The tRNA molecule determines the type of amino acid!
Physical Change, although the answer is widely disputed.
Answer:
1:Axial skeleton,2:hemopoietic blood cell,
Explanation:
hope it help i only know two
In biology, the active site is the region of an enzyme where substrate molecules bind and undergo a chemical reaction. The active site consists of residues that form temporary bonds with the substrate (binding site) and residues that catalyse a reaction of that substrate (catalytic site).
Prokaryotic cells doesn't have a nucleus.
