4, Human sperm cell has 23 chromosomes & human nerve cell has 46 chromosomes. This is due to the reason that:-
A, Nerve cell diploid C, Nerve cell is haploid
B, Sperm cell is diploid D, sperm cell is triploidn

Four types of motile cells in human body?

Which statement about relative potential energy of electrons is correct? a. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 2 s orbital of the second electron shell. b. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 3 p orbital of the third electron shell. c. an electron in the 3 p orbital of the third electron shell has more potential energy than an electron in the 2 p orbital of the second electron shell.

This is a scaffolding of protein fibers that us sell keep it shape in a cell division and cell movement