MHC incompatibility causes rejection of transplanted organs and at least a 75% match is needed for successful transplants between unrelated people.
a. true
b. false
Ans: a. true
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Which of the following is not true regarding the amphibian life cycle?
A. The adult life stage is carnivorous. B. The larval life stage is herbivorous. C. The larval life stage has lungs for breathing air. D. Reproduction must occur on land.
The principal polysaccharide found in fungal cell walls is also found in
a. archaebacterial cell walls. b. eubacterial cell walls. c. cell walls of land plants. d. cell walls of red algae. e. insect exoskeletons.
During pregnancy
a) the ovarian and uterine cycles occur more quickly then before b) GnRH is produced at a higher level than before c) the ovarian and uterine cycles do not occur d) the female secondary sex characteristics are not maintained
Discuss the ways in which light rays can be manipulated to increase resolution and/or contrast
What will be an ideal response?