Answer:
At the “center” of each amino acid is a carbon called the α carbon and attached to it are four groups - a hydrogen, an α- carboxyl group, an α-amine group, and an R-group, sometimes referred to as a side chain.
Explanation:
To control,maintain a rate or speed
Sinks of carbon dioxide can be farms grasslands or forest
Answer: i feel like color and size should be switched.
Explanation: