2. Endothermic, absorbing
Hope this helps :)
Answer: It's A.
Explanation: Simple I took the test and he didn't or he just want you to fail I don't so vote me brainliest.
A bio-molecule is a chemical molecule that naturally occurs in living
organisms. Bio-molecules consist primarily of carbon and hydrogen, along
with nitrogen, oxygen, phosphorus and sulfur.
The four types of bio-molecules are carbohydrates, proteins, lipids and nucleic acids.
Enzymes are constructed from chains of amino acids and go through the usual four stages of protein assembly.
Enzymes are proteins.
