BIO 93 Week 9 and 10: Cell Bio Exam
Questions and Answers with Verified
Solutions | Latest Updated 2026
37-1 How are cohesins removed A. By action of a kinase.
from
the arms of sister chromatids prior
to
metaphase in mitosis?
A. By action of a kinase.
B. By action of securin.
C. By action of separase.
D. Cohesins are not removed from
the arms of sister chromatids until
anaphase
A during mitosis.
E. By action of a phosphatase.
, 37-2 What would happen to the C. The cells would all be arrested in
cell M-phase.
cycle in S. pombe yeast cells in
liquid culture that have a
temperature sensitive mutation
that
inactivates separase one hour
after
the culture is incubated at the
restrictive temperature?
A. The cells would still be in
different
phases of the cell cycle.
B. The cells would all be arrested
in
G0.
C. The cells would all be arrested
in
M-phase.
D. The cells would all be dead.
E. The cells would still be in
different
stages of the cell cycle but would
have abnormal numbers of
chromosomes.
Questions and Answers with Verified
Solutions | Latest Updated 2026
37-1 How are cohesins removed A. By action of a kinase.
from
the arms of sister chromatids prior
to
metaphase in mitosis?
A. By action of a kinase.
B. By action of securin.
C. By action of separase.
D. Cohesins are not removed from
the arms of sister chromatids until
anaphase
A during mitosis.
E. By action of a phosphatase.
, 37-2 What would happen to the C. The cells would all be arrested in
cell M-phase.
cycle in S. pombe yeast cells in
liquid culture that have a
temperature sensitive mutation
that
inactivates separase one hour
after
the culture is incubated at the
restrictive temperature?
A. The cells would still be in
different
phases of the cell cycle.
B. The cells would all be arrested
in
G0.
C. The cells would all be arrested
in
M-phase.
D. The cells would all be dead.
E. The cells would still be in
different
stages of the cell cycle but would
have abnormal numbers of
chromosomes.
