Which statement about the testes is false?
a. the seminiferous tubules produce sperm, the male gamete
b. the interstitial tissue (leydig) cells secrete the primary androgen, testosterone
c. testosterone is needed for the development of the male sex accessory organs, that include the prostate, seminal vesicles, epididymis, and ductus deferns
d. testosterone is required for the development of male secondary sexual characteristics
e. all statements true