How does Earth's mass affect life on the planet?​

Typically, the more massive the planet, the more massive the atmosphere it can acquire and maintain. This is important because the mass of a planet's atmosphere will directly influence its climate. The location of the “habitable zone” around a star will therefore be a function of the mass of the planet in question.

Explanation:

regulation of gene expression. gene expression can be regulated by various cellular processes with the aim to control the amount and nature of the expressed genes. these regulatory proteins bind to dna and send signals that indirectly control the rate of gene expression

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