Multiple Choice
What are two structural differences between DNA and RNA nucleotides?
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4. Biomolecules
Nucleic Acids
Multiple Choice
Which of the following functions can be attributed to nucleic acids and nucleotides?
A
Providing structural support to cells
B
Catalyzing metabolic reactions
C
Transporting oxygen in the blood
D
Storing and transmitting genetic information
Verified step by step guidance1
Understand the role of nucleic acids: Nucleic acids, such as DNA and RNA, are essential biomolecules that store and transmit genetic information within a cell. They are not involved in providing structural support, catalyzing reactions, or transporting oxygen.
Identify the components of nucleic acids: Nucleic acids are composed of nucleotides, which are the building blocks. Each nucleotide consists of a sugar, a phosphate group, and a nitrogenous base.
Recognize the function of nucleotides: Nucleotides are involved in storing genetic information in sequences of bases (adenine, thymine, cytosine, guanine in DNA; adenine, uracil, cytosine, guanine in RNA) and transmitting this information during processes like replication and transcription.
Differentiate nucleic acids from other biomolecules: Proteins, not nucleic acids, are typically responsible for catalyzing metabolic reactions (as enzymes) and transporting oxygen (as hemoglobin). Structural support is often provided by proteins and carbohydrates.
Conclude the primary function: The primary function of nucleic acids and nucleotides is to store and transmit genetic information, which is crucial for inheritance and the functioning of living organisms.
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