Humoral immunity is mostly the function of
A. cytotoxic T cells.
B. B cells.
C. MHC I.
D. complement cells.
E. mast cells.
B. B cells.
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In plants and animals, the zygote develops by which of the following processes?
A. mitosis B. meiosis C. syngamy D. synapsis E. reduction division
A patient has a disease with symptoms in the outer ear, nose, larynx, and spine. Which cells are most likely to have a problem?
A. Erythrocytes B. Fibroblasts C. Chondrocytes D. Leukocytes E. Osteocytes
The study of the genetic variability within a population and the forces that change allele frequencies is:
a. variation ecology. b. evolutionary genetics. c. population genetics. d. cytogenetics. e. allele genetics
An essential amino acid is one that:a
can only be obtained by eating plant and not animal protein. b. is absolutely required in large quantities for the body to function. c. is required in amounts of less than 100 milligrams per day. d. must be converted to glucose in the liver. e. cannot be made by the body, so it must be supplied in the diet.