DiGeorge syndrome is the result of
A. failure of B-cell development and maturity.
B. autoantibodies.
C. congenital absence or immaturity of the thymus gland.
D. delayed hypersensitivity.
E. a genetic defect in the development of both T cells and B cells.
Answer: C
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In a Drosophila oocyte, bicoid mRNA produced by the mother is localized at one end of the egg rather than evenly distributed throughout the egg. This is an example of:
A. translational control of gene expression during development. B. translational control of development. C. hierarchical control of gene regulation during development. D. maternal developmental effect. E. oocyte polarization.
Fluid filtered into Bowman's capsule flows directly into the _____
a. renal artery c. distal tubule b. proximal tubule d. loop of Henle
Northern blotting is not useful in detecting the SNPs associated with the ?A and ?S alleles. Explain why
What will be an ideal response?
Type I Helper T cells are involved in
A. innate immunity B. humoral immunity C. cell mediated immunity D. chemical nonspecific