Which of the following statements about enzymes are correct?
I Enzymes are proteins - VCE - SSCE Chemistry - Question 7 - 2007 - Paper 1
Question 7
Which of the following statements about enzymes are correct?
I Enzymes are proteins.
II Enzymes increase the rate of biochemical reactions.
III Enzymes increase th... show full transcript
Worked Solution & Example Answer:Which of the following statements about enzymes are correct?
I Enzymes are proteins - VCE - SSCE Chemistry - Question 7 - 2007 - Paper 1
Step 1
I Enzymes are proteins.
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
This statement is correct. Enzymes are biological catalysts that are predominantly made up of proteins, which play a crucial role in facilitating biochemical reactions.
Step 2
II Enzymes increase the rate of biochemical reactions.
99%
104 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
This statement is also correct. Enzymes lower the activation energy required for biochemical reactions, thus increasing the rate at which these reactions occur.
Step 3
III Enzymes increase the equilibrium constant of biochemical reactions.
96%
101 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
This statement is incorrect. Enzymes do not alter the equilibrium constant of a reaction; they only accelerate the rate at which equilibrium is reached.
