Campbell Biology Chapter 12 Test Bank
Questions With Verified Answers
1) Eukaryotic chromosomes are composed of which of the following macromolecules? -
Answers✔C) DNA and proteins
2) Starting with a fertilized egg (zygote), a series of six cell divisions would produce an early
embryo with how many cells? - Answers✔D) 64
3) In a diploid cell with 5 chromosome pairs (2n = 10), how many centromeres will be found in a
nucleus at G2 of the cell division cycle? - Answers✔B) 10
5) G1 is associated with which of the following cellular events? - Answers✔A) normal growth
and cell function
9) Metaphase is characterized by ________. - Answers✔A) alignment of chromosomes on the
equator of the cell
13) FtsZ is a bacterial cytoskeletal protein that forms a contractile ring involved in binary fission.
Its function is analogous to ________. - Answers✔A) the cleavage furrow of eukaryotic animal
cells
15) In a diploid cell with 5 chromosome pairs (2n = 10), how many sister chromatids will be
found in a nucleus at prophase of mitosis? - Answers✔C) 20
16) If there are 40 centromeres in a cell at anaphase of mitosis, how many chromosomes will be
found in each daughter cell following cytokinesis? - Answers✔B) 20
17) If a cell at metaphase of mitosis contains 20 sister chromatids, how many chromosomes will
be present in a G1 cell? - Answers✔B) 10
19) Movement of the chromosomes during anaphase would be most affected by a drug that
prevents which of the following events in mitosis and cell division? - Answers✔C) shortening of
microtubules
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