Why are viruses considered to be nonliving?

a. they have no genetic material.

b. they cannot reproduce without a host cell.

c. they do not respond to their environment.'

d. they cannot use energy.

The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol

The first amino acid of a new polypeptide chain is

Amniocentesis is a process in which amniotic fluid is taken from the mother's womb to identify any genetic abnormalities in the fetus. how would the discovery of the human genome contribute to this process?