Chapter 11 - How Cells Reproduce

Question 1

Mitosis and cytoplasmic division function in ___________.

a. asexual reproduction of single-called eukaryotes
b. growth and tissue Repair in multi-celled species
c. gamete formation in bacteria and archaeans
d. both a and b

Answer 1

d. both a and b

Question 2

A duplicated chromosome has ___________ chromatid (s).

a. one
b. two
c. three
d. four

Answer 2

b. two

Question 3

Except for a pairing of sex chromosomes, homologous chromosomes ______________.

a. carry the same genes
b. are the same shape
c. anaphase
d. telophase
e. interphase
f. a and c

Answer 3

e. interphase

Question 4

The chromosomes line up the midpoint of the spindle during ____________.

a. prophase
b. metaphase
c. anaphase
d. telophase
e. interphase
f. cytokinesis

Answer 4

b. Metaphase

Question 5

The spindle attaches to chromosomes at the ______________.

a. centriole
b. contractile ring
c. centromere
d. centrosome

Answer 5

c. centromere

Question 6

Only ________ is not a stage of mitosis.

a. prophase
b. interphase
c. metaphase
d. anaphase

Answer 6

b. interphase

Question 7

In intervals of interphase, G stands for ____________.

a. gap
b. growth
c. Gey
d. gene

Answer 7

a. gap

Question 8

Interphase is the part of the cell cycle when ___________.

a. a cell ceases to function
b. the spindle forms
c. a cell grows and duplicates it’s DNA
d. mitosis proceeds

Answer 8

c. a cell grows and duplicates it’s DNA

Question 9

In the diagram of the nucleus below, fill in the blanks with the name of each interval.

Answer 9

interphase, prophase, metaphase, anaphase, telophase

Question 10

After mitosis, the chromosome number of a descendant cell is _________ the parents cell.

a. the same as
b. one-half of
c. rearranged compared to
d. doubled compared to

Answer 10

a. the same as

Question 11

Name any checkpoint gene.

Answer 11

The EGF receptor gene (EGFR), as well as BRCA1, BRCA2, and 53BP 1 are all named in this chapter.

Question 12

Which of the following encompasses the other two?

a. cancer
b. neoplasm
c. tumor

Answer 12

b. neoplasm

Question 13

Match each term with its best description.

\_\_\_ cell plate
\_\_\_ spindle
\_\_\_ Tumor
\_\_\_ cleavage furrow
\_\_\_ contractile ring
\_\_\_ cancer
\_\_\_ centrosomes

a. lump of cells
b. made of microfilaments
c. divides plant cells
d. organizes the spindle
e. metastatic cells
f. made of microtubules
g. indentation

Answer 13

Match each term with its best description.

(c) cell plate
(f) spindle
(a) tumor
(g) cleavage furrow
(b) contractile ring
(e) cancer
(d) centrosomes

a. lump of cells
b. made of microfilaments
c. divides plant cells
d. organizes the spindle
e. metastatic cells
f. made of microtubules
g. indentation

Question 14

Match each stage with the events listed.

___ metaphase
___ prophase
___ telophase
___ anaphase

a. sister chromatids move apart
b. chromosomes start to condense
c. new nuclei form
d. all duplicated chromosomes are aligned at the spindle equator

Answer 14

Match each stage with the events listed.

(d) metaphase
(b) prophase
(c) telophase
(a) anaphase

a. sister chromatids move apart
b. chromosomes start to condense
c. new nuclei form
d. all duplicated chromosomes are aligned at the spindle equator