The antibody molecule is held together by ________ bonds.
A) disulfide
B) hydrogen
C) amino acid
D) sodium
A) disulfide
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Which of the following statements about the female reproductive process is not true?
A) Rebuilding the endometrium is under the control of prolactin. B) The monthly discharge of the uterus (menses) is initiated by the decrease in secretion of female hormones. C) Ovulation usually occurs 14 days after the beginning of menses. D) Fertilization usually occurs in the fallopian tube.
Which of the following statements regarding blood capillaries and lymphatic capillaries is not true?
A. Both lymphatic and blood capillaries reabsorb fluid from tissue spaces. B. Lymphatic capillaries are closed at one end, unlike blood capillaries. C. Bacteria and lymphocytes may move into lymphatic capillaries through gaps between cells. D. Both lymphatic and blood capillaries are lined with endothelium. E. Endothelial cells of both blood and lymphatic capillaries are joined by tight junctions.
Which leukocyte becomes a mast cell when it movies into connective tissue?
A) Lymphocyte B) Eosinophil C) Basophil D) Monocyte