Cell Biology (BIO 315) Final Exam
2026/2027 | Complete Study Guide |
Practice Questions & Answers
Which of the following types of cells would be capable of entering the M phase of
the cell cycle - correct answer-a haploid cell with a pair of sister chromatids
Which of the following was capable of inducing G2-arrested oocytes to enter M
phase - correct answer-MPF & M-cyclin/CDK
Which of the following types of mutations in both copies of the gene would cause
cells to constitutively progress into M phase - correct answer-loss of function
mutation in Wee1
Which of the following types of cells would prevent a cell from progressing into
the S phase of the cell cycle - correct answer-loss of function mutation in SCF
Which of the following events of the cell cycle requires APC activity to allow exit
from M phase - correct answer-M-cyclin degradation
Which of the following mutations in a single copy of the Cdk gene would cause a
cell to constitutively enter M phase - correct answer-a mutation that changes its
activating phosphorylation site to Glu
,Which of the following mutations would need to be present in both copies of the
Cdk gene to cause cells to constitutively enter mitosis - correct answer-changing
its inhibitory phosphorylation site to Ala
Phosphorylation of which of the following by Cyclin/S-Cdk (or downstream kinase)
allows the origin to fire (begin replication): - correct answer-MCM
Phosphorylation of which of the following by Cyclin/S-Cdk (or downstream kinase)
prevents the origin from firing again until the next cell cycle - correct answer-ORC
and Cdc6
Which of the following is a target of phosphorylation by Cyclin/M-Cdk - correct
answer-Condensin, lamin, & MAPs
Which of the following promotes anaphase by allowing sister chromatids to
separate - correct answer-Cohesion cleavage
Which of the following mechanisms is used to control numbers of specific cell
types in a multicellular organism: - correct answer-Apoptosis, controlling cell
death, and controlling cell division
The presence of DNA damage in a cell will induce cell cycle arrest by - correct
answer-Activate p53 to induce expression of p21
Which of the following processes is responsible for removing self-recognizing T
cells from the immune system - correct answer-extrinsic factors that regulate
programmend cell death
, Which of the following types of cells would be capable of Meiosis I: - correct
answer-one that contains a pair of chromosome homolgue composed of a pair of
sister chromatids
Which of the following events underlies Mendel's law of segregation - correct
answer-separation of chromosome homologues during meiosis I
Which of the following is a true statement about how chromosome homologues
segregate into gametes and reflects Mendel's law of independent assortment -
correct answer-Maternally and paternally derived chromosome homologues
segregate randomly into gametes
Which of the following events underlies our ability to map genes on
chromosomes through genetic crosses - correct answer-recombination between
chromosome homologues during meiosis I
Cohesin is in which of the following states during meiosis I and which of the
following states during meiosis II - correct answer-intact in meiosis I, degraded in
meiosis II
Which of the following mutations in the gene for beta tubulin would behave as a
dominant allele - correct answer-a mutation that destroys its GTP hydrolysis
activity
Which of the following types of cells would be most likely to constitutively
progress into M phase?
A) a cell that has a loss of function mutation in SCF
2026/2027 | Complete Study Guide |
Practice Questions & Answers
Which of the following types of cells would be capable of entering the M phase of
the cell cycle - correct answer-a haploid cell with a pair of sister chromatids
Which of the following was capable of inducing G2-arrested oocytes to enter M
phase - correct answer-MPF & M-cyclin/CDK
Which of the following types of mutations in both copies of the gene would cause
cells to constitutively progress into M phase - correct answer-loss of function
mutation in Wee1
Which of the following types of cells would prevent a cell from progressing into
the S phase of the cell cycle - correct answer-loss of function mutation in SCF
Which of the following events of the cell cycle requires APC activity to allow exit
from M phase - correct answer-M-cyclin degradation
Which of the following mutations in a single copy of the Cdk gene would cause a
cell to constitutively enter M phase - correct answer-a mutation that changes its
activating phosphorylation site to Glu
,Which of the following mutations would need to be present in both copies of the
Cdk gene to cause cells to constitutively enter mitosis - correct answer-changing
its inhibitory phosphorylation site to Ala
Phosphorylation of which of the following by Cyclin/S-Cdk (or downstream kinase)
allows the origin to fire (begin replication): - correct answer-MCM
Phosphorylation of which of the following by Cyclin/S-Cdk (or downstream kinase)
prevents the origin from firing again until the next cell cycle - correct answer-ORC
and Cdc6
Which of the following is a target of phosphorylation by Cyclin/M-Cdk - correct
answer-Condensin, lamin, & MAPs
Which of the following promotes anaphase by allowing sister chromatids to
separate - correct answer-Cohesion cleavage
Which of the following mechanisms is used to control numbers of specific cell
types in a multicellular organism: - correct answer-Apoptosis, controlling cell
death, and controlling cell division
The presence of DNA damage in a cell will induce cell cycle arrest by - correct
answer-Activate p53 to induce expression of p21
Which of the following processes is responsible for removing self-recognizing T
cells from the immune system - correct answer-extrinsic factors that regulate
programmend cell death
, Which of the following types of cells would be capable of Meiosis I: - correct
answer-one that contains a pair of chromosome homolgue composed of a pair of
sister chromatids
Which of the following events underlies Mendel's law of segregation - correct
answer-separation of chromosome homologues during meiosis I
Which of the following is a true statement about how chromosome homologues
segregate into gametes and reflects Mendel's law of independent assortment -
correct answer-Maternally and paternally derived chromosome homologues
segregate randomly into gametes
Which of the following events underlies our ability to map genes on
chromosomes through genetic crosses - correct answer-recombination between
chromosome homologues during meiosis I
Cohesin is in which of the following states during meiosis I and which of the
following states during meiosis II - correct answer-intact in meiosis I, degraded in
meiosis II
Which of the following mutations in the gene for beta tubulin would behave as a
dominant allele - correct answer-a mutation that destroys its GTP hydrolysis
activity
Which of the following types of cells would be most likely to constitutively
progress into M phase?
A) a cell that has a loss of function mutation in SCF
