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Yuri [45]
2 years ago
15

How does this model show what keeps Earth in orbit around the Sun?

Biology
1 answer:
anyanavicka [17]2 years ago
5 0

Answer:

A

Explanation:

"Gravity is the force that pulls Earth and stops it from going off in some other direction.” Without the sun's gravitational pull, Earth would move in a straight line away from the sun. Gravity is also the force that keeps the moon revolving around Earth.

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Answer:

The correct answer is a cofactor for enzyme activity.

Explanation:

Carboxypeptidase is a metallo-enzyme in which zinc is present at active site. It has been accounted for by Coleman and Vallee that the protein can be deactivated by the removal of zinc and that reactive again by the expansion of zinc, cobaltous, ferrous, nickel. which suggests that zinc is acting as the cofactor for this metalloenzyme. Zinc is a cofactor for up to 300 chemicals in the body. Proteins that utilization zinc as a cofactor is known as metalloenzymes.

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Explanation:

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Answer:

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