Question

question 8
during the reactions this type of energy may be given off
heat
light
sound
infrared
question 9
this type of inhibition is where the the final product becomes the inhibitor
competitive
feedback
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Explanation:

• For Question 8: In chemical reactions, heat is a common form of energy released. Reactions can be exothermic, giving off heat. Light, sound, and infrared can also be released in some specific reactions but heat is the most general and common.
• For Question 9: In feedback inhibition, the final product of a metabolic pathway acts as an inhibitor to an earlier - step enzyme in the pathway, regulating the production. In competitive inhibition, an inhibitor molecule competes with the substrate for the active - site of an enzyme.

Answer:

• Question 8: heat
• Question 9: feedback