B...............................
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:
Hiccups are caused by not having enough air. Scaring some one causes them to take a deep breath getting more air and stopping the hiccups. Not 100% sure that's right though.
One of the actual definitions is a deep feeling of affection. But, in all reality you have to experience it for yourself to truly understand what love means
