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Rainbow [258]
2 years ago
15

Which of the following definitions is the best definition of a mutation?

Biology
1 answer:
slavikrds [6]2 years ago
3 0

Answer: I think the first answer would be the best option

Explanation:

A mutation is a permanent change in the order or bases in DNA

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The chemical energy of these plants all started with what energy source?
Zielflug [23.3K]

Answer:

Sun(solar energy)

Explanation:

The sun is the ultimate source of energy in our solar system.

The chemical energy in plants all started out with solar energy from the sun.

During the process of photosynthesis;

  • green plants manufactures their food using sunlight.
  • in the presence of this solar energy, they combine carbon dioxide and water to produce glucose and oxygen.

Photosynthetic reaction simply converts solar energy from the sun into chemical energy.

Almost all animals obtain their own energy needs from the plants converting the chemical energy into other forms of energy.

4 0
3 years ago
Wikang pambansa noon at ngayon​
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I guess hehe
3 0
3 years ago
In sheep, white is due to a dominant gene (W), black to its recessive allele (w). A white ewe mated to a white ram produces a bl
dedylja [7]

Answer:

Yes, 75%

Explanation:

Since the first offspring produced between the ram and the ewe was black you can determine that both sheep have a recessive and dominant allele. Both of the parent's genotypes would be Ww, this is because they both have the white phenotype and they were able to produce a black offspring. Since both parents have a genotype of Ww the probability of a black offspring being produced is 25% and 75% for a white lamb.

8 0
3 years ago
Which is an organ? <br><br> heart<br> circulatory system<br> blood<br> muscle tissue
DochEvi [55]

Answer:

Heart

Explanation:

8 0
3 years ago
Read 2 more answers
You are testing for nitrate reduction. The first test, which involves adding Trommsdorff reagent and dilute H2SO4, produces a bl
Kamila [148]

Answer:

The correct answer is - option a. positive.

Explanation:

Nittarte reduction is the test for the determinantion of the production of nitrate reductase enzyme through various test. One of the test is trommsdroff test.

This test involves trommsdroff reagent and dilute sulfuric acid that produce blue color if the reduction occurs and reductase present. This color is formed due to the conversion of ammonia to nitrate.

The correct answer is - option a. positive.

8 0
3 years ago
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