How do cells at the completion of meiosis compare with cells that have replicated their DNA and are just about to begin meiosis?
1. They have twice the amount of cytoplasm and half the amount of DNA.
2. THey have half the number of chromosomes and half the amount DNA.
3. They have the same number of chromosomes and half the amount of DNA.
4. They have half the number of chromosomes and one-fourth the amount of DNA.

Subtopic:  Cell Cycle: Meiosis I |
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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

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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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) Condensation → nuclear membrane disassembly → crossing over → Segregation → telophase

(2) Condensation → nuclear membrane disassembly → arrangement at equator → centromere division → Segregation → telophase

(3) Condensation → crossing over → nuclear membrane disassembly → Segregation → telophase

(4) Condensation → arrangement at equator → centromere division → Segregation → telophase

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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