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Deffense [45]
2 years ago
10

What is chemical reaction

Biology
1 answer:
Kay [80]2 years ago
6 0

Answer:

A chemical reaction is a process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form or a nuclear reaction.

Explanation:

Hope this helps

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2 years ago
plz help!!! If this is a sequence of one DNA strand, what is the complementary sequence of the other DNA strand? DNA: A T T C A
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Answer:

T A A G T C G C T

Explanation:

DNA strand:                             A T T C A G C G A

complementary DNA strand:  T A A G T C G C T

This is a very important rule:

Four kinds of nitrogenous bases in DNA: Adnine (A), Thymine (T), Guanine (G), Cytosine (C)

And this is how they're coupled:

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For example::

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complementary strand:        T A C G

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