What must happen before a body cell can begin mitotic cell division?
A)Its DNA must be replicated exactly so that identical copies of the cell's genes can be passed on to each of its offspring.
B)The DNA undergoes mutation in order to increase variation in the cell population.
C)Its DNA must be divided in half so that half can go to one daughter cell and half can go to the other daughter cell.
D)The DNA is expelled from the cell so that it will not be affected by the division process.
A)Its DNA must be replicated exactly so that identical copies of the cell's genes can be passed on to each of its offspring.
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What is the primary reason cardiovascular disease affects older women and not younger women?
A) Older women are less likely to smoke. B) Older women are less likely to see a doctor. C) Older women lack estrogen. D) Older women are more likely to have osteoporosis. E) Older women lack growth hormone.
Amino acids are building blocks of ________.
What will be an ideal response?
Lymph returns to the blood by way of the:
a. aorta b. thoracic duct c. superior vena cava d. inferior vena cava
A person has a recessive, faulty allele for a disease, but the person does not have the disease since they also have a normal dominant allele. This person
A. has the disease but cannot pass this disease to their offspring. B. cannot produce gametes. C. is termed a carrier. D. is homozygous for the disease.