D.)The enzyme changes shape and no longer fits the substrate.
High temp causes enzymes to speed up the reaction but too much heat and the enzyme might denature, losing its shape.
3rd and 4th awnsers are correct
I get it!
a. carbohydrates - glycogen or starch (these are sugars)
b. proteins - hemoglobin or enzyme (these are examples of proteins)
c. lipids - cholesterol or fat
d. nucleic acids - DNA or RNA