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Multiple Choice Feedback Quiz
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1

Which of the following is not related to mitosis?
A)germ cells
B)chromosomes
C)DNA replication
D)somatic cells
2

Which phase of mitosis is associated with chromosomes aligned at the center of the cell and centromeres replicating?
A)interphase
B)prophase
C)metaphase
D)anaphase
3

Which phase of mitosis is associated with formation of the nuclear envelope?
A)prophase
B)metaphase
C)anaphase
D)telophase
4

Which phase of mitosis is associated with separation of chromatids?
A)interphase
B)prophase
C)anaphase
D)telophase
5

During cell division, what structure forms as a network of protein cables?
A)spindle
B)aster
C)centromere
D)chromatid
6

Which one of the following statements is not true about meiosis?
A)Meiosis occurs in reproductive cells.
B)Meiosis results in four haploid daughter cells.
C)In meiosis, homologous pairs of chromosomes are pulled apart.
D)Meiosis occurs only in animals.
7

Crossing over occurs during
A)prophase I.
B)prophase II.
C)interphase I.
D)interphase II.
8

In the complex cell cycle, cell division preparation continues with the replication of mitochondria and chromosome condensation during which phase?
A)G1
B)G2
C)M
D)C
9

Chromosomes exist in somatic cells as nearly identical copies of each other called
A)analogous chromosomes.
B)sister chromatids.
C)homologous chromosomes.
D)centromeres.
10

A growth disorder in cells that starts when an apparently normal cell begins to grow in an uncontrolled and invasive way is called
A)a DNA aberration.
B)chromosomal condensation.
C)syngamy.
D)cancer.
11

In meiosis
A)the chromosomes do not replicate between the two nuclear divisions.
B)the chromosome number is halved.
C)the second meiotic division is similar to the process of mitosis.
D)all of the above occur
12

What gene that serves as "quality control" relative to cell division is called the "guardian angel gene"?
A)EGF
B)p 53
C)Ras
D)E1B
13

Chromosome replication takes place during interphase.
A)true
B)false
14

Cytokinesis takes place during metaphase.
A)true
B)false
15

Normal human cells can go on dividing indefinitely.
A)true
B)false
16

Following telophase in animal cells, a cell plate begins to form,
A)true
B)false
17

Bacteria divide through a procell called binary fission.
A)true
B)false
18

A chromosome is a single, long DNA molecule in a compact formation.
A)true
B)false
19

Sperm and egg cells have a diploid number of chromosomes.
A)true
B)false
20

The chromosome number in species increases as you climb the evolutionary tree, plants having lower numbers and animals having higher numbers.
A)true
B)false
21

A tumor-suppressor protein Rb blocks the activity of another protein called E2F.
A)true
B)false
22

Whatever the force that led to sexual reproduction, its evolutionary consequences have been profound--no genetic process generates diversity more quickly.
A)true
B)false
23

DNA replicates during the S phase of metaphase.
A)true
B)false
24

Cancer can be caused by chemicals that mutate DNA.
A)true
B)false
25

In meiosis, two haploid cells--the egg and the sperm--unite to form a diploid cell called a zygote.
A)true
B)false





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