Much of the intracellular structure of a eukaryote cell is involved in protein synthesis. The accompanying 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.
-The data show that
A) at any given time there are more cells in G2 than G1.
B) protein used in G1 is recycled to produce protein in S.
C) not all cells at any given stage have the same amount of protein.
D) protein levels in cells remain constant throughout the cell cycle.

Question

Much of the intracellular structure of a eukaryote cell is involved in protein synthesis. The accompanying 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.
-The data show that
A) at any given time there are more cells in G2 than G1. 
B) protein used in G1 is recycled to produce protein in S. 
C) not all cells at any given stage have the same amount of protein. 
D) protein levels in cells remain constant throughout the cell cycle.

Quizplus · Accepted Answer

The paragraph states that "not all cells at any given stage have the same amount of protein," indicating that protein levels vary between cells at the same stage of the cell cycle. Choices A, B, and D are not supported by the information given in the paragraph.

Much of the Intracellular Structure of a Eukaryote Cell Is