Choose the one answer that best answers the question.
 |
1 | |
What is mitosis? |
| | A) | the division of the cell and cytoplasm into halves |
| | B) | the replication of nuclear material |
| | C) | the process of nuclear division that reduces the number of chromosomes in the resulting cells by half |
| | D) | Both A & B |
|
|
2 | |
Beginning with mitosis, what are the other parts of the cell cycle in order in which they occur? |
| | A) | cytokinesis, G1, S, G2, |
| | B) | cytokinesis, S, G1, S, G2 |
| | C) | S, cytokinesis, G1, S, G2, |
| | D) | S, G1, S, G2 |
|
|
3 | |
What occurs in the cell during the G2 phase? |
| | A) | growth processes and synthesis of compounds other than DNA |
| | B) | DNA composing the chromosomes is duplicated |
| | C) | molecules and structures necessary for mitosis are synthesized |
| | D) | division of the cell and cytoplasm |
|
|
4 | |
Beginning with interphase, what are the phases of mitosis in order in which they occur? |
| | A) | telophase, anaphase, metaphase, prophase |
| | B) | anaphase, metaphase, prophase, telophase |
| | C) | prophase, anaphase, metaphase, telophase |
| | D) | prophase, metaphase, anaphase, telophase |
|
|
5 | |
In which phase do the chromosomes align on a plane in the center of the cell? |
| | A) | prophase |
| | B) | metaphase |
| | C) | anaphase |
| | D) | telophase |
|
|
6 | |
What occurs during anaphase? |
| | A) | The mitotic spindle begins to form. |
| | B) | The chromosomes align on a plane in the center of the cell. |
| | C) | The sister chromatids separate. |
| | D) | The mitotic apparatus disassembles. |
|
|
7 | |
What is the part of the chromosome that joins the two chromatids? |
| | A) | kinetochore |
| | B) | centriole |
| | C) | centromere |
| | D) | mitotic spindle |
|
|
8 | |
What is the structure in animal cells that divides the cytoplasm into two cells. |
| | A) | mitotic spindle |
| | B) | centriole |
| | C) | cleavage furrow |
| | D) | cell plate |
|
|
9 | |
What is a blastula? |
| | A) | a bridge of microtubules produced by the centrioles that will pull the chromatids apart |
| | B) | an early embryonic stage of a vertebrate and consists of a sphere of cells |
| | C) | a microtubule organizing center that moves to opposite ends of the cell and pull the chromatids apart |
| | D) | a localized area of rapid cell division |
|
|
10 | |
What is the term that describes a nucleus with two of each type of chromosome? |
| | A) | diploid |
| | B) | blastula |
| | C) | meristem |
| | D) | chromatid |
|
2002 McGraw-Hill Higher Education