Much of the Intracellular Structure of a Eukaryote Cell Is

Multiple Choice

Much of the intracellular structure of a eukaryote cell is involved in protein synthesis. The figure shows the amounts of protein in cells at different parts of the cell cycle between two cell divisions. G₁ is a stage just after the cell has divided, and G₂ is the stage just before the cell divides again. S is a stage when the cell is synthesizing material such as DNA, mitochondria, and other organelles.
-Most of the protein measured in the cells was likely synthesized by

A) mitochondria.
B) nucleolus.
C) smooth endoplasmic reticulum.
D) ribosomes.