Why Has the Surface Temperature of Earth Varied Throughout Geologic

question 43

Essay

Why has the surface temperature of Earth varied throughout geologic history?

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Definitions:

mRNA

Messenger RNA, a type of RNA that carries instructions from DNA for the synthesis of proteins.

Transcription

The procedure that involves copying the details from a DNA strand into a newly formed molecule of messenger RNA (mRNA).

Translation

The process in molecular biology whereby the genetic code carried by mRNA is decoded to produce the specific sequence of amino acids in a polypeptide chain.

Messenger RNA

A type of RNA that carries genetic information from DNA to the ribosome, where proteins are synthesized.