biology test Q&A GRADE A
centromeres split apart during - (correct answer)anaphase
during which phase of meiosis does the crossing over of chromosomes occur? - (correct
answer)prophase I
chemicals used in chemotherapy treatments to fight cancer can also harm cells in hair
follicles and bone marrow. What characteristic do these cells most likely share with
cancerous cells? - (correct answer)they divide rapidly
early in mitosis, the nucleus, nucleolus, and nuclear envelope begin to dissolve in
preparation for cell division. In which stage of the cell cycle is this process reversed? -
(correct answer)telophase
the equations summarize the process of fertilization. Which equation represents
fertilization? - (correct answer)haploid + haploid = diploid
an example of mitosis at work is a plant root - (correct answer)elongating
how does interphase prepare cells for mitosis? - (correct answer)growth of cell and
replication of DNA
how many chromosomes does a child inherit from his or her parents? - (correct
answer)23 from the mother and 23 from the father
if an organism's diploid number is 12, what would be its haploid number? - (correct
answer)6
imagine that a disorder that causes the cell cycle to stop affects the muscle cells of a
frog's leg. What consequence is most likely to follow? - (correct answer)an injury to the
muscle will not heal.
centromeres split apart during - (correct answer)anaphase
during which phase of meiosis does the crossing over of chromosomes occur? - (correct
answer)prophase I
chemicals used in chemotherapy treatments to fight cancer can also harm cells in hair
follicles and bone marrow. What characteristic do these cells most likely share with
cancerous cells? - (correct answer)they divide rapidly
early in mitosis, the nucleus, nucleolus, and nuclear envelope begin to dissolve in
preparation for cell division. In which stage of the cell cycle is this process reversed? -
(correct answer)telophase
the equations summarize the process of fertilization. Which equation represents
fertilization? - (correct answer)haploid + haploid = diploid
an example of mitosis at work is a plant root - (correct answer)elongating
how does interphase prepare cells for mitosis? - (correct answer)growth of cell and
replication of DNA
how many chromosomes does a child inherit from his or her parents? - (correct
answer)23 from the mother and 23 from the father
if an organism's diploid number is 12, what would be its haploid number? - (correct
answer)6
imagine that a disorder that causes the cell cycle to stop affects the muscle cells of a
frog's leg. What consequence is most likely to follow? - (correct answer)an injury to the
muscle will not heal.
