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Cell Division Part 2
Test Description: DE Cell Division Review Part 2
Instructions: Answer all questions to get your test result.
1) 1. What causes the chromosomes to move to the opposite ends of the spindle during anaphase?
A
the centrioles magnetically pull the chromosomes apart
B
nuclear membranes form around each set of chromosomes and drag them apart
C
the chromosomes are pulled by the kinetochore fibers attached to the telomeres
D
the chromosomes are pulled by the kinetochore fibers attached to the centromeres
2) 2. What is one difference between how DNA is organized in prokaryotic cells and eukaryotic cells?
A
Prokaryotic cells' DNA is packed into a structure called chromatin, while eukaryotic cells' DNA is not.
B
Prokaryotic cells typically have linear DNA structures, while eukaryotic cells have circular DNA structures.
C
Eukaryotic cells typically have linear DNA structures, while prokaryotic cells have circular DNA structures.
D
Eukaryotic cells' DNA is packed into structures called plasmids, while prokaryotic cells' DNA is not.
3) 3. How are chromosomes and plasmids alike?
A
both appear only in prokaryotic cells
B
both are linear in shape
C
both are found in the nucleus
D
both are DNA molecules
4) 4. Which of these processes occurs in both binary fission and mitosis?
A
segregation of plasmids
B
rearrangement of organelles
C
formation of nuclear envelopes
D
replication of DNA
5) 5. What is one difference between the G1 phase and the G2 phase?
A
In the G1 phase, chromosomes are separated. In the G2 phase, chromosomes are still together.
B
In the G1 phase, DNA has not been replicated. In the G2 phase, DNA has been replicated.
C
In the G1 phase, the nuclear membrane breaks down. In the G2 phase, the nuclear membrane reforms.
D
In the G1 phase, the cell is growing. In the G2 phase, the cell has stopped growing.
6) 6. A scientist wants to investigate the causes of skin cancer in humans. Which of the following processes would be the most appropriate to investigate?
A
binary fission
B
cell transformation
C
replication of plasmid DNA
D
cellular respiration
7) 7. Some scientists are investigating whether daily use of aspirin helps prevent the growth of cancerous tumors. Which of these designs would be the most effective for a clinical trial?
A
Use one group of participants. Have all members of the group take aspirin daily.
B
Use two groups of participants. Have one group take aspirin daily and one group take nothing.
C
Use one group of participants. Have all members of the group alternate between taking aspirin and a placebo (an inactive pill
D
Use two groups of participants. Have one group take aspirin daily and one group take a placebo (an inactive pill) daily.
8) 8. What is the relationship between binary fission and cell division?
A
Binary fission is a type of cell division that occurs in prokaryotic cells.
B
Binary fission is the name of cell division in cancer cells.
C
Binary fission creates nuclear membranes for the process of cell division.
D
Binary fission creates proteins necessary for cell division.
9) 9. What is the order of the phases of the cell cycle?
A
G1 phase, S phase, G2 phase, M phase
B
S phase, M phase, G1 phase, G2 phase
C
S phase, G1 phase, M phase, G2 phase
D
G1 phase, G2 phase, S phase, M phase
10) 10. In which of these types of organisms could a scientist observe mitosis?
A
animals
B
neither A nor B
C
both A and B
D
plants
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