Immunoglobulins that attach to and sensitize mast cells and basophils are
A) IgA.
B) IgD.
C) IgE.
D) IgG.
E) IgM.
Answer: C
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Mechanical digestion refers to
A) the progressive dehydration of indigestible residue. B) the absorption of nutrients in the gut. C) the effects of chewing, churning, and segmentation. D) the input of food into the digestive tract. E) the enzymatic breakdown of food.
Somites give rise to ________.
A. glands B. muscles C. blood D. nerves E. spinal cord
Choose the event in the male reproductive process that does not involve the Sertoli cells.
A. Protection of developing sperm from the male's immune system B. Production of testosterone C. Production of androgen-binding protein D. FSH stimulation of spermiogenesis
A child's growth would be stunted by thyroid hormone deficiency.
Answer the following statement true (T) or false (F)