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

Subtopic:  Intro to Cell Cycle & Interphase |
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The cell shown in the given diagram is in:

      

1. Early prophase

2. Late prophase

3. Metaphase

4. Telophase

Subtopic:  Cell Division: Mitosis (Karyokinesis) |
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In oocyte of some vertebrates, the stage of meiosis I that can last for months or years would be:

1. Zygotene

2. Pachytene

3. Diplotene

4. Diakinesis

Subtopic:  Cell Cycle: Meiosis I |
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When a cell stops growing, say due to shortage of nutrients, this will occur in which phase of the cell cycle?

1. G0

2. G1

3. S

4. G2

Subtopic:  Intro to Cell Cycle & Interphase |
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At what phase of meiosis are homologous chromosomes separated ?

1. Prophase l
2. Prophase ll
3. Anaphase l
4. Anaphase ll

Subtopic:  Cell Cycle: Meiosis I |
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The following cell, undergoing mitosis, is at:

1. Early prophase

2. Late prophase

3. Transition to metaphase

4. Early metaphase

Subtopic:  Cell Division: Mitosis (Karyokinesis) |
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Anaphase promoting complex (APC) is a protein degradation machinery necessary for proper mitosis of animal cells. If APC is defective in a human cell, which of the following is expected to occur?

(1) Chromosomes will not condense

(2) Chromosomes will be fragmented

(3) Chomosomes will not segregate

(4) Recombinantion of chromosome arms will occur 

Subtopic:  Cell Division: Mitosis (Karyokinesis) |
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DNA replication in bacteria occurs

(1) during S-phase

(2) within nucleolus

(3) prior to fission 

(4) just before transcription 

Subtopic:  Intro to Cell Cycle & Interphase |
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Which of the following options gives the correct sequences of events during mitosis?
(1)Condensationnuclear membrane disassemblycrossing overSegregationtelophase

(2)Condensationnuclear membrance disassemblyarrangement at equatorcentromere divisionsegregationtelophase

(3) Condensationcrossing overnuclear membrance disassemblysegregationtelophase

(4) Condensationarrangement at equator centromere divisionsegregationtelophase

Subtopic:  Cell Division: Mitosis (Karyokinesis) |
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During cell growth, DNA synthesis takes place in

(1) S-phase                       

(2) G1-phase

(3) G2-phase                     

(4) M-phase 

Subtopic:  Intro to Cell Cycle & Interphase |
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