Question:
Which of the following statements are correct?
A) \(α\) - amino acids present in protein is L- amino acid.
B) Amino acids contain \(\text{NH}_2\) as well as COOH group.
C) Number of amino group and carboxylic group are same in amino acids always.
D) Tryosine was firstly obtained from cheese.
Choose the correct alternatives from below:
Which of the following statements are correct?
A) \(α\) - amino acids present in protein is L- amino acid.
B) Amino acids contain \(\text{NH}_2\) as well as COOH group.
C) Number of amino group and carboxylic group are same in amino acids always.
D) Tryosine was firstly obtained from cheese.
Choose the correct alternatives from below:
A) \(α\) - amino acids present in protein is L- amino acid.
B) Amino acids contain \(\text{NH}_2\) as well as COOH group.
C) Number of amino group and carboxylic group are same in amino acids always.
D) Tryosine was firstly obtained from cheese.
Choose the correct alternatives from below:
Show Hint
A, B and D are true; the numbers of amino and carboxyl groups are not always equal.
Updated On: Oct 1, 2026
- A and B only
- A, B and C only
- B, C and D only
- A, B and D only
Show Solution
Verified By Collegedunia
The Correct Option is D
Solution and Explanation
Step 1: Check statement A
The alpha amino acids found in proteins have the L configuration. TRUE.
Step 2: Check statement B
An amino acid contains both an amino group and a carboxyl group. TRUE.
Step 3: Check statement C
Amino acids may be acidic (more COOH, such as aspartic acid), basic (more NH2, such as lysine) or neutral. So the numbers are not always the same. FALSE.
Step 4: Check statement D
Tyrosine was first obtained from cheese (Greek tyros means cheese). TRUE.
Final Answer:
Statements A, B and D are correct, option (D). \[ \boxed{\text{A, B and D only}} \]
The alpha amino acids found in proteins have the L configuration. TRUE.
Step 2: Check statement B
An amino acid contains both an amino group and a carboxyl group. TRUE.
Step 3: Check statement C
Amino acids may be acidic (more COOH, such as aspartic acid), basic (more NH2, such as lysine) or neutral. So the numbers are not always the same. FALSE.
Step 4: Check statement D
Tyrosine was first obtained from cheese (Greek tyros means cheese). TRUE.
Final Answer:
Statements A, B and D are correct, option (D). \[ \boxed{\text{A, B and D only}} \]
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