Which describes the function of the human sperm cell’s structure?

a)the nucleus contains all 46 chromosomes.
b)the tail allows it to travel to the egg.
c)the head contains a basic substance that counteracts acidic substances in the vagina.
d)the sperm’s structure allows it to live for two weeks in the vagina.

Monitor and apply fix up stratorgies

Cathy hypothesized that corn would not grow in mud. to test this hypothesis, she took corn kernels and placed 5 in mud, 3 in soil, and 2 in water. to her surprise, the kernels in the mud grew faster than the kernels in the soil. what error might have caused these unexpected results? a. wrong hypothesis b. not enough variables c. undefined control d. too many variables

Explain the significance of meiosis in sexual reproduction