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devlian [24]
3 years ago
15

Please help there’s 3 questions at the bottom left.

Biology
1 answer:
Zarrin [17]3 years ago
8 0

please help there’s 3 questions at the bottom left.

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why adenine(A) and thymine(T) are in roughly equal amounts? and why cytosine(C) and guanine(G) are in roughly equal amounts.
d1i1m1o1n [39]

Answer:

A-T and C-G are complements so when there is an A in the nucleotide its complementary nucleotide will be a T, vice versa. This is the same with C-G as well.

5 0
3 years ago
A student wins a trophy. It is a metal cup on a black plastic base. The student cleans the trophy. She holds one of the metal ha
sineoko [7]

Answer:

  In this given statement , the plastic base becomes negatively charged because  plastic is an insulator . And the metal cup does not become charged because  metal is a conductor.                              

Explanation:

<u>Reason behind , why plastic base becomes negatively charged -:</u> When a plastic base is rubbed with a dry cloth in the metal trophy, electrons are shifted from one material to the other. Thus, the substance that gains electrons (which is the plastic base) becomes negatively charged. thus , the plastic is an insulator , which causes charge (negative ) by rubbing.

<u>Reason behind , why the metal cup does not become charged -:</u>  The metal cup is a conductor, and the surplus charge on the metal flows to the person who charges the cup and to the ground so that it is not charged. Thus, rubbing a metal can trigger hand\finger injury because metals generate excess heat in rubbing .

6 0
4 years ago
Which of the following differentiates viruses from bacteria? a. viruses need cells in order to replicate, bacteria do not b. vir
pogonyaev

Answer:

the answer would be a

Explanation:

7 0
4 years ago
Select the correct answer.
damaskus [11]

Answer:

OB هخشسؤةةحؤةىشؤحىشؤتىشكنؤىتنؤمشؤىشتؤىسشتؤلااؤ

4 0
3 years ago
Explain how MAGIC is possible.
Rama09 [41]
Jk rowling could not of just thought of all that hog warts stuff by herself so it had to be a real thing. it’s just tooooo detailed to be fake
5 0
3 years ago
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