Apentix/AP Biology/Unit 2: Cell Structure and Function/Question

AP Biologyeasymcq1 pt

Which process occurs mainly inside the nucleus of a eukaryotic cell?

A.Translation of mRNA into polypeptide chains

B.Oxidative phosphorylation driven by an electron transport chain

C.Transcribing messenger RNA from a DNA template

D.Sorting hydrolytic enzymes into vesicles

Explanation

Core Concept

The nucleus houses the chromosomes, and transcription of RNA from DNA by RNA polymerase occurs there as the first step of gene expression. Primary transcripts are capped and spliced before export through nuclear pore complexes. Translation then proceeds on ribosomes in the cytosol or on the rough ER, and the other listed reactions belong to mitochondria and the Golgi or lysosomes.

Correct Answer

CTranscribing messenger RNA from a DNA template

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