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sattari [20]
3 years ago
8

Why was the discovery of a natural clock so important

Biology
1 answer:
Lynna [10]3 years ago
4 0
The discovery of a natural clock was so important because it allowed a more easier way to check time than to use the sun, or sigils.
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frosja888 [35]

Answer:

The correct answer would be calcium ion and cAMP.

Secondary messengers refers to the intracellular signaling molecules which pass the signals from the receptors located on the surface of the cell to the target molecule present within the cell.

The secondary messengers can be classified into three major class:

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Hence, from the given options, calcium ion and cAMP would make the correct choice.

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