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Deffense [45]
2 years ago
9

What did James Watson and Francis crick discovered

Biology
1 answer:
Luden [163]2 years ago
8 0
They both discovered dna
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Which of the following best describes the difference between selective breeding and natural selection?
gregori [183]

Answer:

I would say B

Explanation:

Selective breeding is done to achieve desired traits, while Natural Selection is done without human involvement.

6 0
3 years ago
A volcanic island rises from the sea. The lava from eruptions cools and becomes
barxatty [35]

Answer:

Primary Succession

Explanation:

Because i did it

8 0
3 years ago
An enzyme that copies DNA to make a molecule of RNA is:_______ A) RNA polymerase. B) DNA ligase. C) Restriction enzyme. D) Trans
Nutka1998 [239]

Answer:

The correct option is A) RNA polymerase.

Explanation:

RNA polymerase is an essential enzyme complex to carry out transcription, these enzymes are responsible for transcribing DNA into RNA. Using a DNA template, RNA polymerase builds a new RNA molecule through base pairing. This process is the first step of gene expression, and is called transcription. RNA polymerase binds to DNA in a very particular region or sequence, called a promoter.

7 0
3 years ago
Bro you’re literally a furry
pishuonlain [190]

Answer:

Yes.

Explanation: He is a fox :>

4 0
2 years ago
Read 2 more answers
Which characteristic differentiates amphibians from reptiles?
Stells [14]

Option D – amphibians may use their skin for gas exchange is the characteristic feature of amphibians that differs from reptiles.

Explanation:

The amphibian skin is moist, thin and marbled and supplied by blood vessels running on its surface. The moisture present in the skin dissolves the oxygen present in its surrounding which is absorbed by the blood vessels. Special glands help the amphibians to keep the skin moist.

The very thick and tough scales present on the reptiles prevent them to absorb oxygen through their skin. Hence, they breathe and respire through their lungs.

Amphibians have three-chambered heart. They do not develop amniotic eggs. Adult amphibians although spend much time on land, they breed only in water due to the absence of amniotic sac .

7 0
3 years ago
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