Question

proteins are able to... (pick all that apply)
create enzymes to speed up chemical reactions
produce antibodies to protect us from disease
create hormones
can kill us

Explanation:

Enzymes are proteins that catalyze chemical reactions. Antibodies are proteins that help the immune - system fight diseases. Some proteins act as hormones. While mis - folded or abnormal proteins can cause problems, proteins themselves don't inherently "kill us" in a normal context.

Answer:

create enzymes to speed up chemical reactions
produce antibodies to protect us from disease
create hormones