The signal transduction pathways<span> recruited by the receptors of these hormones and growth factors </span>are<span> of particular interest.
Im not too sure about this might wanna check it.</span>
1) appearance of beard and moustache
2) broadening of chest and shoulders
3) changing of voice into a more grave one
Answer:
four
Explanation:
Carbon atoms have four electrons in their outer shell. So, it exhibits tetravalency & thus, a single carbon atom can form a maximum of four (4) bonds with other atoms
