CCBC BIO 110 FINAL EXAM NEWEST 2025 ACTUAL EXAM COMPLETE 100
QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS)
Why is only one strand of DNA transcribed into mRNA? - (ANSWER)Because the other strand would
produce the same amino acid sequence in reverse order
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
下午好"
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
, CCBC BIO 110 FINAL EXAM NEWEST 2025 ACTUAL EXAM COMPLETE 100
QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS)
__________ 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
If mitosis produced gametes in sexually reproducing organisms, then: - (ANSWER)chromosome number
would double in each generation
Which of the following events does not occur during meiosis I? - (ANSWER)separation of sister
chromatids
下午好"
The correct number of chromosomes is maintained during sexual reproduction by: - (ANSWER)meiosis,
which reduces the chromosome number by half.
An animal with a diploid number of 36 chromosomes will have __________ chromosomes in its gametes
and __________ chromosomes in its somatic cells. - (ANSWER)18;36
DNA is duplicated during __________ of the cell cycle. - (ANSWER)S phase
Which of the following represents the overall sequence of events during mitosis? - (ANSWER)prophase −
metaphase − anaphase − telophase
Nucleosomes are best described as: - (ANSWER)eukaryotic DNA associated with histone proteins.
Cytokinesis in plant cells begins with the formation of a(n): - (ANSWER)cell plate
QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS)
Why is only one strand of DNA transcribed into mRNA? - (ANSWER)Because the other strand would
produce the same amino acid sequence in reverse order
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
下午好"
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
, CCBC BIO 110 FINAL EXAM NEWEST 2025 ACTUAL EXAM COMPLETE 100
QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS)
__________ 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
If mitosis produced gametes in sexually reproducing organisms, then: - (ANSWER)chromosome number
would double in each generation
Which of the following events does not occur during meiosis I? - (ANSWER)separation of sister
chromatids
下午好"
The correct number of chromosomes is maintained during sexual reproduction by: - (ANSWER)meiosis,
which reduces the chromosome number by half.
An animal with a diploid number of 36 chromosomes will have __________ chromosomes in its gametes
and __________ chromosomes in its somatic cells. - (ANSWER)18;36
DNA is duplicated during __________ of the cell cycle. - (ANSWER)S phase
Which of the following represents the overall sequence of events during mitosis? - (ANSWER)prophase −
metaphase − anaphase − telophase
Nucleosomes are best described as: - (ANSWER)eukaryotic DNA associated with histone proteins.
Cytokinesis in plant cells begins with the formation of a(n): - (ANSWER)cell plate
