Question

The head of mature mammalian sperm is made of
(a) an acrosome
(b) elongated nucleus covered by acrosome
(c) two centrioles and an axial filament
(d) nucleus, acrosome, cytoplasm and
mitochondrial sheath

Answer 1

Answer:

b) elongated nucleus covered by acrosome

Explanation:

The mammalian sperm cell consists of a head, a midpiece and a tail. The head contains the nucleus with densely coiled chromatin fibres, surrounded anteriorly by an acrosome, which contains enzymes used for penetrating the female egg. Hence, option B is correct.