What is the cause of sickle cell anemia?
question 5 options:
a change in one amino aci...
What is the cause of sickle cell anemia?
question 5 options:
a change in one amino acid in the polypeptide chain which changes the shape of the red blood cell
mosquitos
a change in the sequence of amino acids in hemoglobin which causes few red blood cells to be made
a change in one amino acid in the protein chain which causes hemoglobin to not be able to carry oxygen correctly
Answers: 2
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Which of the following is not considered an appendage of the skin? nails glands follicles none of the above
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Awoman whose sister tested positive for a specific mutation in the brca1 gene, which increases the risk for breast and ovarian cancer, is found not to have that mutation but does have a mutation of unknown significance near the known mutation site. how should this woman be counseled? select one: a. she should be informed that her risk for breast cancer is greater than the general population but not as great as her sister’s risk. b. she should be informed that because she does not have the mutation, her risk for breast cancer is not greater than that of the general population. c. she should be informed of her gene mutation status and be presented with all the available prophylaxis options and reconstruction options. d. she should be informed that she does not have the specific mutation but that because another mutation is present she should be vigilant about screening
Answers: 1
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What substance acts to prevent sudden ph changes in bodily fluids?
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Which of these transport mechanisms moves glucose from the blood into a cell? active transport diffusion facilitated diffusion osmosis
Answers: 1
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