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Gnom [1K]
2 years ago
14

Where did all living things come from? How did Reid’s experiment help to demonstrate this?

Biology
1 answer:
KATRIN_1 [288]2 years ago
3 0

Answer: its the first coments that hit earth

Explanation: when the coments came and hit the un-habitable earth, they seemed to carry small droplets of water, which in a result, started all life on earth.

the second one is...God. he created all life that currently roam earth today, it's all in the bible...but, it doesn't seem to add up but i bet it one of the two.

there's a documentry on this if you wanna know more!

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Lelechka [254]
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7 0
3 years ago
Hydroxylamine is a mutagen that acts only on cytosine and causes C-->T and G-->A base pair changes (i.e. it causes transit
natulia [17]

Options for the question are not given. They are as follows:

a. arg or lys

b. ala

c. thr

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e. Only termination codons

Answer:

d. leu or ser

Explanation:

Four codons code for proline amino acid. These are CCT, CCC, CCA, and CCG. Hydroxylamine causes C to change into T or G to change into A.

If first position is changed in each codon:

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CCA = TCA (UCA)

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If second position is changed in each codon:

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CCC = CTC (CUC)

CCA = CTA (CUA)

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7 0
3 years ago
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MrRissso [65]

Answer:

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Explanation:

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