QQuestionAnatomy and Physiology
QuestionAnatomy and Physiology
Which is a monomer of a protein?
A. monosaccharide
B. amino acid
C. nucleotide
D. fatty acid
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Answer
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Step 1:I'll solve this step-by-step:
Step 2:: Understand the definition of a monomer
- A monomer is the basic structural unit that combines to form a larger molecule (polymer) - In the context of proteins, we need to identify which molecule serves as the basic building block
Step 3:: Analyze each option
A. Monosaccharide - This is a simple sugar (monomer of carbohydrates) - NOT the monomer of proteins B. Amino acid - Amino acids are the fundamental building blocks of proteins - They link together through peptide bonds to form protein chains - CORRECT answer C. Nucleotide - Nucleotides are monomers of nucleic acids (DNA and RNA) - NOT the monomer of proteins D. Fatty acid - Fatty acids are components of lipids - NOT the monomer of proteins
Step 4:: Confirm the protein structure
- Proteins are polymers composed of amino acids - Amino acids have a central carbon atom bonded to:
Step 5:
An amino group ($$NH_{2}$$)
Step 6:
A carboxyl group ($$COOH$$)
Step 7:
A side chain (R group)
Final Answer
B. amino acid
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