Download Test 2 (Mitosis/Asexual Reproduction)

Chapter 5 Test
Teacher: Mr. Nebbe
Questions 1-8 correspond to the diagram below. Label each stage of the cell cycle utilizing the terms
found in the box to the right of the diagram. Each term is used only once.
Gap 1
M-Phase
Gap 2
Mitosis
S-Phase
Interphase
Cytokinesis
Daughter Cell
9. In which phase of the cell cycle is the cell’s DNA duplicated?
a. Gap 1
b. Gap 2
c. Mitosis
d. S-Phase
10. Which part of the cell cycle covers nuclear division?
a. S-Phase
b. Mitosis (M-Phase)
c. Gap 2
d. Interphase
11. Which stage of the cell cycle lasts the longest?
a. Gap 1
b. Cytokinesis
c. S-Phase (Synthesis)
d. Gap 2
12. Without proper nutrition during Gap 1, the cell will not move onto the next phase of the cell cycle, will
not divide, and might even die.
a. True
b. False
13. What factor governs how large a cell can get?
a. The cells function
b. How long a cell lives
c. The ratio of the cell’s surface area to volume
d. How much DNA is found in the nucleus
14. Cytokinesis is a component of which phase of the cell cycle?
a. S-Phase
b. M-Phase
c. Gap 1
d. Interphase
15. What phase of mitosis does this electron photograph of a white fish blastula represent?
a.
b.
c.
d.
Telophase
Metaphase
Prophase
None of the above
16. What phase of mitosis does this electron photograph of a white fish blastula represent?
a.
b.
c.
d.
Anaphase
Prophase
Metaphase
None of the above
17. What phase of mitosis does this electron photograph of a white fish blastula represent?
a.
b.
c.
d.
Anaphase
Telophase
Prophase
None of the above
18. In what phase of mitosis does the chromatin tightly coil around proteins into chromatids and the
nuclear envelope disappears?
a. Anaphase
b. Prophase
c. Telophase
d. None of the above
19. A chromosome is one long stringy thread of what?
a. Histones
b. DNA
c. RNA
d. None of the above
20. In what phase of mitosis does the nuclear envelope reform, cytokinesis takes place, and a cell
membrane forms cleaving the two new daughter cells apart?
a. Anaphase
b. Metaphase
c. Prophase
d. Telophase
21. The 2 daughter cells that result from mitosis are _____________________ identical to one another
and to the original, parent cell.
22. The chromosomes wrap around what proteins in order to keep them from getting tangled during
interphase, and to help them to condense and coil into chromatids during mitosis?
a. Amino acids
b. Histones
c. Enzymes
d. Nucleotides
23. What is asexual reproduction?
a. The joining of two specialized cells called gametes
b. Genetic recombination
c. The creation of offspring from a single parent
d. None of the above
24. In ecologically unstable environments, asexually reproducing organisms typically have an advantage
over sexually reproducing organisms.
a. True
b. False
25. An offspring produced by asexual reproduction . . .
a. is genetically identical to its parent.
b. shares only 50% of its genes with each of its parents.
c. is poorly suited for its environment due to a lack of genetic diversity.
d. None of the above
26. Sexual reproduction involves the joining of two specialized cells called gametes?
a. True
b. False
27. In ecologically unstable environments, sexually reproducing organisms have an advantage over
asexually reproducing organisms due to genetic diversity.
a. True
b. False
28. What type of reproduction is binary fission?
a. Sexual
b. Asexual
29. Choose the organism below that reproduces via binary fission.
a. Single cell, eukaryotic organism
b. A cactus that produces buds.
c. A bacterium that lives in your gut.
d. None of the above
30. What kind of asexual reproduction is occurring in this electron microscope photo?
a.
b.
c.
d.
Mitosis
Binary fission
Meiosis
Conjugation
31. Multicellularity means that cells specialize to form distinct tissues and thus no longer need to
communicate with one another due to their specialization.
a. True
b. False
32. The existence of multicellular life depends on the process of cell differentiation. What best defines
the process of cell differentiation?
a. The development of many different types of specialized cells and tissues from
undifferentiated, stem cells.
b. The development of pluripotent and totipotent cells from multipotent adult stem cells.
c. The collaboration of specialized cells to make distinct tissues, organs and organ systems.
d. None of the above
33. Which of the following is arranged from smallest to largest?
a. Organs, tissues, cells, organ systems
b. Tissues, cells, organs, organ systems
c. Organ systems, organs, tissues, cells
d. Cells, tissues, organs, organ systems
34. What term describes the kind of stem cell that can grow into all cell types in the body?
a. Totipotent (the zygote)
b. Multipotent
c. Pluripotent
d. None of the above
35. What kind of stem cell can grow into any type of specialized tissue cell in the body?
a. Multipotent
b. Totipotent
c. Pluripotent
d. None of the above
36. A blood stem cell can be differentiated into red blood cells, white blood cells, and platelets, what
kind of stem cell is it?
a. Embryonic stem cell
b. Zygote
c. Totipotent stem cell
d. Adult stem cell
37. Which is not a characteristic of stem cells?
a. They can develop into specialized cell types.
b. They can divide and renew for long periods of time.
c. They can develop into all cell types after they have differentiated.
d. They can remain undifferentiated in form for long periods of time.
38. The photograph is of a 5 day old embryo called a blastula. The blastula is made up of what kind of
cells?
a.
b.
c.
d.
Embryonic nerve cells
Multipotent adult stem cells
Totipotent zygotes
Pluripotent stem cells
39. (2 points) Referring to the picture in question 38, what are the next steps in the development of the
blastula (in other words, what happens to the cells next)?
40. (Challenge question 2 points) What are the differences between binary fission and mitosis? Please
explain.
41. (Challenge Question – 3 points) What is a telomere and why are they important? Please draw two
sister chromatids and show me where the telomeres are located.