Chapter 20, Problem 17RA

Which of the following statements regarding spermatogenesis is false?

$\begin{array}{l}\text{a}\text{. Testosterone stimulates spermatogenesis}\text{.}\hfill \\ \text{b}\text{. The chromatin becomes highly compacted as protamines replace histone proteins}\text{.}\hfill \\ \text{c}\text{. Sertoli cells engulf spermatid cytoplasm by phagocytosis}\text{.}\hfill \\ \text{d}\text{. FSH is required for spermatogenesis to occur}\text{.}\hfill \end{array}$