Which of the following molecules is NOT a polymer?
a.

starch

c.

glucose
b.

protein

d.

cellulose

Please select the best answer from the choices provided

A
B
C
D

the sugar-phosphate backbone forms the structural framework of nucleic acids, including dna and rna. this backbone is composed of alternating sugar and phosphate groups, and defines directionality of the molecule.

answer: substrate concentration. enzymes work best when there is a high enough substrate concentration for the reaction they catalyse.

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