Which type/s of hypersensitivities is IgG is involved with?
A. Anaphylaxis
B. Both anaphylaxis and antibody-mediated.
C. Both antibody-mediated and immune complex-mediated.
D. Antibody-mediated
E. Immune complex-mediated
Answer: C
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The movement of these blocks suggests that _____
A) during evolutionary time, these sequences have separated and have returned to their original positions B) DNA sequences within these blocks have become increasingly divergent C) sequences represented have duplicated at least three times D) chromosomal translocations have moved blocks of sequences to other chromosomes E) higher mammals have more convergence of gene sequences related in function
A photosynthetic electron-transport chain harnesses approximately what percentage of the sun's usable energy arriving at the surface of a leaf?
A. 8% B. 12% C. 24% D. 60% E. 95%
The above figure of a young cuckoo pushing a
resident age out of the nest demonstrates a. imprinting behavior. b. displaying instinctive behavior. c. feeding a social parasite. d. a learned behavior. e. all of these
Secondary endosymbiosis refers to
a. the chloroplast origin in primitive eukaryotic cells containing mitochondria. b. the stable retention of chloroplasts after the engulfment of red or green algae. c. the origin of hydrogenosomes. d. all of the above.