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