An example of a(n) ______ cross is the mating of two rats that both contain the alleles ff for fur color. this cross is made to examine which of two fur colors their offspring will have.
Answers
An example of a monohybrid cross is the mating of two rats that both contain the alleles ff for fur color.
What is a monohybrid cross?A monohybrid cross is a hybrid cross between two species that only have a difference of one gene.
In other words, a monohybrid cross is the hybrid of two individuals with homozygous genotypes which result in the opposite phenotype for a certain genetic trait.
According to this question, two rats that both contain the alleles ff for fur color are crossed. This shows that only one gene is involved, hence, cross involving only one gene is called monohybrid.
Note that, this is opposed to a dihybrid cross that involves two different gene locus.
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Related Questions
Carbon Dioxide helps to make______
in photosynthesis.
O oxygen
O water
O glucose
Answers
Answer:
it helps to make oxygen
Select which Statement below summarizes Goals Communism and Fascism based on the following text.
"Communist and fascist governments resemble each other in some ways. In both, a dictator often rules. Both suppress opposition and claim that individual liberties must be sacrificed for the greater good of society. Both tend toward totalitarian control of people's lives. But their economic policies are different, and so are their larger goals.
In a communist society, the government directs the economy and owns most or all of the land, factories, and other resources that contribute to the economy. In theory, workers control the production of goods and share property. The stated goal of communism is a world in which social classes disappear and all people are treated equally. That's the theory - in reality, leaders of communist nations usually have far more material goods and privileges than the workers, who lack both wealth and freedom. A fascist government allows individuals to own property and businesses, but it maintains strict control over economic activity, and makes sure that private businesses serve the government's goals. Fascism glorifies the nation and its leaders, and calls on citizens to put the interests of the nation above individual interests.
Fascist regimes often use war as a way to expand and strengthen the state.
A.They reject the idea of equality for all. On the contrary, fascists often persecute minorities, and claim that their own national group is superior to others and therefore destined to rule."
B.There are no similarities at all between Communist and Fascist nations.
C.Communism has total economic control while Fascism is all about free trade and
capitalism with no economic controls.
D.( Communist governments allowed freedom and elections almost always while
Fascist governments only allow some freedoms like freedom of the press.
Both systems use tight control of peoples freedoms and the economy.
Communism aims to make all workers equal, while Fascist want all power to go to the State/Nation.
Answers
Communism has all of the economic power. They share all good even though it may not end up that way. On the other hand we facism, which is where the people have a little bit less economic restraints but do everything for the good of the nation.
Is Huntington's Disease caused from a mutated gene?
Answers
Yes,Huntington disease (HD) is caused by a change ( mutation ) in the HTT gene.
Select the best choice to match the description. Answers may be used more than once or not at all.This Starling force is roughly double the pressure in regular systemic capillaries because the amount of blood flow to the kidneys is 2X greater.
Answers
Glomerular hydrostatic pressure is the Starling force that is roughly double the pressure in regular systemic capillaries because the amount of blood flow to the kidneys is 2X greater.
Glomerular blood hydrostatic pressure (GBHP) promotes filtration by forcing blood plasma water and solutes through the glomerular filter. The glomerular capillary blood pressure (GBHP) is approximately 55mm Hg. 2. The backpressure that opposes filtration is known as capsular hydrostatic pressure (CHP). The afferent and efferent arteriolar resistance, as well as the renal artery pressure, influence the glomerular capillary hydrostatic pressure (3). An increase in afferent arteriolar diameter (a decrease in resistance) results in an increase in glomerular capillary hydrostatic pressure and GFR.
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Are cells living or non living
Answers
Answer:
CELLS! Living things use energy, move, consume water and food, etc. Any individual form of life that is capable of growing and reproducing is considered an organism. All organisms get water and other materials from the environment.
Explanation:
What is the sidereal period used in Kepler's third law?
A.
the time taken by the planet for one rotation around its axis
B.
the time it takes for a planet to complete one orbit with respect to the background of fixed stars
C.
the orbital period of a planet as it revolves around the Sun as observed from Earth
D.
the time taken by the planet to transition from day to night
E.
the time taken by the planet to travel from the aphelion to the perihelion
Answers
Answer: c
Explanation:
Which of the following organisms is a heterotroph? a) Rose b) Pine tree c) Deep-sea tubeworm d) None of these
Answers
Since the given organisms prepare their own food, hence none of the organisms mentioned are heterotrophs. Thus, the correct answer is Option D.
Heterotrophs are organisms that depend on other species (plants and animals) for food since they are unable to prepare it for themselves. They are dependent on these producers for food, either directly or indirectly.
The rose and the pine tree, two of the choices given, are both autotrophs since plants can make their own food through photosynthesis. On the other hand, the deep-sea tubeworm is a chemoautotroph, meaning it gets its energy from inorganic substances in its surroundings.
Therefore, the correct answer is Option D.
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This is the question I need help with.
Answers
Answer:
b is most likely to be the answer
Explanation:
If the Carbon-14 found in a mastodon tooth went through 8 half lives, how old is the tooth? To help find the answer, use 5,000 years for the half life of Carbon-14. 8,000 years old 14,000 years old 30,000 years old 40,000 years old
Answers
Answer:
The age of the mastodon tooth is about 40000 years.
Explanation:
The presence of carbon-14 decreases exponentially in time. Let consider half-life of Carbon 14 in 5000 years. If the mastodon tooth went through 8 half lives, then we estimate its age in 40000 years.
The age of the mastodon tooth is about 40000 years.
What is the greatest advantage of using different methods that result in the same outcome?
Answers
Explanation:
I think that if you use different methods that result in the same outcome you will have more chances of getting the required result. This is because you don't know whether one of your methods might work or not, so having many of them help you.
Not sure if I'm correct or not but I hope this helps
this is not biology by the way its Science.
Question:Low viscosity lava is?
a.less runny.
b.more runny.
c.of more density.
d.of less density.
Please Help Me Figure it Out
Answers
Answer:
b
Explanation:
\(\huge{\textbf{\textsf{{\color{pink}{An}}{\red{sw}}{\orange{er}} {\color{yellow}{:}}}}}\)
d. of less density
I'm quite sure it correct...
select all that apply which of the following statements are true about the impact of resistance training on muscle growth? (more than one option may be correct.) multiple select question. a single bout of resistance exercise training involving large muscle groups increases blood levels of testosterone, insulin-like growth factor 1 (igf-1), and growth hormone. the addition of myonuclei to growing muscle fibers appears to be essential for optimal fiber hypertrophy in response to resistance training. initial hypertrophy of skeletal muscle fibers during the first few weeks of resistance training requires the addition of new myonuclei. an increase in the number of myonuclei in growing fibers results in a fluctuating ratio between the number of myonuclei and the size of the fiber.
Answers
All of the statements are true about the impact of resistance training on muscle growth.
A single bout of resistance exercise training involving large muscle groups does increase blood levels of testosterone, insulin-like growth factor 1 (IGF-1), and growth hormone. The addition of myonuclei to growing muscle fibers appears to be essential for optimal fiber hypertrophy in response to resistance training. Initial hypertrophy of skeletal muscle fibers during the first few weeks of resistance training requires the addition of new myonuclei.
An increase in the number of myonuclei in growing fibers results in a fluctuating ratio between the number of myonuclei and the size of the fiber. These statements show that resistance training is a highly effective method for increasing muscle growth and strength, and that it is important to continue training consistently in order to see optimal results.
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Use a flowchart to arrange the following steps in the catabolism of carbohydrates in the order by which they occur: the electron transport chain, the conversion of glucose to acetyl CoA, the hydrolysis of starch, oxidative phosphorylation, and the citric acid cycle.
Answers
The correct order of steps involved in catabolism of carbohydrates is: Hydrolysis of starch → Conversion of glucose to acetyl CoA → Citric Acid Cycle → Electron Transport Chain → Oxidative Phosphorylation.
The steps involved in the catabolism of carbohydrates in the order by which they occur are as follows:
1. Hydrolysis of Starch: Starch is broken down into glucose molecules through the process of hydrolysis.
2. Conversion of Glucose to Acetyl CoA: Glucose undergoes glycolysis, producing pyruvate which is then converted into acetyl CoA.
3. Citric Acid Cycle: Acetyl CoA enters the citric acid cycle, where it undergoes a series of reactions to produce energy-rich molecules such as NADH and FADH₂.
4. Electron Transport Chain: NADH and FADH₂ from the previous steps transfer their electrons to the electron transport chain, located in the inner mitochondrial membrane.
5. Oxidative Phosphorylation: As electrons move through the electron transport chain, protons are pumped across the membrane, creating a proton gradient. This gradient drives ATP synthesis through oxidative phosphorylation.
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Test your understanding by predicting how the sodium-potassium pump becomes integrated into the outer cell membrane. Find the statement that is false.
Answers
By predicting how the sodium-potassium pump becomes integrated into outer cell membrane. The prediction that is false is the mRNA coding into sodium pump is translated into the pump on two ribosomes.
What is sodium-potassium pump?The sodium-potassium pump is an enzyme (an electrogenic transmembrane ATPase) present in the membrane of all animal cells. It is also known as sodium-potassium adenosine triphosphatase, Na+/K+-ATPase, or sodium-potassium ATPase. It serves a number of purposes in cell physiology.
The enzyme Na+/K+-ATPase is activated (i.e. it uses energy from ATP). Three sodium ions are exported and two potassium ions are imported for each ATP molecule used by the pump. As a result, each pump cycle results in the net export of one positive charge.
There are four distinct sodium pump isoforms or subtypes in mammals. Each has distinct qualities and patterns of tissue expression. The P-type ATPase family includes this enzyme.
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By foreseeing the integration of the sodium-potassium pump into the outer cell membrane. The incorrect assumption is that two ribosomes translate the mRNA encoding the sodium pump into the pump.
What is sodium-potassium pump?The membrane of every animal cell has an enzyme called an electrogenic transmembrane ATPase, which is known as the sodium-potassium pump. It is also referred to as Na+/K+-ATPase, sodium-potassium ATPase, or sodium-potassium ATPase. It has several functions in cell physiology.
Activation of the enzyme Na+/K+-ATPase (i.e. it uses energy from ATP). For every ATP molecule the pump uses, three sodium ions are exported and two potassium ions are imported. As a result, one positive charge is net exported throughout each pump cycle.
In mammals, there are four unique subtypes or isoforms of sodium pumps. Each has unique characteristics and tissue expression patterns. This enzyme is a member of the P-type ATPase family.
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Which mutation changes the number of chromosomes in the cell
Answers
Answer: aneuploidy
A gain or loss in the number of chromosomes from the normal 46 is called aneuploidy. A common form of aneuploidy is trisomy, or the presence of an extra chromosome in cells. "Tri-" is Greek for "three"; people with trisomy have three copies of a particular chromosome in cells instead of the normal two copies.
Part A: Analyze the experimental setup. Explain if students effectively managed the variables in this experiment.
Part B: Describe how the activity of pepsin changes as pH increases. Use data from the table to support your answer.
Answers
Answer:
I'm curious but I gave no Idea
Provide evidence that this pedigree for a dominant trait
Answers
This pedigree is for recessive trait. In general, we need to examine the pattern of inheritance to establish whether the pedigree indicates a dominant or recessive trait. An individual must inherit two copies of the recessive allele, one from each parent, for the recessive trait to appear. A person will be a carrier of the trait but will not display it if they have only one copy of the recessive gene.
Therefore, we would anticipate seeing unaffected parents and affected offspring in a pedigree for a recessive trait because they may be carriers of the trait. It is therefore more likely to be a recessive trait if the pedigree exhibits a pattern whereby unaffected parents have affected children.
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Your question is incomplete, most probably the complete question is:
Is the trait being tracked in the pedigree a dominant trait or a recessive trait? Provide specific evidence from the pedigree (in terms of generation and individual’s numbers) and reasoning to support your claim.
DNA is duplicated during a process called
Answers
Answer:
DNA replication
Explanation:
Explain what happens during reverse transcription.
Answers
During reverse transcription from the RNA, the DNA is formed, and this is done by the enzyme called reverse transcription, which is generally found in some of the viruses and pathogens.
What is the significance of the enzyme reverse transcriptase?This enzyme makes the DNA from the RNA, and when the virus having such an enzyme affects the cell, the virus makes the RNA and later the DNA, and then puts its own genome in the human genome that causes diseases.
Hence, during reverse transcription from the RNA, the DNA is formed, and this is done by the enzyme called reverse transcription, which is generally found in some of the viruses and pathogens.
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in a mesophyll cell of a leaf, the synthesis of atp occurs in which of the following? i. ribosomes ii. mitochondria iii. chloroplasts
Answers
In a mesophyll cell of a leaf, the synthesis of ATP occurs in the mitochondria organelle type during a chemical process called cellular respiration (Option ii).
What is the chemical process of cellular respiration?The chemical process of cellular respiration is a pathway used to generate ATP in aerobic conditions, which requires energy from carbs in order to generate this high energy molecule.
Therefore, with this data, we can see that the chemical process of cellular respiration occurs in the mitochondrial and requires oxygen and chemical energy from carbs.
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Explain how different temperatures will affect the activity of yeast and whether the bread will rise?
Answers
Lower temperatures will slow down the activation
Explanation:
Yeast has an optimum temperature of around 30-40 degrees Celsius. If the temperature is within this range, the yeast will be activated quickly and so the bread will also rise quickly. Below this temperature, the yeast will either be activated very slowly (bread would rise slowly) or it would not be activated at all (bread would not rise). Above the specified range and the yeast will possibly be denatured/killed, which will mean that the bread will not rise
Match the LOM to its SOM.
Carbs
Fats
Protein
III
:: Amino Acids :: Glucose
:: Fatty Acids and Glycerol
Answers
Carbs ➡️ Glucose
(sugar is a carb, Suffix in chemistry meaning carbohydrate, such as glucose.)
Fats ➡️ Fatty Acids and Glycerol
(fats consist of three fatty acids and a glycerol)
Protein ➡️ Amino Acids
(alpha-amino acids make up proteins.)
PLEASE HELP!!
Some single-celled organisms, such as Paramecium, can be destroyed if osmosis is not regulated. These organisms maintain homeostasis by using __________ to expel extra water. *
Endocytosis
Contractile Vacuoles
Exocytosis
Sodium-Potassium Pump
Answers
Answer: Contractile Vacuoles
In transcription within the nucleus, RNA is made through ____ pairing with the antisense strand in _____
Answers
In transcription within the nucleus, RNA is made through complementary base pairing with the antisense strand in DNA.
Transcription is the process by which genetic information encoded in DNA is used to synthesize RNA molecules. During transcription, an enzyme called RNA polymerase binds to a specific region of DNA called the promoter. The DNA double helix is unwound, exposing a template strand. The RNA polymerase then moves along the template strand, synthesizing a complementary RNA molecule by adding nucleotides in a 5' to 3' direction.
The antisense strand in DNA, also known as the template strand or non-coding strand, serves as a guide for RNA synthesis. The nucleotides in the RNA molecule are complementary to the nucleotides on the template strand. Adenine (A) in DNA pairs with uracil (U) in RNA, cytosine (C) pairs with guanine (G), guanine pairs with cytosine, and thymine (T) in DNA pairs with adenine.
This complementary base pairing ensures that the RNA molecule is a faithful copy of the genetic information encoded in the DNA. The resulting RNA molecule can then undergo further processing and be transported out of the nucleus to participate in protein synthesis or other cellular processes.
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Cells divide to make new cells.
Which part of the cell theory best relates to the above statement?
a
b
O O O O
Cells can only be seen using a microscope.
Cells come from preexisting cells.
Cells carry out similar functions.
Cells are the basic unit of life.
C
d
Answers
Answer:
Cells come from preexisting cells.
Explanation:
This statement relates to the statement that cells divide to make new cells.
In which organ does most digestion take place?
Answers
Answer:
The Small intestines..
How long does breast tenderness last during ovulation.
Answers
Breast tenderness during ovulation is caused by hormonal changes in the body, specifically an increase in estrogen levels. The duration of breast tenderness can vary from person to person, but typically lasts for a few days to a week.
It may occur during or after ovulation and can be accompanied by other symptoms such as bloating and mood swings. The severity of breast tenderness can also vary, ranging from mild discomfort to more intense pain. To alleviate symptoms, over-the-counter pain relievers and wearing a supportive bra may help.
However, if breast tenderness persists or is accompanied by other concerning symptoms, it is important to speak with a healthcare provider to rule out any underlying conditions.
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The statement, "Since every insect I have examined so far has six legs, I conclude that all insects must have six legs" is an example of
Answers
Answer:
This is inductive reasoning
Explanation:
Because it involves drawing a general conclusion from a set of specific observations, which in this case are the set of insects legs it also explains widening specific premises out into broader generalizations.
Which of the following is an example of a kind of question population ecologists can ask about populations?
a. What is the size of a single individual?
b. How many individuals are there in the population?
c. How does fitness of an individual change over time?
d. How do species interact with each other?
Answers
Population ecologists study the dynamics of populations and the interactions between populations and their environments. One of the fundamental questions they can ask is, "How many individuals are there in the population?" This question relates to the population's size, a key parameter in understanding population growth, survival, and stability. By estimating population size, ecologists can also study changes in population density over time, and examine how different factors such as predation, resource availability, and environmental disturbances affect population size and growth. Other questions that population ecologists can ask include "What is the age structure of the population?", "What is the distribution of individuals across space?", and "How does variation in individual traits affect population dynamics?". Understanding the answers to these questions can help us better manage and conserve populations and their habitats.
The correct answer to your question is:
b. How many individuals are there in the population
Population ecologists focus on understanding the factors that influence the size, growth, and distribution of populations in ecosystems. They ask questions about the dynamics of populations, such as birth and death rates, immigration and emigration, and the impact of various environmental factors. In this context, determining the number of individuals in a population is a key aspect of their study.
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Which of the following accounts for the transition from membrane-bound IgM to secreted IgM upon activation of a B cell?A. CSRB. Affinity maturationC. Alternative splicing of pre-mRNAD. Additional modification of nuclear DNA via RAG-1/2E. None of the above
Answers
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