The scrotum is a sac of skin that hangs from the body at the front of the pelvis, between the legs. It sits next to the upper thighs, just below the penis. The scrotum contains the testicles
The carbon attached to the alpha carboxyl and the alpha amino group is known as the alpha carbon. 2. All amino acids except glycine have four different groups attached to the alpha carbon. As a result, all amino acids have at least one asymmetric center (the alpha carbon).
Weathering describes the breaking down or dissolving of rocks and minerals on the surface of the Earth.