Hypoventilation would lead to a(n) ________ within the systemic arteries.
A) increase in PO2 and decrease in PCO2
B) selective increase in PO2
C) selective decrease in PCO2
D) decrease in PO2 and increase in PCO2
E) selective decrease in PO2
Answer: D) decrease in PO2 and increase in PCO2
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Soon after the island of Hawaii rose above the sea surface (somewhat less than one million years ago), the evolution of life on this new island should have been most strongly influenced by _____
A) a genetic bottleneck B) sexual selection C) habitat differentiation D) the founder effect
Consider the transplantation of tissue from a donor to a recipient who has a different HLA type but the same ABO blood type. Why will the recipient be likely to reject a kidney from the donor, but will not reject the blood from the donor?
A. There are no Class II MHC molecules on the red blood cells in the donor blood. B. There are no Class I MHC molecules on the kidney tissue from the donor. C. There are no Class I MHC molecules on the red blood cells in the donor blood. D. There are no ABO antigens on the kidney tissue.
White eyes in Drosophila is a mutation that turned
out to be an X-linked recessive. Would you expect that the first time the white eye was discovered it was in a male or female? What will be an ideal response?
Skeletal organization relating to limbs used for movement in vertebrates would be an example of homologous structures
a. true b. false