Answer:
The enzyme’s active site binds to the substrate. Since enzymes are proteins, this site is composed of a unique combination of amino acid residues (side chains or R groups). Each amino acid residue can be large or small; weakly acidic or basic; hydrophilic or hydrophobic; and positively-charged.
Explanation:
I don’t think you’re looking for a part but I believe you’re looking for blood, more specifically the red blood cells
During the 1960 debates between the two candidates, Americans for the first time could tune in and watch the debates on television, or listen on the radio. ... When they turned on their television sets, they saw a tired Richard Nixon and a tanned, fit John Kennedy
Headache, nausea, vomiting, constipation, dizziness, spinning sensation, drowsiness, slurred speech, loss of balance or coordination, swollen or tender gums, sleep problems (insomnia), nervousness, tremors, rash.