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Genetics

Study Pack

Set 16 Gene Regulation In Prokaryotes

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Question 1

(Multiple Choice)

Free
The yeast Saccharomyces cerevisiae reproduces _______________,allowing easy determination of the cell-cycle stage in which a cell is found.

A) ambiguously
B) by fission
C) sexually
D) amorphously
E) by budding

Answer

Question 2

(Multiple Choice)

Free
The yeast Saccharomyces cerevisiae is particularly useful for genetic analysis of cell-cycle control because

A) it is prokaryotic,allowing it to divide rapidly.
B) mutant yeast cells form cancerous tumours.
C) reproduction by budding allows easy identification of the cell-cycle stage.
D) all cells in a culture remain at the same stage of the cell cycle.
E) yeast cells lack G1 and G2 stages.

Answer

Question 3

(Multiple Choice)

Free
The ____________ checkpoint is disrupted by mutations that alter p53 function.

A) G0-to-G1
B) G1-to-S
C) S-to-G2
D) G2-to-M
E) M-to-G1

Answer