Each of the following is an effect of complement activation EXCEPT
A) interference with viral replication.
B) bacterial cell lysis.
C) opsonization.
D) increased phagocytic activity.
E) increased blood vessel permeability.
A
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What occurs during leptotene of prophase I?
A. The homologous chromosomes recognize one another by synapsis. B. Crossing over occurs. C. The replicated chromosomes condense. D. The synaptonemal complex dissociates. E. None of the answers are correct.
What will happen to a child that is fed formula instead of breast milk?
A. The child will not receive any antibodies from the mother. B. The child can never develop certain antibodies. C. The child will receive less antibodies from the mother. D. The child will never have passive immunity.
The healthiest carbohydrates are
a. simple sugars. b. disaccharides. c. fruit sugars. d. "complex" carbohydrates e. cane sugars.
Sister chromatids separate and move toward the poles of the cell during ________ of mitosis.
A. telophase B. anaphase C. metaphase D. interphase E. prophase