The enzyme succinic acid dehydrogenase converts succinic acid into fumaric acid. In this reaction succinic acid is a:
Correct answer: C. Substrate
- A. Product
- B. Inhibitor
- C. Substrate
- D. Activator
Explanation
The substrate is the initial molecule upon which an enzyme acts. Here succinic acid is converted by the enzyme into fumaric acid, making succinic acid the substrate.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? [email protected]
About Enzymes
Enzymes are biological catalysts that lower activation energy without being consumed, and their specificity is explained by the lock and key and induced fit models. Work includes the effects of temperature, pH and substrate concentration on reaction rate, plus competitive and non-competitive inhibition and how these differ.
Practise Enzymes
633 free Enzymes MCQs from Biology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Biology questions like this
Biology is on 8 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
More Enzymes questions
For enzymes of the human body, what temperature is best?
An activated enzyme consisting of a polypeptide chain and a co-factor is called a/an:
Which of the following properties of an amino acid is affected by a change in pH?
Which one of the following factors does not affect the rate of enzyme action?
The temperature that promotes the maximum activity of enzymes is referred to as:
Optimum pH of enterokinase is: