The effect of competitive inhibitor on enzyme activity is such that it effects which of the following?
Correct answer: C. Decreases enzyme activity
- A. Increases enzyme activity
- B. Doesn't change enzyme activity
- C. Decreases enzyme activity
- D. None of these
Explanation
An enzyme inhibitor is a molecule that binds to an enzyme and blocks its activity. Enzymes are proteins that speed up chemical reactions necessary for life, in which substrate molecules are converted into products.Competitive inhibition is the interruption of a chemical pathway owing to one chemical substance inhibiting the effect of another by competing with it for binding or bonding.
Last updated
About Enzyme Inhibitors
Enzyme inhibitors reduce reaction rate by interfering with enzyme-substrate interaction or catalytic activity. Coverage includes reversible competitive, non-competitive and uncompetitive inhibition, the effects of inhibitor concentration on reaction rate, and why competitive inhibition can be reduced by increasing substrate concentration.
Practise Enzymes
633 free Enzymes MCQs from Biology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Biology questions like this
Biology is on 6 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
Related questions
A chemical substance that reacts with enzyme but is not transformed into product and thus blocking active site is called__________?
A chemical substance which can react (in place of substrate) with the enzyme but is not transformed into product/s and thus blocks the active site temporarily or permanently is called_______________?
A competitive inhibitor slows an enzyme catalysed reaction by
A substance which binds at the active site of the enzyme but does not result in the formation of the products is called________________?
Allosteric enzymes