Multiple Choice
Which of the following is a key structural difference between DNA and RNA?
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15. Gene Expression
Introduction to Types of RNA
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Which of the following is a key difference between DNA and RNA?
A
DNA is found only in the cytoplasm, while RNA is found only in the nucleus.
B
RNA has a deoxyribose sugar, while DNA has a ribose sugar.
C
RNA is typically single-stranded, while DNA is double-stranded.
D
DNA contains uracil, while RNA contains thymine.
Verified step by step guidance1
Identify the structural components of DNA and RNA. DNA (Deoxyribonucleic Acid) contains a deoxyribose sugar, while RNA (Ribonucleic Acid) contains a ribose sugar.
Understand the location of DNA and RNA within a cell. DNA is primarily located in the nucleus, while RNA can be found in both the nucleus and the cytoplasm.
Examine the strand structure of DNA and RNA. DNA is typically double-stranded, forming a double helix, whereas RNA is usually single-stranded.
Compare the nitrogenous bases present in DNA and RNA. DNA contains the bases adenine, thymine, cytosine, and guanine, while RNA contains adenine, uracil, cytosine, and guanine.
Evaluate the given options based on these differences. The correct statement is that RNA is typically single-stranded, while DNA is double-stranded.
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