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Biotechnology - 24
Which of the following is the normal cell cycle, primarily regulated at checkpoints? A. Metaphase in mitosis B. Anaphase, G1 boundary C. G1-S boundary D. S-G2 boundary The phase of mitosis which is associated with the formation of the nuclear envelope, is A. prophase B. metaphase C. anaphase D. telophase At the __________ checkpoint, cell growth is controlled. A. C B. G1 C. G2 D. S A nuclear envelope forms around each set of sister chromatids in A. anaphase B. metaphase....
Thời gian bắt đầu: Hôm nay lúc 02:02:24(Server time)
Số câu hỏi: 10.   Tổng điểm: 10
Thời gian làm bài: 20 phút.  Thời gian còn lại: 
Cỡ chữ câu hỏi:  Cỡ chữ đáp án:
1-
Which of the following is the normal cell cycle, primarily regulated at checkpoints?
A-
Metaphase in mitosis
B-
Anaphase, G1 boundary
C-
G1-S boundary
D-
S-G2 boundary
2-
The phase of mitosis which is associated with the formation of the nuclear envelope, is
A-
prophase
B-
metaphase
C-
anaphase
D-
telophase
3-
At the __________ checkpoint, cell growth is controlled.
A-
C
B-
G1
C-
G2
D-
S
4-
A nuclear envelope forms around each set of sister chromatids in
A-
anaphase
B-
metaphase
C-
prophase
D-
telophase
5-
In which of the following phase preparations for genome separation are made?
A-
C
B-
G1
C-
G2
D-
M
6-
Cells which no longer divide (such as certain specialized cells found in the human brain) remain in which phase of the cell cycle?
A-
Prophase
B-
S phase
C-
G0 Phase
D-
Gl Phase
7-
The cell cycle is controlled in most cells by
A-
time (after a certain length of time the cell divides)
B-
a series of checkpoints
C-
cell size (when the cell reaches a certain size, it divides)
D-
different cells exhibit different control strategies
8-
How many chromatids does a diploid body cell contain just prior to cell division?
A-
23
B-
46
C-
69
D-
92
9-
DNA replication is controlled at which of the following checkpoint?
A-
G1
B-
G2
C-
M
D-
S
10-
Which of the following begins when pairs of sister chromatids align in the center of the cell?
A-
Anaphase
B-
Interphase
C-
Metaphase
D-
Prophase
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