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Campbell Biology Chapter 12 Test Bank Campbell-s Biology, 9e (Reece et al.) Chapter 12 The Cell Cycle
Campbell Biology Chapter 12 Test Bank Campbell-s Biology, 9e (Reece et al.) Chapter 12 The Cell Cycle
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TEST BANKCampbell's Biology, 9e (Reece et al.) Chapter 12 The Cell Cycle2024Campbell's
Biology, 9e
(Reece et al.)
Chapter 12 The
Cell Cycle
,TEST BANKCampbell's Biology, 9e (Reece et al.) Chapter 12 The Cell Cycle2024
Campbell's Biology, 9e (Reece et al.)
Chapter 12 The Cell Cycle
In this chapter, 24 questions are new, and 12 have been altered to incorporate new material from the
textbook. As in the other chapters, any questions that depend on figures or introductory scenarios have
been placed at the end of the chapter rather than in concept sequence.
Multiple-Choice Questions
1) The centromere is a region in which
A) chromatids remain attached to one another until anaphase.
B) metaphase chromosomes become aligned at the metaphase plate.
C) chromosomes are grouped during telophase.
D) the nucleus is located prior to mitosis.
E) new spindle microtubules form at either end.
Answer: A
Topic: Concept 12.1
Skill: Knowledge/Comprehension
2) Starting with a fertilized egg (zygote), a series of five cell divisions would produce an early embryo
with how many cells?
A) 4
B) 8
C) 16
D) 32
E) 64
Answer: D
Topic: Concept 12.1
Skill: Application/Analysis
3) If there are 20 chromatids in a cell, how many centromeres are there?
A) 10
B) 20
C) 30
D) 40
E) 80
Answer: A
Topic: Concept 12.1
Skill: Application/Analysis
, TEST BANKCampbell's Biology, 9e (Reece et al.) Chapter 12 The Cell Cycle2024
4) For a newly evolving protist, what would be the advantage of using eukaryote-like cell division rather
than binary fission?
A) Binary fission would not allow for the formation of new organisms.
B) Cell division would allow for the orderly and efficient segregation of multiple linear chromosomes.
C) Cell division would be faster than binary fission.
D) Cell division allows for lower rates of error per chromosome replication.
E) Binary fission would not allow the organism to have complex cells.
Answer: B
Topic: Concept 12.1
Skill: Synthesis/Evaluation
5) Suppose a biologist can separate one of a dozen pieces of chromatin from a eukaryotic (animal)
nucleus. It might consist of which of the following?
A) one-twelfth of the genes of the organism
B) two chromosomes, each with six chromatids
C) a single circular piece of DNA
D) two long strands of DNA plus proteins
E) two chromatids attached together at a centromere
Answer: D
Topic: Concept 12.1
Skill: Knowledge/Comprehension
6) At which phase are centrioles beginning to move apart in animal cells?
A) telophase
B) anaphase
C) prometaphase
D) metaphase
E) prophase
Answer: E
Topic: Concept 12.2
Skill: Knowledge/Comprehension
7) If cells in the process of dividing are subjected to colchicine, a drug that interferes with the formation
of the spindle apparatus, at which stage will mitosis be arrested?
A) anaphase
B) prophase
C) telophase
D) metaphase
E) interphase
Answer: D
Topic: Concept 12.2
Skill: Application/Analysis
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