DNA replication takes place during

1. G1–phase
2. G2–phase
3. S–phase
4. Prophase

Subtopic:  Intro to Cell Cycle & Interphase |
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What is the inactive stage called where cells exit the G1 phase and do not divide further but remain metabolically active?
1. G2 Phase 2. S Phase
3. M Phase 4. G0 Phase
Subtopic:  Intro to Cell Cycle & Interphase |
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Correct sequence of stages in cell cycle is 

1. G1, S, G2, M 
2. G1, G2, S, M 
3, M, S, G1, G2
4. G2, G1, M, S 

Subtopic:  Intro to Cell Cycle & Interphase |
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What percentage of the cell cycle duration does the interphase last in a typical human cell with a 24-hour cycle?
1. About 50% 2. About 75%
3. More than 95% 4. Less than 50%
Subtopic:  Intro to Cell Cycle & Interphase |
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In the 24 hour average duration of cell cycle of a human cell, cell division proper lasts for:
1. only one hour 2. about six hours
3. nearly 10 hours 4. almost 20 hours
Subtopic:  Intro to Cell Cycle & Interphase |
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The following diagram refers to a typical cell cycle.

Identify the parts marked as X, Y and Z.

   

1. X - G1; Y - S; Z - G2 
2. X - G2; Y - S; Z - G1
3. X - G0; Y - S; Z - G2
4. X - G1; Y - G2; Z - G0
Subtopic:  Intro to Cell Cycle & Interphase |
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Consider the given statements regarding the 24 hour average duration of cell cycle of a human cell:
I: The M Phase represents the phase when the actual cell division takes place.
II: The interphase represents the phase between two successive M phases.
III: Cell division proper lasts for only about 50% of the duration of the cell cycle.
IV: The interphase lasts for about 50% of the duration of cell cycle.
 
1. Only I and II are correct
2. Only III and IV are correct
3. Only I and III are correct
4. Only II and IV are correct
Subtopic:  Intro to Cell Cycle & Interphase |
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The number of chromosomes in G1 phase is 36, the number of chromosomes in S phase is

1. 36

2. 18

3. 22

4. 37

Subtopic:  Intro to Cell Cycle & Interphase |
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Yeast can progress through the cell cycle in about

1. 90 sec

2. 90 min

3. 90 hrs

4. 90 yrs

Subtopic:  Intro to Cell Cycle & Interphase |
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Match the phases of the cell cycle with their descriptions:
Column I Column II
1 G1 phase A DNA replication
2 S phase B Mitosis
3 G2 phase C Cell growth and preparation for DNA synthesis
4 M phase D Preparation for mitosis

1. 1-C, 2-A, 3-D, 4-B
2. 1-D, 2-C, 3-B, 4-A
3. 1-A, 2-D, 3-C, 4-B
4. 1-B, 2-A, 3-D, 4-C
Subtopic:  Intro to Cell Cycle & Interphase |
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