Question

Identify the wrong match.
I. \hspace{2cm} \= Acidy amino acid \hspace{1cm} \= = \hspace{1cm} \= Valine
II. \hspace{2cm} \= Neutral amino acid \hspace{1cm} \= = \hspace{1cm} \= Tryptophan
III. \hspace{2cm} \= Aromatic amino acid \hspace{1cm} \= = \hspace{1cm} \= Tyrosine
IV. \hspace{2cm} \= Basic amino acid \hspace{1cm} \= = \hspace{1cm} \= Lysine

• A. $\text{I and III}$
• B. $\text{I and II}$
• C. $\text{I and IV}$
• D. $\text{II and IV}$

Hint:

Acidic amino acids contain a carboxyl group, and neutral amino acids do not have a charged side chain. Aromatic amino acids have a ring structure, and basic amino acids have an amino group that is positively charged.

Answer 1

The Correct Option is B

Step 1: The correct matches are as follows:
- Acidic amino acid = Glutamic acid (This is correct, as glutamic acid is an acidic amino acid).
- Neutral amino acid = Tryptophan (This is correct, as tryptophan is a neutral amino acid).
- Aromatic amino acid = Tyrosine (This is correct, as tyrosine is an aromatic amino acid).
- Basic amino acid = Lysine (This is correct, as lysine is a basic amino acid).
Step 2: The wrong match is:
- Acidic amino acid = Valine (This is incorrect, as valine is a neutral amino acid, not acidic).
Thus, the correct answer is option (2) "I and II."