Question

question 1
what type of molecule is an enzyme?
protein
carbohydrate
lipid

question 2
enzymes are specific to one substrate
true
false

Explanation:

Enzymes are biological catalysts. Most enzymes are proteins. They have specific shapes that allow them to bind to specific substrates. This is known as the "lock - and - key" model. Just like a key fits only one lock, an enzyme (the "key") fits only one specific substrate (the "lock").

Answer:

Question 1: Protein
Question 2: True