Multiple Choice
Which of the following is a key difference between DNA and RNA?
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15. Gene Expression
Introduction to Types of RNA
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In what way is RNA similar to DNA?
A
Both contain the sugar deoxyribose.
B
Both are double-stranded molecules.
C
Both are involved in protein synthesis.
D
Both are composed of nucleotides.
Verified step by step guidance1
Understand the basic structure of nucleic acids: Both DNA and RNA are composed of nucleotides, which are the building blocks of these molecules.
Recognize the components of a nucleotide: Each nucleotide consists of a sugar, a phosphate group, and a nitrogenous base.
Identify the sugars in DNA and RNA: DNA contains the sugar deoxyribose, while RNA contains the sugar ribose. This is a key difference between the two.
Examine the strand structure: DNA is typically double-stranded, forming a double helix, whereas RNA is usually single-stranded.
Consider the role in protein synthesis: Both DNA and RNA play crucial roles in protein synthesis, but they do so in different ways. DNA stores the genetic information, while RNA translates this information to synthesize proteins.
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