Which of the following is the correct pathway of sperm cells from their formation to ejaculation?
A. Seminiferous tubule, epididymis, rete testis, ductus deferens, ejaculatory duct, urethra
B. Seminiferous tubule, rete testis, epididymis, ductus deferens, ejaculatory duct, urethra
C. Seminiferous tubule, epididymis, rete testis, urethra, ejaculatory duct, ductus deferens
D. Seminiferous tubule, rete testis, epididymis, ejaculatory duct, urethra, ductus deferens
E. Seminiferous tubule, epididymis, rete testis, ejaculatory duct, ductus deferens, urethra
Answer: B
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____ increases the surface area of the cell, whereas membrane surface area decreases with _____
What will be an ideal response?
When rhodopsin is exposed to light,
A. more rhodopsin is formed. B. retinal separates from opsin. C. the cones generate action potentials. D. free retinal is converted to vitamin A. E. retinal becomes more attached to opsin.
Which type of white blood cell is the most numerous in a given blood sample?
A. Lymphocytes B. Basophils C. Eosinophils D. Neutrophils
Which of the following is associated with passive immunity?
A) booster shot of vaccine B) exposure to an antigen C) infusion of weakened viruses D) passage of IgG antibodies from a pregnant mother to her fetus