Answer:
im actually doing really bad but i mean, thats life.. how are you?<3
Explanation:

Saliva contains Salivary Amylase, which helps in breakdown of sugar.
So, correct choice is (a) Amylase.
The site in a polynucleotide chain as to where the restriction enzyme cleaves nucleotides by hydrolyzing the phosphodiester bond between them.
Equilibrium means D, all of the above
Answer: Proteins
Explanation: A protein molecule is <u>made from a long chain of these amino acids</u>, each linked to its neighbor through a covalent peptide bond. <u>Proteins are therefore also known as polypeptides.</u>