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#1 | Intro to Cell Cycle & Interphase
(Botany) > Cell Cycle and Cell Division

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Bacterium divides every 35 minutes. If a culture containing 105 cells per mL is grown for 175 minutes, what will be the cell concentration per mL after 175 minutes?

1. 5 x 105 cells

2. 35 x 105 cells

3. 32 x 105 cells

4. 174 x 105 cells

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The centrioles replicate during:
1. G1 phase
2. S phase
3. G2 phase
4. Early prophase

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Consider the given two statements:

l. During G1 phase the cell is metabolically active and continuously grows but does not replicate its DNA.

ll. During G2 phase, proteins are synthesized in preparation for mitosis while cell growth continues.

Of the two statements:
1. Only l is correct
2. Only ll is correct
3. Both l and ll are correct
4. Both l and ll are incorrect 

 88%
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If the DNA content of an onion tip cell is 2C at the end of the M-phase, what would be its DNA content at the end of the S-phase?

1. C

2. 2C

3. 3C

4. 4C

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During cell growth, DNA synthesis takes place in

(1) S-phase                       

(2) G1-phase

(3) G2-phase                     

(4) M-phase 

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