B is the answer to your question
<span>helicase<span>DNA helicase is the enzyme that unwinds the DNA double helix by breaking the hydrogen bonds down the center of the strand. It begins at a site called the origin of replication, and it creates a replication fork by separating the two sides of the parental DNA.<em /></span></span>
Answer:
The answer to your question is below
Explanation:
Glucose it is a sugar and then a biomolecule. It is necessary in the
cellular respiration because it helps in the production of
ATP.
Small 90% of the absorption of the nutrients is in the Small
intestine.
H₂O water is a very useful molecule that is necessary in most of
the chemical reactions.
Small I was doubting between small and large intestine, I finally
decided by small intestine because it absorbs 90% of all
the water.
First one is correct. ...remeber my teacher telling us enzymes never get used