Question

Which of these organic molecules functions to help speed up biological chemical reactions?

a. lipids Eliminate
b. proteins
c. nucleic acids
d. carbohydrates

Answer 1

Proteins

Step-by-step explanation:

Proteins make up enzymes, or to put it another way enzymes are made up of protein. It is enzymes that speed up the chemical reactions. Enzymes are organic catalysts, substances that speed up a (biochemical) reaction but do not take part in the reaction and remain unchanged at the end of the reaction.

Answer 2

B. Proteins
Enzymes are a type of protein which act as catalysts to speed up reactions.