides into two identical, independent chromosomes during anaphase. Anaphase is crucial because it ensures that each daughter cell obtains an identical set of chromosomes.
What is mitosis?Mitosis is a process of cell division. The process occurs in all eukaryotic cells. The process occurs in four stages. The process divides the cell. The parent cell produces an identical daughter cell.
Prophase: This is the first stage of mitosis. During this, the cell starts to break, and the chromosomes start to condense.Metaphase: This is the second stage. During this stage, the chromosomes line up in spindle fiber and a checkpoint is also established.Anaphase: During this stage, the sister chromatids divide and lined up and the division of chromosomes happens.Telophase: This is the last stage. The nucleus closed and the nuclear membrane formed. It is also called cytokinesis.Therefore, during anaphase, each pair of chromosomes splits into two identical, independent chromosomes.
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T/F: Anatomical thoracic inlet is bounded by T1 vertebral body, clavicles and superior border of the manubrium
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False. The T1 vertebral body does not bind the anatomical thoracic inlet.
It is actually bounded by the first rib, the superior border of the manubrium (part of the sternum), and the medial ends of the clavicles. The thoracic inlet, also known as the superior thoracic aperture, is the upper opening of the thoracic cavity. It is a passage for various structures between the neck and the thorax. The boundaries above create a triangular-shaped inlet through which important structures pass, including the trachea, esophagus, major blood vessels, and nerves.
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PLS HELP!
Two molecules are shown below. In the molecule on the left, electrons are shared unequally. In the molecule on the right, the electrons are shared equally.
When the two substances are put in the same container, they do not attract each other. why does this happen?
A. They contain different elements.
B. They both contain oxygen.
C. They are both nonpolar.
D. One is polar, and one is nonpolar.
Answers
Answer:
D. One is polar, and one is nonpolar
Explanation:
Answer: One is polar, and one is nonpolar
Explanation: D
22. Highlight the correct answer of each underlined pair. UV radiation has shorter longer
wavelengths and
lower/higher energy than visible light and infrared radiation.
Answers
Answer:
shorter and higher
Explanation:
UV is further along in the EM spectrum so has a higher frequency and shorter wavelengths than visible light.
macdonald only has five cows and one bull. he wants to be sure that his bull continues to mate with an individual cow long enough to induce pregnancy. what should he do to prolong the mating episode?
Answers
To prolong the mating episode between the bull and an individual cow to increase the chances of inducing pregnancy, MacDonald can consider implementing the following strategies:
Separate the bull and cow from other cows: By isolating the bull and the specific cow from the rest of the herd, MacDonald can eliminate distractions and potential competition from other cows. This can help create a more focused environment for mating.
Control the timing of mating: Observing the cow's estrus cycle and determining the optimal timing for mating can be crucial. MacDonald should be aware of the cow's heat signs, such as mounting behavior, increased vocalization, and clear mucus discharge, indicating the cow is in heat. By accurately identifying the cow's heat period, he can time the mating to increase the likelihood of successful insemination.
Provide a suitable breeding area: Creating a comfortable and controlled environment for mating can contribute to prolonging the mating episode. MacDonald can designate a specific area where the bull and cow can mate without interference or disturbances from other animals or external factors.
Observe and intervene if necessary: MacDonald should closely monitor the mating process to ensure that mating is successful and to intervene if any complications arise. If the mating episode appears to be short or incomplete, he can facilitate and encourage a longer mating period by allowing them to continue mating or by gently guiding the bull and cow back into position if necessary.
By implementing these strategies, MacDonald can maximize the chances of a successful mating and increase the likelihood of inducing pregnancy in the individual cow with the bull.
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Hich physiologic change increases cardiac work but does not enhance cardiac output?
Answers
Increased afterload physiologic change increases cardiac work but does not enhance cardiac output.
What about cardiovascular system?Heart and blood vessels, which make up your cardiovascular system, deliver oxygen and nutrition to your body's organs so they can function. Blood vessels also transport waste such as carbon dioxide to be disposed.Conditions affecting the heart or blood vessels are collectively referred to as cardiovascular disease. It is frequently associated with atherosclerosis, an accumulation of fatty deposits in the arteries that increases the risk of blood clots.The heart, blood arteries, and blood make up the cardiovascular system. Its main job is to carry deoxygenated blood back to the lungs and to carry nutrients and oxygen-rich blood to all regions of the body.The most typical cause of coronary artery disease is atherosclerosis, which is a buildup of fatty plaques in your arteries. Atherosclerosis can be brought on by unhealthy lifestyle choices such smoking, being overweight, not exercising, and eating poorly.Learn more about cardiovascular system here:
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The properties of filtrate in the glomerular capsule is normally very similar to that of blood plasma except for the lack of:
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The properties of filtrate in the glomerular capsule are normally very similar to that of blood plasma except for the lack of Proteins.
Properties of filtrate in the glomerular capsuleThe kidneys filter 1100–1200 cc of blood every minute on average. Three layers of blood are filtered as a result of glomerular blood pressure. Bowman's capsule epithelium, glomerular blood vessel endothelium, and the basement membrane between these three layers.The filtration membrane is composed of these three entities.These membranes filter the blood so thoroughly that all but a small portion of the plasma's components enter the bowman's capsule's lumen. Additionally, both of them contain diverse electrolytes like sodium, potassium, chloride, and bicarbonate ions as well as glucose, creatinine, urea, and uric acid except for proteins. This procedure is hence termed ultrafiltration.
Therefore, "Proteins" is the right response.
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One of the bone-resorbing enzymes secreted by osteoclasts requires a covalently bound zinc ion to exhibit normal enzyme function. In this scenario, zinc is acting as:
I. a coenzyme.
II. an allosteric effector.
III. a prosthetic group.
A. III only
B. I and II only
C. I and III only
D. I, II, and III
Answers
For one of the bone-resorbing enzymes released by osteoclasts to function normally, a zinc ion must be covalently bonded to zinc. Zinc is working as I. a coenzyme in this situation.
Which theory of emotion can most accurately predict how the study's actors would feel after exhibiting happy nonverbal expressions?Which theory of emotion can most accurately predict how the study's actors would feel after exhibiting happy nonverbal expressions? It is best to select option C. According to the facial feedback hypothesis, when an emotion is physically expressed, it also causes the emotion to be felt.
Which microorganism has the capacity to carry out transcription and translation at the same time?What kind of microbe may concurrently carry out transcription and translation within the same cellular compartment? Due to the fact that yeast and algae are eukaryotic organisms, their mRNA must pass through the nuclear pores in order to connect with a ribosome.
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What systems can you think of? List one or two examples of things that you think might be systems
Answers
Systems can be found in various domains, such as biology, ecology, society, information, and the physical world. Examples include the nervous system, ecosystems, economic systems, computer networks, and the solar system. Systems consist of interconnected elements working together to fulfill a common purpose.
Systems are structures or sets of interconnected elements that work together to achieve a common purpose. There are various types of systems found in different domains. Here are a few examples:
1. Biological Systems:
- The nervous system: It includes the brain, spinal cord, and nerves, which work together to transmit signals and coordinate bodily functions.
- The cardiovascular system: It consists of the heart, blood vessels, and blood, responsible for circulating oxygen, nutrients, and hormones throughout the body.
2. Ecological Systems:
- Ecosystems: A complex system comprising living organisms (plants, animals, microorganisms) interacting with their physical environment (soil, water, climate) in a specific geographical area.
- Food webs: Systems that depict the interconnectedness of various organisms in an ecosystem through their feeding relationships.
3. Social Systems:
- Economic system: A network of individuals, organizations, and institutions involved in the production, distribution, and consumption of goods and services within a society.
- Political system: Structures and processes through which a society governs itself, including institutions, laws, and decision-making mechanisms.
4. Information Systems:
- Computer networks: Interconnected devices and communication protocols that enable the exchange of data and information between computers.
- Database systems: Organized collections of data and software designed to efficiently store, retrieve, and manage large amounts of information.
5. Physical Systems:
- Solar system: A system consisting of the sun, planets, and other celestial bodies held together by gravitational forces.
- Climate system: The interactions between the atmosphere, hydrosphere, biosphere, and geosphere that influence long-term weather patterns and climate conditions.
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True or False: Energy derived from biomass burning is an example
of a fossil fuel
Group of answer choices
True
False
Answers
False. Energy derived from biomass burning is not classified as a fossil fuel.
The energy from biomass burning is not fossil fuel. Ancient plants and animals that endured geological processes over millions of years become fossil fuels. Fuels like coal, oil, and natural gas are fossil.
Instead, biomass is organic substance like wood, agricultural leftovers, and other plant and animal debris. Biomass burnt for energy emits carbon dioxide into the atmosphere, whereas plants absorbed it during growth. Biomass burning is carbon-neutral over a shorter time frame than fossil fuels because the carbon emitted is nearly balanced by the carbon absorbed during biomass growth.
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