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zysi [14]
3 years ago
11

PLEASE ANSWER QUICKLY I'M IN A TEST

Chemistry
2 answers:
frosja888 [35]3 years ago
5 0

Answer:

D. It is found in the nucleus of a cell.

Explanation:

Friedrich Miescher first discovered DNA as a biomolecule. He isolated nuclein in which DNA is wrapped around cellular proteins such as Histones. Many years after Miescher's discovery it was proved that DNA is the hereditary material in cells. In the times of Miescher proteins were believed to be the molecules of hereditary.

Natasha_Volkova [10]3 years ago
4 0

D is the correct answer......

hope it help, please thank me if it did.....

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Answer: Magnesium Mg

Explanation:

Oxidization is the process by which a substance either gains oxygen or losses electrons.

The chemical reaction of the above is denoted by,

Mg(s) + 2HCl(aq) -----> MgCl2(aq) + H2(g)

Mg went from a 0 to a +2 state which would mean that it lost electrons.

It was therefore oxidized.

Please do react or comment if you need clarification or if the answer helped you. This can help other users as well. Thank you.

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Pachacha [2.7K]

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