Multiple Choice
Which of the following molecules can be translated into protein?
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15. Gene Expression
Central Dogma
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Which of the following statements is incorrect regarding DNA and RNA?
A
RNA contains the sugar ribose, whereas DNA contains the sugar deoxyribose.
B
DNA uses uracil as a base, while RNA uses thymine.
C
DNA is double-stranded while RNA is typically single-stranded.
D
DNA is primarily found in the nucleus, while RNA can be found in both the nucleus and cytoplasm.
Verified step by step guidance1
Identify the key differences between DNA and RNA, focusing on their sugar components, nitrogenous bases, strand structure, and cellular location.
Understand that DNA contains the sugar deoxyribose, while RNA contains the sugar ribose. This is a fundamental difference between the two molecules.
Recognize that DNA uses the nitrogenous base thymine, whereas RNA uses uracil. This is a critical distinction in their base pairing.
Recall that DNA is typically double-stranded, forming a double helix structure, while RNA is usually single-stranded, allowing it to perform various functions in the cell.
Consider the cellular locations of DNA and RNA: DNA is primarily located in the nucleus, whereas RNA can be found in both the nucleus and the cytoplasm, reflecting its role in protein synthesis.
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