Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
|
|
|
1.
|
Among
the following, the term that includes the others is _____. a. | cell
cycle | c. | interphase | b. | nuclear division | d. | mitosis | | | | |
|
|
|
2.
|
The
longest phase of the cell cycle is _____. a. | interphase | c. | prophase | b. | mitosis | d. | metaphase | | | | |
|
|
|
3.
|
Which
of the following monitors a cell's progress from phase to phase during the cell
cycle? a. | protein
molecules | c. | a series of
enzymes | b. | microtubules | d. | lipid molecules | | | | |
|
|
|
4.
|
As
the size of a cell increases, _____. a. | volume increases and surface area
decreases | b. | volume increases faster than surface
area | c. | surface area
increases faster than volume | d. | volume and surface area increase at the same
rate | | |
|
|
|
5.
|
A
gene is a segment of DNA that controls the production of _____. a. | microtubules | c. | proteins | b. | centromeres | d. | carbohydrates | | | | |
|
|
|
6.
|
Tangled strands of DNA wrapped around protein molecules make up the
_____. a. | microtubules | c. | nuclear
envelope | b. | chromatin | d. | spindle | | | | |
|
|
|
7.
|
Which
of the following explains why a cell's size is limited? a. | Volume increases
faster than surface area. | b. | Surface area increases faster than
volume. | c. | Homeostasis is disrupted by a cell that is too
large. | d. | both a and c | | |
|
|
|
8.
|
By
the end of prophase, each of the following has occurred except _____. a. | lining up of
chromosomes in the cell | c. | breaking down of
the nuclear envelope | b. | tighter coiling of the
chromosomes | d. | disappearing of
the nucleolus | | | | |
|
|
|
9.
|
Cells
containing two alleles for each trait are described as _____. a. | diploid | c. | haploid | b. | homozygous | d. | gametes | | | | |
|
|
|
|
|
|
10.
|
Using
Figure 12-3, which process would result in the formation of chromosome C from chromosomes A and
B? a. | segregation | c. | asexual
reproduction | b. | crossing over | d. | independent assortment | | | | |
|
|
|
11.
|
Pollination can best be described as _____. a. | the transfer of
the male pollen grain to the female organ | b. | the fusing of the egg nucleus with the pollen
nucleus | c. | the type of cell division that produces diploid
gametes | d. | the formation of male and female sex
cells | | |
|
|
|
12.
|
The
passing on of traits from parents to offspring is called _____. a. | inbreeding | c. | heredity | b. | gene splicing | d. | genetics | | | | |
|
|
|
13.
|
Unlike plant cells, animal cells contain _____. a. | nucleoli | c. | centrioles | b. | cell walls | d. | spindles | | | | |
|
|
|
|
|
|
14.
|
The
numbers in Figure 12-1 represent the chromosome number found in each of the dog cells shown. The
processes that are occurring at A and B are _____. a. | mitosis and
pollination | c. | meiosis and
pollination | b. | mitosis and fertilization | d. | meiosis and fertilization | | | | |
|
|
|
15.
|
The
gamete that contains genes contributed only by the mother is _____. a. | dominant | c. | the
sperm | b. | a zygote | d. | an egg | | | | |
|