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Multiple Choice
Which of the following could be a nucleotide of RNA?
A
Deoxycytidine diphosphate (dCDP)
B
Deoxyadenosine monophosphate (dAMP)
C
Adenosine triphosphate (ATP)
D
Thymidine triphosphate (TTP)
Verified step by step guidance
1
Understand the structure of a nucleotide: A nucleotide consists of a nitrogenous base, a five-carbon sugar, and one or more phosphate groups.
Identify the sugar component: RNA nucleotides contain ribose sugar, whereas DNA nucleotides contain deoxyribose sugar.
Examine the given options: Deoxycytidine diphosphate (dCDP) and Deoxyadenosine monophosphate (dAMP) both contain deoxyribose, indicating they are DNA nucleotides.
Consider the nitrogenous bases: RNA nucleotides can have adenine, guanine, cytosine, or uracil as their base. Thymidine triphosphate (TTP) contains thymine, which is not found in RNA.
Recognize the correct RNA nucleotide: Adenosine triphosphate (ATP) contains ribose sugar and adenine, making it a nucleotide of RNA.