Explanation:
<h2>Chemicals can be toxic because they can harm us when they enter or contact the body. Exposure to a toxic substance such as gasoline can affect your health. Since drinking gasoline can cause burns, vomiting, diarrhea and, in very large amounts, drowsiness or death, it is toxic.</h2>
There are four major types of biomolecules are carbohydrates, lipids<span>, </span>nucleic acids, andproteins<span>. Portion of polynucleotide chain of </span><span>deoxyribonucleic acid aka dna</span>
Answer:
to protect the calf from predators
Explanation:
a substrate binds to an enzyme at the active site, where the reaction occurs.
