Multiple Choice
Which of the following differences between RNA and DNA is not true?
4. DNA, Chromosomes, and Genomes
DNA vs. RNA
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Which of the following is not a property of RNA?
A
Contains the base Uracil instead of Thymine
B
RNA can form 3D structures with complex functions
C
RNA is commonly found as a double helix
D
RNA can act as enzymes
Verified step by step guidance1
Understand the basic structure of RNA: RNA is typically single-stranded, unlike DNA which is double-stranded. This is a key structural difference.
Identify the bases present in RNA: RNA contains the bases adenine (A), guanine (G), cytosine (C), and uracil (U). Thymine (T) is replaced by uracil in RNA.
Recognize the functional capabilities of RNA: RNA can fold into complex three-dimensional structures, allowing it to perform various functions, including acting as ribozymes (RNA enzymes).
Compare RNA and DNA structures: While DNA is known for its stable double helix structure, RNA is not commonly found in this form. Instead, RNA's single-stranded nature allows it to form various secondary structures.
Evaluate the given options: Based on the properties of RNA, determine which statement incorrectly describes RNA. The statement 'RNA is commonly found as a double helix' is incorrect, as RNA is typically single-stranded.
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