NAME: _____________________________________ Date: ____________________ Period: ________
1. Mitosis
a. takes place only in brain tissue
b. is how cells reproduce and tissue grows
c. divides only the cell nucleus
d. creates cells that are different from each other
2. Human haploid cells have:
a. 23 pairs of chromosomes
b. 46 chromosomes
c. 23 chromosomes
d. a and b
3. True or False: mitosis is the division of somatic cells to create new, identical cells.
4. Humans have ___________ chromosomes.
a. 47
b. 46
c. 23
d. 48
5. A eukaryotic cell has:
a. no nucleus
b. a distinct nucleus
c. an indistinct nucleus
d. two nuclei
6. Chromosomes are made of:
a. sugar and spice
b. DNA molecules
c. DNA and cytoplasm
d. the liquid from the cell
7. Chromatids are joined together at a point called the __________________.
a. center point
b. middle
c. nucleus
d. centromere
8. Diploid cells have:
a. 23 pairs of chromosomes
b. 46 chromosomes
c. 23 chromosomes
d. A and B
9. The genetic information for an organism is found:
a. in the cell nucleus
b. in the cytoplasm
c. in the cell membrane
d. All of the above
10. The cytoplasm:
a. is a thick liquid
b. is another name for the nucleus
c. holds many of the cell’s organelles
d. A and C
NAME: _____________________________________ Date: ____________________ Period: ________
11. During prophase, the centrioles:
a. join together
b. move to center of cell and form two separate poles
c. move to opposite ends of cell and form 2 separate poles
d. none of the above
12. The four stages of mitosis in their current order are:
a. prophase, metaphase, anaphase, telephase
b. prophase, telephase, anaphase, metaphase
c. anaphase, prophase, metaphase, telephase
d. telephase, metaphase, anaphase, prophase
13. True or False: In plants and animals, the cell membrane pinches the divided call mass into two cells.
14. The chromosomes are pulled apart by the spindle fibers during which stage:
a. Anaphase
b. Interphase
c. Telephase
d. Prophase
15. During interphase:
a. the cel grows
b. chromosomes start to duplicate
c. the cell prepares for mitosis
d. all of the above
16. During metaphase:
a. the chromosomes duplicate
b. the spindle fibers attach to the centromere
c. the cell membrane closes around the new cells
d. the chromatids split at the centromere
17. True or False: During metaphase, the nuclear membrane finishes breaking down.
18. In which stage do the nuclear envelopes form around the separate sets of chromosomes:
a. anaphase
b. interphase
c. telephase
d. prophase
19. After mitotic cell division, or mitosis, the daughter celss contain:
a. half of the chromosomes of the parent cell
b. the same number of chromosomes as the parent cell
c. a random number of chromosomes
d. an unknown number of chromosomes
20. What structure inside the cell helps pull the chromatids apart:
a. centromere
b. spindle fiber
c. nucleus
d. membrane