PLEASE HELP BY TONIGHT: The ability to taste phenylthiocarbamide (PTC) is controlled in humans by a single dominant allele (T). A woman who is a nontaster married a man and they had three children, two boy tasters and a girl nontaster. All the grandparents were tasters. Create a pedigree of this family of this trait. Solid symbols should signify nontasters. Where possible, indicate whether the tasters are TT or Tt.
Answers
Answer:
T (TT)
|
Tt
/ \
Tt tt
/
TT Tt
Explanation:
In this pedigree, the solid symbols (circles or squares) represent nontasters (tt), and the open symbols (circles or squares with a horizontal line) represent tasters (TT or Tt). The parents of the three children are both tasters (Tt), and both sets of grandparents are tasters (TT). The two boys are tasters (TT or Tt), and the girl is a nontaster (tt).
Related Questions
6. The analysis of data gathered during an experiment is necessary in order to
1. formulate a hypothesis for that experiment
2. develop a research plan for that experiment
3. design a control for that experiment
4) draw a valid conclusion for that experiment
Answers
Answer:
4. draw a valid conclusion for that experiment
Explanation:
6. Compare the DNA of an offspring to the DNA of its parents.
Answers
Answer: In DNA the parent duplicates itself through a process known as mitosis. Any offspring is going to have the same exact DNA as the parent. (same characteristics, everything).
The comparison of the DNA of an offspring to the DNA of its parents is determined by the fact that every offspring gets 50% of its genome from each parent, but it is always a different 50%.
How does the DNA of parents compare to that of offspring?In the process of sexual reproduction, meiosis produces haploid gametes that fuse during fertilization to produce a diploid zygote. In other words, an offspring inherits half of the genetic material from each parent. The children resemble their parents, but they are not identical to them.
During the process of meiosis, gametes get a random chromosome from each pair. This means that there are over 8 million possible DNA combinations from 23 chromosome sets. Due to this, the difference in the genetic material or DNA sequences is occurred due to the process of variations between them while DNA copying.
Therefore, the comparison is made due to the mechanism through which every offspring gets 50% of its genome from each parent, but it is always a different 50%.
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identify the highlighted vessel. anterior of the whole heart model. the highlighted vessel is blue and located at the topmost portion of the image. the highlighted vessel connects to a heart chamber on the upper left side of the image.identify the highlighted vessel. inferior vena cava superior vena cava left brachiocephalic artery left pulmonary artery
Answers
The superior vena cava carries blood away from the chest, arms, head, and neck. the two principal arteries that return blood to the heart. The right atrium (RA), also known as the right upper chamber of the heart, receives the oxygen-poor blood. Thus, option B is correct.
What is the role of superior vena cava?One of the two principal veins carrying deoxygenated blood from the body to the heart is the superior vena cava. The superior vena cava receives blood from the head and upper body and empties into the right atrium of the heart.
Your upper torso contains a large vein called the superior vena cava. Your head, neck, upper chest, and arms all send blood to your heart through this vessel.
When the superior vena cava is partially squeezed or obstructed, a condition known as superior vena cava syndrome (SVCS) results.
Therefore, superior vena cava located at the topmost portion of the image.
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The Fifth Amendment protects people from having to testify against themselves in court. allow their property to be searched. accept a court-appointed lawyer. answer questions posed by police.
Answers
Answer:
to testify against themselves in court
Explanation:
Answer:
The answer is A
Explanation:sorry if im wrong TwT
what is the theory of revolution
Answers
Answer:
In political science, a revolution (Latin: revolution, "a turn around") is a fundamental and relatively sudden change in political power and political organization which occurs when the population revolts against the government, typically due to perceived oppression (political, social, economic) or political incompetence.[1]
PLEASE HELP 8. Explain cellular respiration
Answers
Answer:
Cellular respiration is the process by which living cells break down glucose molecules and release energy. The process is similar to burning, although it doesn’t produce light or intense heat as a campfire does. This is because cellular respiration releases the energy in glucose slowly, in many small steps. It uses the energy that is released to form molecules of ATP, the energy-carrying molecules that cells use to power biochemical processes. Cellular respiration involves many chemical reactions, but they can all be summed up with this chemical equation:
C6H12O6+6O2⟶6CO2+6H2O+Energy
where the energy that is released is in chemical energy in ATP (vs. thermal energy as heat). The equation above shows that glucose ( C6H12O6 ) and oxygen ( O2 ) react to form carbon dioxide ( CO2 ) and water H2O , releasing energy in the process. Because oxygen is required for cellular respiration, it is an aerobic process.
Cellular respiration occurs in the cells of all living things, both autotrophs and heterotrophs.
Explanation:
5
What is the main idea of this text?
A
No two human microbiomes are the same.
B
The human body is a diverse ecosystem made up of microbes.
C
Some bacteria cause infections and even life-threatening diseases.
D Some scientists think that infants who lack exposure to microorganisms
develop a higher rate of allergies.
Answers
Answer:
What is the text?......
What are Bald eagle homologous structures
Answers
The wing of a bald eagle is homologous to the wing of a penguin. Homologous structures are structures that are of similar evolutionary origin.
How do we explain?Homologous structures are described as anatomical features found in different species that have a common evolutionary origin. These structures may have different functions in different organisms, but they share a similar underlying structure and can be traced back to a common ancestor.
The wing of a bald eagle and the wing of a penguin are considered homologous structures because they both evolved from a common ancestral structure, even though they serve different purposes which is flight in the case of the bald eagle and swimming in the case of the penguin.
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which feature of model 1 best illustrates how biological information is coded in a DNA molecule
The five and three labels at the end of each strand
The labeling of the hydrogen bonds between base pairs
The lines connecting sugars and phosphate groups that represent covalent bonds
The linear sequence of the base pairs
Answers
Answer:
model 2
Explanation:
please mark brainliest...
How could you adapt the
apparatus shown in Figure 1.9
to find out:
a) if other animals produce
carbon dioxide
b) if plants produce carbon
dioxide?
Answers
Answer:
with the presence of oxygen
Which option uses the monitoring method to check the growth of invasive species?
a. Digging of the species
b. Tilling the land
c. Spraying pesticide
d. Cleaning of ship ballast
Answers
Answer:
The answer is A
Explanation:
Invasive species are species that thrive unregulated in an introduced environment/ habitat and affect the biodiversity of the environment. They boom unchecked mostly due to lack of a natural predator. Therefore, introducing a predator will limit their growth.
The option that uses the monitoring method to check the growth of invasive species is digging of the species. Thus, the correct option is A.
What are Invasive species?Invasive species may be defined as those species of organisms that cause ecological or economic threats in a new environment where it is not native.
The invasive species harm the biodiversity of new habitats significantly. In order to prevent this, the specific predators of such species are introduced.
The process of digging of the species also helps in monitoring the growth of invasive species.
Therefore, the correct option for this question is A.
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Neurons are either classified by their structural differences or their ? differences.
Answers
why will the characteristics of a bug population change in different ways in response to different types of predators
Answers
The characteristics of a bug population, such as size, behavior, and reproductive patterns, may change in response to different types of predators due to selective pressures imposed by each predator.
Different predators may have different hunting strategies and preferences, which can lead to differential selection pressures on the bug population. For example, a predator that targets larger bugs may select for smaller body size, while a predator that targets bugs with bright colors may select for duller coloration.
Additionally, different types of predators may have varying levels of effectiveness in controlling bug populations, which can also impact their characteristics over time. The presence of predators can also impact the behavior of bug populations. Bugs may alter their activity patterns, foraging strategies, or mating behaviors to avoid or minimize the risk of predation.
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Organisms that complete the final breakdown and recycling of organic materials from
the remains of all organisms are the
detritivores
omnivores
decomposers
O carnivores
Answers
Answer:
decomposers
Explanation:
These are heterotrophic organisms that feed on dead animals and plants, secretions, or discarded parts of living beings, that is, organic matter.
And they break it down into inorganic.
Thus, inorganic substances that can be reused in the process of photosynthesis are returned, recycled, to nature.
what is the most likely explanation for the very low fecundity of species such as whales, humans, and elephants?
Answers
The most likely explanation for the very low fecundity of species such as whales, humans, and elephants is the high investment in parental care, which is a distinctive feature of K-selected species (Option C).
What are ecologically K selected species?Ecologically K selected species such as humans and elephants are those that invest many of their energies in parental care of small offspring amount, which is a reproductive strategy to have success in a very competitive environment.
Conversely, R species have many offspring and they are characterized to invest low amounts of time in parental care.
Therefore, with this data, we can see that ecological K-selected species are those that have a small number of offspring and their strategy is to maximize parental care.
Complete question:
What is the most likely explanation for the very low fecundity of species such as whales, humans, and elephants?
a. Low probability of offspring survival
b. Density-dependence
c. High investment in parental care
d. High mobility
e. All of the above
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Answer the following questions. When you have finished, submit this assignment to your teacher by the due date
for full credit.
Total score:
of 10 points
(Score for Question 1: of 5 points)
1. What happens to the energy of a wave if the amplitude of the wave is doubled?
Type your answer here:
(Score for Question 2: of 5 points)
2. How does the frequency of a wave relate to the energy of the wave?
Type your answer here:
Answers
1. The energy of the wave is quadrupled if the amplitude is doubled.
2. The frequency of a wave is not directly related to its energy.
1. When the amplitude of a wave is doubled, the energy of the wave increases. The amplitude of a wave represents the maximum displacement of particles in the medium from their equilibrium position. As the amplitude increases, the particles oscillate with greater displacement, resulting in more energy being transferred through the wave.
The energy of a wave is directly proportional to the square of its amplitude. This means that if the amplitude is doubled, the energy of the wave will be quadrupled (increased by a factor of four). This relationship holds true for various types of waves, including mechanical waves like sound waves and electromagnetic waves like light waves. Therefore, doubling the amplitude of a wave leads to a significant increase in its energy content.
2. The frequency of a wave is not directly related to its energy. The frequency of a wave refers to the number of complete oscillations or cycles it undergoes per unit of time. On the other hand, the energy of a wave is determined by its amplitude, which represents the magnitude or intensity of the wave.
While frequency and energy are independent properties of a wave, they can indirectly affect each other. For example, in certain wave phenomena, such as the photoelectric effect, higher frequencies of electromagnetic waves (e.g., light) are associated with higher energy photons. However, this relationship is specific to certain interactions and is not a general rule that applies to all types of waves.
In summary, the frequency of a wave and its energy are distinct properties. The energy of a wave is primarily determined by its amplitude, while frequency relates to the number of oscillations per unit of time.
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Question 5 of 5
Which two statements are true for both compounds and mixtures?
A. Their particles all have the same chemical formula.
B. Their particles are held together by chemical bonds.
C. They can be separated into two or more elements.
D. They are made up of more than one type of atom.
SUBMIT
Answers
The two statements that are true for both compounds and mixtures are:
Their particles are held together by chemical bonds.
They are made up of more than one type of atom.
Options B and D are correct.
How do we know?It is general knowledge that compounds and mixtures are made up of more than one type of atom.
In compounds, the atoms of different elements combine in fixed ratios to form distinct chemical compounds.
On the other hand, in mixtures, different substances which may be elements or compounds are known to be physically mixed together without forming new chemical compounds.
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Mg(ClO3)2-> MgCl2+ 3O2
How many grams of magnesium chlorate would you need to produce 5.00 liters of oxygen?
Answers
Therefore, 5L of O2 at STP is equivalent to (1 mole/22.4 L) x 5 L = 0.2083 mol of O2
From the balanced equation, 3 moles of O2 are produced by heating 1 mole of Mg(ClO3)2
Therefore, 0.2083 mol of O2 is produced by (1/3) x 0.2083 = 0.0694 mol of Mg(ClO3)2.
Molar mass of Mg(ClO3)2 = 191.32 g/mol
Therefore, the mass of Mg(ClO3)2 required is 0.0694 mol x 191.32 g/mol = 13.28 g
Assume that r max is 1.0 and the carrying capacity is 2,000. calculate the population growth rate when n= 2,100 and when n = 2.500 individuals.
Answers
Answer:
Answer my recent question
A displacement reaction is when the different parts of compounds swap due to changes in?
Answers
Answer:
Explanation:
A displacement reaction occurs when a more reactive element displaces, or pushes out, a less reactive element from a compound that contains the less reactive element
Read each question carefully. Write your response in the space provided for each part of each question. Answers must be written out in paragraph form. Outlines, bulleted lists, or diagrams alone are not acceptable and will not be scored.
White blood cells called B cells produce proteins that can be used for the treatment of certain illnesses. However, these B cells do not live for very long on their own. To keep the B cells growing for a long time in laboratories, scientists fuse the B cells with cancer cells (fused B-cancer cells) that do grow for a very long time. The particular cancer cells used for the fusion are treated with chemicals that make them unable to produce the nitrogenous bases adenine and guanine, but the B cells with which they are fused do produce these nitrogenous bases. The scientists grow the large fused B-cancer cells in a growth medium that contains necessary nutrients for the cells and includes a source of carbon.
(a) Describe the role of carbon in biological systems.
(b) The membranes of both B cells and the cancer cells are largely composed of phospholipids. Explain how, when the membranes are fused, the polar parts of the phospholipids from one cell will interact with the phospholipids from the other cell and how the nonpolar parts of the phospholipids from one cell will interact with the phospholipids from the other cell.
(c) Make a claim about the most immediate effect on the fused B-cancer cells if the fused cells are transferred to a growth medium that lacks a source of nitrogen.
(d) Provide reasoning with evidence based on the composition of biological macromolecules to support your claim.
Answers
Answer: they can be ruduce
Explanation:
Reproduction is one of the characteristics of life. Which of the following choices is an example of reproduction?
A. Skin cells dividing.
B. Development of a tadpole into a frog.
C. Bacterial cells dividing.
D. Copying of DNA during DNA replication.
Answers
Answer:
C, bacterial cells dividing
Explanation:
because these are simple, one celled organism, they don't reproduce with male and female, instead they go through mitosis which is when a cell divides into two to reproduce. while A does include this, since skin belongs to a bigger organism it doesn't count as reproduction. B talks about development/growth, and D talks about something completely different to reproduction. hope it helped
can you fertilize an egg with DNA?
Answers
Answer:
In the procedure, the grouped-together DNA from a mother's egg was removed and placed inside a donor egg from another woman, which had been emptied of its DNA.
Explanation:
The donor's egg with the mother's genes was then fertilized and developed into an embryo.
Part 1. Gene Cloning
1) How is a gene inserted into a plasmid cloning vector? Be specific, but be brief. No more than 2 (non-run-on) sentences please, and do not exceed this space.
2) A geneticist has transformed a vector with an ampicillin resistance gene into E. coli cells and plated those cells on media containing ampicillin. She comes back 24 hours later and sees only blue colonies on the media.
a) How does she know that the cells growing on the media were successfully transformed with the vector?
b) What does it mean that the colonies are blue?
Answers
In terms of genetics and genomics, cloning refers to the use of scientific techniques to create exact or nearly exact duplicates of an organism, cell, or DNA sequence.
Thus, In most cases, the term "molecular cloning" refers to isolating and duplicating a specific DNA segment of interest for future research.
The term "cloning" refers to a laboratory procedure that creates millions or even billions of copies of a single molecule, most frequently DNA. In contrast to how the terms cellular cloning and organism cloning are used in reproductive genetics, this is not cloning.
We can investigate the molecules in the lab by amplifying or creating numerous copies of the DNA using molecular cloning.
Thus, In terms of genetics and genomics, cloning refers to the use of scientific techniques to create exact or nearly exact duplicates of an organism, cell, or DNA sequence.
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You isolate an organism from a water sample and test it with a catalase test and grow it in thioglycollate medium. The results showed bubbling after the addition of hydrogen peroxide and a band of growth at the top of the thioglycollate tube. What is the most likely oxygen classification of your organism
Answers
Answer: The most likely oxygen classification is OBLIGATE AEROBIC ORGANISM.
Explanation: Most medically important bacteria can be grown artificially in the laboratory provided the atmospheric conditions and temperature are correct and the culture medium used contains the required nutrients.
The thioglycollate medium is used to differentiate oxygen requirements in an isolated organisms. While catalase test is used to differentiate catalase producing from non-catalase producing organisms.
Differences in the effect of oxygen on bacterial growth provide a further way of classifying bacteria:
● OBLIGATE AEROBES, which require free oxygen to grow,
● obligate anaerobes, which are unable to grow in free oxygen,
● facultative anaerobes, which can grow in conditions in which oxygen is present or absent,
● microaerophiles which grow best in conditions of reduced oxygen concentration.
The most likely oxygen classification is OBLIGATE AEROBIC ORGANISM because from the result of the test carried out on the isolated organisms,
--> The organism is catalase positive as it was able to breakdown hydrogen peroxide to oxygen and water( bubbling after the addition of hydrogen peroxide confirmed it as positive). Catalase is an enzyme produced by all aerobic organisms.
--> while in the thioglycollate medium the organism grew at the top of the test tube in order to absorb maximal amount of oxygen.
Which of the following statements about the energy needs of cells is false?
1. The most usable energy for cells comes from the rapid combustion of glucose
2. Many cellular reactions have an associated activation energy
3. The laws of thermodynamics force cells to acquire energy
4. Without a continuous input of energy, cell disorder will increase
Answers
Answer:
A the most usable energy for cells comes from the rapid combustion of glucose
The statement 'the most usable energy for cells comes from the rapid combustion of glucose' is FALSE (Option 1).
Glucose is a simple carbohydrate that provides a rapid energy source to the cells.In animals, glucose is used to produce glycogen, which is a complex carbohydrate that provides a long-term source of energy.All metabolic reactions in a cell depend on the presence of activation energy, which generally is provided by ATP, the energy coin of the cell.In conclusion, the statement 'the most usable energy for cells comes from the rapid combustion of glucose' is FALSE (Option 1).
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A group of squirrels living in the same area and competing for similar resources is called a
Answers
The two nucleotides called adenine (A) and Guanine (G) are referred to as purines and Cytosine (C) and Thymine (T) as pyramidines. Looking at the structure of the nucleotide molecules why are A and G grouped together and C and T grouped together. What makes A and G more similar in structure to each other and different from C and T? [Hint- focus on the number of rings in the nitrogenous base]
Answers
Purines, A and G are similar in structure as they both have two-ringed structures with four nitrogen atoms while the Pyrimidines, T, and C have single-ringed structures with only two nitrogen atoms.
Purines and Pyrimidines are nitrogenous bases that are building blocks of nucleic acids DNA and RNA. A purine is an organic compound whose pyrimidine ring is fused with an imidazole. A Pyrimidine is an organic compound that is similar to benzene and pyridine.
Purine forms two nucleobases in the DNA and RNA namely Adenine and Guanine. Pyrimidines consist of three nucleobases in DNA and RNA namely Uracil, Cytosine, and Thymine.
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What is the surface of the Earth called?
Crust
Mantel
Inner core
Outer core
Answers
Answer:
crust
Explanation:
in sector 3, stratum D looks like it disappears. which law makes you expect to find stratum D in sector 3? what could explain the absense of stratum D from sector 3?
Answers
The Law of Original Horizontality is the aw makes you expect to find stratum D in sector 3.
The reason why there is no stratum D in sector 3 might be because of natural earth changes like geological events.
What is the Law of Original HorizontalityThe Law of Original Horizontality is a basic rule in geology that says sedimentary rock layers are first put down in flat or mostly flat layers. This rule assists geologists in determining how rocks are placed in relation to one another in a geological formation.
So, If the rule that says rock layers are usually formed in flat, horizontal layers applies to this specific place we are studying, it means that layer D should be here in sector 3.
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