Multiple Choice
Which sugar is a component of RNA nucleotides?
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1. Introduction to Biochemistry
Nucleic Acids
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Which biomolecule stores genetic information in body cells?
A
Proteins
B
DNA (Deoxyribonucleic acid)
C
Lipids
D
RNA (Ribonucleic acid)
Verified step by step guidance1
Step 1: Understand the role of biomolecules in the body. Biomolecules such as proteins, lipids, DNA, and RNA have distinct functions. Proteins are involved in enzymatic activity, structural support, and signaling. Lipids primarily serve as energy storage and structural components of membranes.
Step 2: Recall the function of nucleic acids (DNA and RNA). DNA (Deoxyribonucleic acid) is the molecule responsible for storing genetic information in cells, while RNA (Ribonucleic acid) plays a role in protein synthesis and gene expression.
Step 3: Analyze the question. It asks which biomolecule stores genetic information. Genetic information refers to the instructions for building and maintaining an organism, encoded in sequences of nucleotides.
Step 4: Compare the options provided. Proteins and lipids do not store genetic information; their functions are unrelated to encoding genetic instructions. RNA is involved in gene expression but does not serve as the primary storage molecule for genetic information.
Step 5: Conclude that DNA (Deoxyribonucleic acid) is the correct answer, as it is the biomolecule that stores genetic information in body cells.
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