Scelta multipla
Enzymes belong to which category of organic molecules?
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1. Introduction to Biochemistry
Proteins
Scelta multipla
To what does the term "polypeptide" refer?
A
A molecule composed of nucleotides
B
A complex of multiple protein subunits
C
A carbohydrate polymer made of glucose units
D
A linear chain of amino acids linked by peptide bonds
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Understand the term 'polypeptide': A polypeptide is a linear chain of amino acids linked together by peptide bonds, which are formed through a condensation reaction between the carboxyl group (-COOH) of one amino acid and the amino group (-NH2) of another.
Eliminate incorrect options: A molecule composed of nucleotides refers to nucleic acids like DNA or RNA, not polypeptides.
Eliminate incorrect options: A complex of multiple protein subunits refers to a quaternary protein structure, not a single polypeptide chain.
Eliminate incorrect options: A carbohydrate polymer made of glucose units refers to polysaccharides like starch or glycogen, not polypeptides.
Conclude: The correct answer is 'A linear chain of amino acids linked by peptide bonds,' as this definition aligns with the structure and formation of polypeptides.
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