Download Lifeline Exam 3 Review

Exam 3 Review
1. Which phase is the first and longest phase of mitosis, during which the
chromosomes become visible and the centrioles separate?
a. Prophase
b. Metaphase
c. Anaphase
d. Telophase
2. In which phase of mitosis do the chromatids of each chromosome separate/
split at the centromere and move in opposite directions?
a. Prophase
b. Metaphase
c. Anaphase
d. Telophase
3. Which phase in mitosis do the duplicated chromosomes line up along the
equatorial plate of the spindle?
a. Prophase
b. Metaphase
c. Anaphase
d. Telophase
4. Which stage of the cell cycle is where the cell grows and performs its normal
functions?
a. G1
b. S
c. G2
d. Mitosis
5. The protein, tubulin, that forms microtubules and later on the centrioles in
cells, is formed during what stage of the cell cycle?
a. G1
b. S
c. G2
d. Mitosis
6. Which of the following are true about the S phase of the cell cycle?
a. Replication of DNA
b. “S” stands for synthesis
c. It occurs in the nucleus
d. All of the above
7. What is the name for a complete set of an organism’s chromosomes?
a. Genotype
b. Phenotype
c. Karyotype
d. Ploidy
8. What do you call a sequence of nucleotides that codes for a certain protein?
a. Chromosome
b. Chromatid
c. Amino acid
d. Gene
9. What are alternative forms of a gene that are found at the same place on a
chromosome?
a. Nucleotides
b. Chromatids
c. Alleles
d. Traits
10. What is the end result of one round of mitosis?
a. 2 genetically unique daughter cells
b. 2 genetically identical daughter cells
c. 4 genetically identical daughter cells
d. 4 genetically unique daughter cells
11. Which of the following lists the stages of Mitosis in the correct order?
a. Prophase, Anaphase, Telophase, Metaphase
b. Interphase, Prophase, Metaphase, Anaphase, Telophase
c. Prophase, Metaphase, Anaphase, Telophase
d. Prophase, Telophase, Interphase, Metaphase, Anaphase
12. Which of the following is false about mitosis?
a. All organisms can undergo mitosis
b. Mitosis involves two cellular divisions
c. A cell can only be diploid in order to undergo mitosis
d. All of the above are false
e. A and B
f. B and C
13. During which phase of mitosis does the number of chromosomes BRIEFLY
double because they are being separated?
a. Prophase
b. Metaphase
c. Anaphase
d. Telophase
14. Which of the following products is NOT made during interphase?
a. RNA
b. Proteins
c. Organelles
d. Cell plate
15. Which of the following does NOT occur during mitosis?
a. chromosomes condense
b. separation of the sister chromatids
c. replication of the DNA
d. formation of the spindle fibers
16. A particular cell has half as much DNA as some other cells in a mitotically
active tissue. The cell in question is most likely in...
a) G1 of interphase
b) G2 of interphase
c) Metaphase
d) Anaphase
17. What is the structure labeled "X" on the picture?
a. centriole
b. spindle
c. chromosome
d. chromatid
18. Meiosis results in _____
a. 2 haploid daughter cells
b. 4 haploid daughter cells
c. 2 diploid daughter cells
d. 4 diploid daughter cells
19. A cell with a diploid number of 24 undergoes meiosis, how many
chromosomes will be in each daughter cell?
a. 6
b. 12
c. 24
d. 48
20. Crossing over may occur in which phase of Meiosis I?
a. Prophase
b. Metaphase
c. Anaphase
d. Telophase
21. True or False: It is possible for either a haploid or a diploid cell to undergo
meiosis.
22.
True or False: The cell shown above is haploid.
23. True or False: The sister chromatids of a homologous pair are exact copies of
each other?
24. True or False: The genetic material in the nucleus of the cell stays condensed
throughout completion of all the stages of mitosis.
25. True or False: When animal cells undergo cytokinesis, a cell plate is formed
between the two new cells.