BIOLOGY HIGH SCHOOL

10) In humans, the ability to taste PTC is due to an autosomal completely dominant allele. In Blue Ball, PA the frequency of the dominant allele is 0.30. In this town, what is the frequency of people who can taste PTC? Show your work.

Answers

Answer 1
Answer: by a hasertice suplimet if one shall think

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Mammals are characterized byA. warm-bloodedness and feathers. B. hair and feathers. C. mammary glands and hair. D. hair and shelled eggs.
____ is a process by which organisms with characteristics suited to the environment will survive and reproduce. a. natural selection c. evolution b. artificial selection d. organic evolution
Glucose is a simple sugar made up of carbon, hydrogen, and oxygen. What kind of molecule is glucose?

A scientist who conducted an experiment obtained an unexpected result. What will she most likely do with the unexpected result?

Answers

Experiment furthers to confirm the result, and examine it's possible effects.

In cold climates, the amount of snow on the ground may decrease even if the temperature stays below zero degrees Celsius. The process that best explains this event isa. condensation.
b. sublimation.
c. melting.
d. evaporation.

Answers

In cold climates, the amount of snow on the ground may decrease even if the temperature stays below zero degrees Celsius. The process that best explains this event is B. sublimation. 

The answer is b) sublimation.

Carbohydrates _____. in the body are primarily fats
are primarily sugars and starches
are the most readily available source of energy for organisms
are the largest of the four main biological macromolecules

Answers

Answer:

are the most readily available source of energy for organisms is the correct answer.

Explanation:

  • Carbohydrates contain hydrogen, carbon, and oxygen.
  • Carbohydrates are the most readily available source of energy for organisms.
  • It is the most necessary source of energy for human diets.
  • Carbohydrates are broken down into sugars(fructose, galactose, and glucose)and it used as the source of energy.
  • Carbohydrates are present in fruits, vegetables, grains, and milk products.
  • Carbohydrates are the simplest form of nutrition and it is metabolized our bodies that whys it is considered an available source of energy.
are the most readily available source of energy for organisms.

Prokaryotic cells reproduce by

Answers

Prokaryotic cells reproduce by binary fission , which includes the chromosomes splitting into two equal parts.

The chemical that promotes phototropism is _____.-auxin
-gibberellin
-cytokinin
-abscisic acid (ABA)

Answers

I believe the correct answer from the choices listed above is the first option. The chemical that promotes phototropism is auxin. Phototropism is the growth of an organism which responds to a light stimulus. Auxins are plant hormones that are used in growing.
I belive that it is auxin

Fastest neurons can send impulses at miles per hour

Answers

The answer is 250 miles per hour.

To communicate, neurons send impulses to other neurons or muscle cells. Depending on the nature of information needed to be sent, some impulses are faster than the other. For example, if a person burns its hand, the information must be quickly sent to the central nervous system for quick reaction. Some impulses can achieve 250 miles per hour. But, for this, axon must be well insulated and very thick.
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Complete this sentence: Most living things use ____________ to make ____________ from glucose.a. oxygen, NAD+ b. ATP, oxygen c. oxygen, ATP d. NADH, NAD+
A scientist observes thymine-thymine pairing in DNA instead of the expected thymine-adenine nucleotide pairing. What is most likely to have caused this change?A. a mutation in a gameteB. nondisjunction of chromosomesC. a new gene resulting from crossing overD. mutations induced by the environment
Genes that carry contrasting inheritance factors are called _____. heterozygotes homozygotes alleles
Explain how a leaf is like a factory?