CCBC BIO 110 EXAM SCRIPT WITH VIEW
AHEAD TESTED QUESTIONS AND DETAILED
SOLUTIONS 2026.
⫸ During which phase does crossing-over occur? Answer: prophase-I
⫸ What is the function of nucleosomes? Answer: To prevent DNA
strands from tangling.
⫸ Which of the following combinations of letters accurately
represents two sister chromatids? Answer: A and C
⫸ During which of the following stages of meiosis do the sister
chromatids separate? Answer: anaphase II
⫸ Which of the following combinations of letters accurately
represents two homologous chromatids? Answer: A and D
⫸ A maternal homologue and a paternal homologue synapse to form:
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. Answer: G0 phase
⫸ The M phase of the cell cycle involves two main processes:
Answer: mitosis and cytokinesis.
⫸ The mitotic spindle is made of: Answer: microtubules.
⫸ A cell is in metaphase if: Answer: the chromosomes are aligned at
the midplane of the cell.
⫸ During prophase, __________ is(are) compacted into visible
chromosomes. Answer: chromatin
⫸ __________ contain identical DNA sequences and are held
together by __________ during mitosis. Answer: Sister chromatids;
centromeres
⫸ Duplicated centrioles start moving to opposite poles of a dividing
__________ cell during __________ of the cell cycle. Answer:
animal; prophase
⫸ Cytokinesis in animal cells involves contraction of a ring of
__________ microfilaments.
Answers:
cyclin plus actin Answer: actin plus myosin
AHEAD TESTED QUESTIONS AND DETAILED
SOLUTIONS 2026.
⫸ During which phase does crossing-over occur? Answer: prophase-I
⫸ What is the function of nucleosomes? Answer: To prevent DNA
strands from tangling.
⫸ Which of the following combinations of letters accurately
represents two sister chromatids? Answer: A and C
⫸ During which of the following stages of meiosis do the sister
chromatids separate? Answer: anaphase II
⫸ Which of the following combinations of letters accurately
represents two homologous chromatids? Answer: A and D
⫸ A maternal homologue and a paternal homologue synapse to form:
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. Answer: G0 phase
⫸ The M phase of the cell cycle involves two main processes:
Answer: mitosis and cytokinesis.
⫸ The mitotic spindle is made of: Answer: microtubules.
⫸ A cell is in metaphase if: Answer: the chromosomes are aligned at
the midplane of the cell.
⫸ During prophase, __________ is(are) compacted into visible
chromosomes. Answer: chromatin
⫸ __________ contain identical DNA sequences and are held
together by __________ during mitosis. Answer: Sister chromatids;
centromeres
⫸ Duplicated centrioles start moving to opposite poles of a dividing
__________ cell during __________ of the cell cycle. Answer:
animal; prophase
⫸ Cytokinesis in animal cells involves contraction of a ring of
__________ microfilaments.
Answers:
cyclin plus actin Answer: actin plus myosin
