CCBC BIO 110 Final Exam Questions and Answers 100% Correct___
Why is only one strand of DNA transcribed into mRNA? (Correct Answer) - ✅✅
Because the other strand would produce the same amino acid sequence in reverse order
During which phase does crossing-over occur? (Correct Answer) - ✅✅ prophase-I
What is the function of nucleosomes? (Correct Answer) - ✅✅ To prevent DNA
strands from tangling.
Which of the following combinations of letters accurately represents two sister
chromatids? (Correct Answer) - ✅✅ A and C
During which of the following stages of meiosis do the sister chromatids separate?
(Correct Answer) - ✅✅ anaphase II
Which of the following combinations of letters accurately represents two homologous
chromatids? (Correct Answer) - ✅✅ A and D
A maternal homologue and a paternal homologue synapse to form: (Correct Answer) -
✅✅ a tetrad.
Once nerve cells become mature, they don't usually undergo cell division. Based on your
knowledge of the cell cycle, you would predict that mature nerve cells become arrested in
the __________ of the cell cycle. (Correct Answer) - ✅✅ G0 phase
, The M phase of the cell cycle involves two main processes: (Correct Answer) - ✅✅
mitosis and cytokinesis.
The mitotic spindle is made of: (Correct Answer) - ✅✅ microtubules.
A cell is in metaphase if: (Correct Answer) - ✅✅ the chromosomes are aligned at the
midplane of the cell.
During prophase, __________ is(are) compacted into visible chromosomes. (Correct
Answer) - ✅✅ chromatin
__________ contain identical DNA sequences and are held together by __________ during
mitosis. (Correct Answer) - ✅✅ Sister chromatids; centromeres
Duplicated centrioles start moving to opposite poles of a dividing __________ cell during
__________ of the cell cycle. (Correct Answer) - ✅✅ animal; prophase
Cytokinesis in animal cells involves contraction of a ring of __________ microfilaments.
Answers:
cyclin plus actin (Correct Answer) - ✅✅ actin plus myosin
If mitosis produced gametes in sexually reproducing organisms, then: (Correct Answer)
- ✅✅ chromosome number would double in each generation
Which of the following events does not occur during meiosis I? (Correct Answer) - ✅✅
separation of sister chromatids
Why is only one strand of DNA transcribed into mRNA? (Correct Answer) - ✅✅
Because the other strand would produce the same amino acid sequence in reverse order
During which phase does crossing-over occur? (Correct Answer) - ✅✅ prophase-I
What is the function of nucleosomes? (Correct Answer) - ✅✅ To prevent DNA
strands from tangling.
Which of the following combinations of letters accurately represents two sister
chromatids? (Correct Answer) - ✅✅ A and C
During which of the following stages of meiosis do the sister chromatids separate?
(Correct Answer) - ✅✅ anaphase II
Which of the following combinations of letters accurately represents two homologous
chromatids? (Correct Answer) - ✅✅ A and D
A maternal homologue and a paternal homologue synapse to form: (Correct Answer) -
✅✅ a tetrad.
Once nerve cells become mature, they don't usually undergo cell division. Based on your
knowledge of the cell cycle, you would predict that mature nerve cells become arrested in
the __________ of the cell cycle. (Correct Answer) - ✅✅ G0 phase
, The M phase of the cell cycle involves two main processes: (Correct Answer) - ✅✅
mitosis and cytokinesis.
The mitotic spindle is made of: (Correct Answer) - ✅✅ microtubules.
A cell is in metaphase if: (Correct Answer) - ✅✅ the chromosomes are aligned at the
midplane of the cell.
During prophase, __________ is(are) compacted into visible chromosomes. (Correct
Answer) - ✅✅ chromatin
__________ contain identical DNA sequences and are held together by __________ during
mitosis. (Correct Answer) - ✅✅ Sister chromatids; centromeres
Duplicated centrioles start moving to opposite poles of a dividing __________ cell during
__________ of the cell cycle. (Correct Answer) - ✅✅ animal; prophase
Cytokinesis in animal cells involves contraction of a ring of __________ microfilaments.
Answers:
cyclin plus actin (Correct Answer) - ✅✅ actin plus myosin
If mitosis produced gametes in sexually reproducing organisms, then: (Correct Answer)
- ✅✅ chromosome number would double in each generation
Which of the following events does not occur during meiosis I? (Correct Answer) - ✅✅
separation of sister chromatids
