cell reproduction part 1 1. what class of cells is reproduced during mitosis? germ cells somatic...
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Cell ReproductionPart 1
1. What class of cells is reproduced during mitosis?
Germ cells Germ cells
Somatic cellsSomatic cells
Gametes Gametes
Haploid cells Haploid cells
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2. Activated M-phase-promoting factor (MPF) signals entry into which of the following mitotic cell cycle phases?
G1 G1
M phaseM phase
S phase S phase
G2 G2
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3. One cell that undergoes meiosis will yield how many independent cells?
3 3
44
2 2
1 1
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4. What is the name of the junction that joins chromosomes during genetic
re-assortment?
Kinetochore Kinetochore
Chiasma Chiasma
Metaphase plate Metaphase plate
Crossover region Crossover region
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5. One round of mitosis leads to an entirely new individual in which type
of organism?
Human Human
Single-cellularSingle-cellular
Snail Snail
Multi-cellular Multi-cellular
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6. Degradation of G1 cyclins leads to entry into which of the following
mitotic cell cycle phases?
M phase M phase
S phaseS phase
G2 G2
G1 G1
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7. In meiosis, the chiasma plays a similar role to which structure in
mitosis?
Mitotic spindle Mitotic spindle
CentromereCentromere
centrosome centrosome
microtubule microtubule
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8. The mitotic phase during which a cell actually physically divides into
two is called which of the following?
prophase prophase
CytokinesisCytokinesis
metaphase metaphase
anaphase anaphase
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9. Which of the following meiotic phases is the longest?
Telophase 2 Telophase 2
Prophase 1Prophase 1
Anaphase 2 Anaphase 2
Metaphase 1 Metaphase 1
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10. What class of cells are reproduced during meiosis?
Cancerous cells Cancerous cells
Germ cellsGerm cells
Somatic cells Somatic cells
Diploid cells Diploid cells
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11. Cellular reproduction is involved in all of the following processes except which?
Sexual reproduction Sexual reproduction
Protein degradationProtein degradation
Cell maintenance Cell maintenance
Development Development
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12. Which mitotic phase directly follows G1 of interphase?
Anaphase Anaphase
ProphaseProphase
Metaphase Metaphase
Cytokinesis Cytokinesis
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13. During which meiotic phase are sister chromatids separated?
Anaphase 1 Anaphase 1
Anaphase 2Anaphase 2
Metaphase 2 Metaphase 2
Metaphase 1 Metaphase 1
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14. Chromosomes are composed of what biological molecule?
Adenosine monophosphate Adenosine monophosphate
Deoxyribonucleic acid (DNA)
Deoxyribonucleic acid (DNA)Adenosine triphosphate Adenosine triphosphate
Carbohydrates Carbohydrates
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15. The two major phases of the cell cycle are which of the following?
M phase and S phase M phase and S phase
M phase and interphaseM phase and interphase
G1 and G2 G1 and G2
Prophase 1 and prophase 2 Prophase 1 and prophase 2
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16. Which of the following is not characteristic of a cell in mitotic
prophase?
Intact nucleus Intact nucleus
Metaphase plateMetaphase plate
Rearranged cytoskeleton Rearranged cytoskeleton
Condensed chromosomes Condensed chromosomes
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17. The number of distinct chromosomes in a cell is its _________ number
Single Single
HaploidHaploid
Chiasma Chiasma
Diploid Diploid
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18. Which class of microtubules is responsible for capturing chromosomes
during mitosis?
Astral Astral
KinetochoreKinetochore
Polar Polar
Radial Radial
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19. Interphase and M phase can be best summed up by which of the
following pairs of words?
Degradation and synthesis Degradation and synthesis
Copying and cleavingCopying and cleaving
Synthesizing and copying Synthesizing and copying
Separating and cleaving Separating and cleaving
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20. During which meiotic phase are maternal homologous pairs separated from
paternal homologous pairs?
Anaphase 2 Anaphase 2
Anaphase 1Anaphase 1
Metaphase 2 Metaphase 2
Metaphase 1 Metaphase 1
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21. What is the major event that marks a cell's entrance into mitotic
prometaphase?
Separation of sister chromatids Separation of sister chromatids
Disassembly of nuclear envelope Disassembly of nuclear envelope
Cell division Cell division
Metaphase plate formation Metaphase plate formation
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22. The number of homologous pairs in a cell is called its _________ number.
Hapolid Hapolid
DiploidDiploid
Chiasma Chiasma
Single Single
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23. Which phase of the cell cycle directly follows M phase?
S phase S phase
G2 G2
G1G1
G0 G0
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24. What major event marks a cell's entry into mitotic metaphase?
Separation of sister chromatids Separation of sister chromatids
Metaphase plate formationMetaphase plate formation
Disassembly of nuclear envelope Disassembly of nuclear envelope
Chromosome condensation Chromosome condensation
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25. A cell with a haploid number of 20 has which of the following dipliod numbers?
80 80
4040
10 10
2 2
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