BSC 1005 EXAM 3 QUESTIONS AND ANSWERS
1) DNA is found in structures called ______.
A) chiasma
B) centromeres
C) histones
D) chromosomes
E) centrosomes - Answers - D) chromosomes
2) Chromatin consists of ______.
A) protein only
B) DNA and protein
C) RNA only
D) RNA and protein
E) DNA only - Answers - B) DNA and protein
3) Sister chromatids are joined at the ______.
A) centromere
B) centrosome
C) chromatin
D) centriole
E) spindle - Answers - A) centromere
4) Which of the following occurs during interphase?
A) Sister chromatids separate.
B) The mitotic spindle forms.
C) Chromosome duplication.
D) Chromatin becomes tightly coiled.
E) Cytokinesis occurs. - Answers - C) Chromosome duplication.
5) During metaphase ______.
A) cytokinesis occurs
B) chromosomes line up in the middle of the cell
C) centromeres divide
D) sister chromatids separate
E) the nuclear envelope breaks up - Answers - B) chromosomes line up in the middle of
the cell
6) The correct sequence of stages of mitosis is
______.
A) metaphase, prophase, anaphase,
telophase
B) prophase, metaphase, anaphase,
telophase
, C) interphase, prophase,metaphase,
anaphase, telophase
D) telophase, prophase, interphase,
anaphase, metaphase
E) anaphase, interphase, prophase,
metaphase, telophase - Answers - B) prophase, metaphase, anaphase,
telophase
7) Which of these events occurs during anaphase?
A) Chromosomes line up in the middle of the cell.
B) Cytokinesis occurs.
C) Sister chromatids separate.
D) The nuclear envelope reappears.
E) The nuclear envelope breaks up. - Answers - C) Sister chromatids separate.
8) Cytokinesis typically occurs during the ______ stage of mitosis.
A) interphase
B) telophase
C) prophase
D) metaphase
E) anaphase - Answers - B) telophase
9) Homologous chromosomes ______.
A) separate during interphase
B) include only the autosomes
C) are a set of chromosomes that the cell received from one parent
D) include only the sex chromosomes
E) carry the same genes - Answers - E) carry the same genes
10) Chromosomes that do not determine the sex
of an individual are called ______.
A) centromeres
B) autosomes
C) transposons
D) polysomes
E) sister chromatids - Answers - B) autosomes
11) Upon completion of telophase I and cytokinesis, there is(are) ______ cell(s).
A) one diploid
B) four diploid
C) four haploid
D) two diploid
E) two haploid - Answers - E) two haploid
12) Which of the following is a characteristic seen
in prophase I that does not occur in prophase
1) DNA is found in structures called ______.
A) chiasma
B) centromeres
C) histones
D) chromosomes
E) centrosomes - Answers - D) chromosomes
2) Chromatin consists of ______.
A) protein only
B) DNA and protein
C) RNA only
D) RNA and protein
E) DNA only - Answers - B) DNA and protein
3) Sister chromatids are joined at the ______.
A) centromere
B) centrosome
C) chromatin
D) centriole
E) spindle - Answers - A) centromere
4) Which of the following occurs during interphase?
A) Sister chromatids separate.
B) The mitotic spindle forms.
C) Chromosome duplication.
D) Chromatin becomes tightly coiled.
E) Cytokinesis occurs. - Answers - C) Chromosome duplication.
5) During metaphase ______.
A) cytokinesis occurs
B) chromosomes line up in the middle of the cell
C) centromeres divide
D) sister chromatids separate
E) the nuclear envelope breaks up - Answers - B) chromosomes line up in the middle of
the cell
6) The correct sequence of stages of mitosis is
______.
A) metaphase, prophase, anaphase,
telophase
B) prophase, metaphase, anaphase,
telophase
, C) interphase, prophase,metaphase,
anaphase, telophase
D) telophase, prophase, interphase,
anaphase, metaphase
E) anaphase, interphase, prophase,
metaphase, telophase - Answers - B) prophase, metaphase, anaphase,
telophase
7) Which of these events occurs during anaphase?
A) Chromosomes line up in the middle of the cell.
B) Cytokinesis occurs.
C) Sister chromatids separate.
D) The nuclear envelope reappears.
E) The nuclear envelope breaks up. - Answers - C) Sister chromatids separate.
8) Cytokinesis typically occurs during the ______ stage of mitosis.
A) interphase
B) telophase
C) prophase
D) metaphase
E) anaphase - Answers - B) telophase
9) Homologous chromosomes ______.
A) separate during interphase
B) include only the autosomes
C) are a set of chromosomes that the cell received from one parent
D) include only the sex chromosomes
E) carry the same genes - Answers - E) carry the same genes
10) Chromosomes that do not determine the sex
of an individual are called ______.
A) centromeres
B) autosomes
C) transposons
D) polysomes
E) sister chromatids - Answers - B) autosomes
11) Upon completion of telophase I and cytokinesis, there is(are) ______ cell(s).
A) one diploid
B) four diploid
C) four haploid
D) two diploid
E) two haploid - Answers - E) two haploid
12) Which of the following is a characteristic seen
in prophase I that does not occur in prophase