Multiple Choice
Which of the following functional groups is commonly found as the active site in enzymes?
2. Molecular Representations
Functional Groups
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Which of the following functional groups is commonly used as a key marker for the identification of bacteria?
A
Hydroxyl group
B
Phosphate group
C
Amino group
D
Carboxyl group
Verified step by step guidance1
Identify the functional groups listed in the problem: Hydroxyl group, Phosphate group, Amino group, and Carboxyl group.
Understand the role of each functional group in biological systems. For example, the hydroxyl group (-OH) is common in alcohols, the phosphate group (PO₄³⁻) is involved in energy transfer and nucleic acids, the amino group (-NH₂) is found in amino acids, and the carboxyl group (-COOH) is present in organic acids.
Consider the context of the problem, which is the identification of bacteria. Bacteria often have specific markers that can be used for identification.
Recall that the phosphate group is a key component of nucleic acids (DNA and RNA) and is often used in molecular biology techniques to identify and study bacteria.
Conclude that the phosphate group is commonly used as a key marker for the identification of bacteria due to its presence in nucleic acids and its role in various biological processes.
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