Which functional group is present in all amino acids?

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Question: Which functional group is present in all amino acids?

Options:

Correct Answer: Carboxylic acid

Solution:

All amino acids contain a carboxylic acid group (-COOH) along with an amino group (-NH2).

Which functional group is present in all amino acids?

Which functional group is present in all amino acids?

Step 1: Understand that amino acids are the building blocks of proteins.
Step 2: Know that each amino acid has a specific structure.
Step 3: Identify the two main functional groups in amino acids: the amino group (-NH2) and the carboxylic acid group (-COOH).
Step 4: Recognize that the carboxylic acid group (-COOH) is present in all amino acids.
Step 5: Conclude that the functional group present in all amino acids is the carboxylic acid group (-COOH).

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