Multiple Choice
Which of the following correctly matches the type of RNA with its primary function?
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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
RNA has deoxyribose sugar, whereas DNA has ribose sugar.
B
RNA contains uracil instead of thymine.
C
DNA is found only in the cytoplasm, while RNA is found only in the nucleus.
D
DNA is single-stranded, while RNA is double-stranded.
Verified step by step guidance1
Identify the structural components of DNA and RNA. DNA contains the sugar deoxyribose, while RNA contains the sugar ribose.
Examine the nitrogenous bases present in DNA and RNA. DNA contains adenine, thymine, cytosine, and guanine, whereas RNA contains adenine, uracil, cytosine, and guanine.
Understand the typical structure of DNA and RNA. DNA is usually double-stranded, forming a double helix, while RNA is typically single-stranded.
Consider the cellular location of DNA and RNA. DNA is primarily located in the nucleus of eukaryotic cells, while RNA can be found in both the nucleus and the cytoplasm.
Review the key differences and identify the correct statement: RNA contains uracil instead of thymine, which is a fundamental difference between RNA and DNA.
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