Question

what is responsible for speeding up reactions in your body? (choose all that apply)
enzymes
substrates
rna
proteins
rewatch
submit

Explanation:

Enzymes are biological catalysts that speed up chemical reactions in the body. Substrates are the substances on which enzymes act, not what speeds up reactions. While some RNAs can have catalytic activity (ribozymes), they are not the main entities speeding up reactions in the body compared to enzymes. Proteins in general are not responsible for speeding up reactions in the way enzymes are.

Answer:

enzymes