객관식
Which of the following best describes the primary structure of a nucleic acid?
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1. Introduction to Biochemistry
Nucleic Acids
객관식
In the context of nucleic acids and cellular energetics, ATP is best classified as which type of biomolecule?
A
A polypeptide hormone composed of amino acids
B
A nucleotide (ribonucleotide) derived from adenine, ribose, and three phosphate groups
C
A polysaccharide used for structural support in cell walls
D
A neutral storage lipid (triacylglycerol)
검증된 단계별 안내1
Recall the major classes of biomolecules: carbohydrates, lipids, proteins, and nucleic acids.
Identify the structural components of ATP: adenine (a nitrogenous base), ribose (a sugar), and three phosphate groups.
Recognize that molecules composed of a nitrogenous base, a sugar, and phosphate groups are classified as nucleotides.
Understand that ATP (adenosine triphosphate) is a ribonucleotide because it contains ribose as its sugar.
Conclude that ATP is best classified as a nucleotide, which is a building block of nucleic acids and also serves as a key molecule in cellular energetics.
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