Which part of the sperm contains a high concentration of enzymes?

In which of the following are microlecithal eggs found?

The function of mitochondria in sperm is

Identify the hormone that acts on the cells required for the nourishment of sperm and stimulates them.

At which stage does the formation of the acrosome occur during spermatogenesis?

$A$ boy who has not passed through puberty sustains an injury to his anterior pituitary such that $FSH$ is no longer released,but $LH$ secretion is normal. After he grows to maturity,one would expect that he would