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Which nitrogenous base is found in RNA but not in DNA?
Which nitrogenous base is found in RNA but not in DNA?
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Practice Questions
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Q1
Which nitrogenous base is found in RNA but not in DNA?
Thymine
Uracil
Cytosine
Adenine
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Uracil is a nitrogenous base found in RNA, replacing thymine which is present in DNA.
Questions & Step-by-step Solutions
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Q
Q: Which nitrogenous base is found in RNA but not in DNA?
Solution:
Uracil is a nitrogenous base found in RNA, replacing thymine which is present in DNA.
Steps: 6
Show Steps
Step 1: Understand that both DNA and RNA are made up of building blocks called nucleotides.
Step 2: Know that nucleotides contain a sugar, a phosphate group, and a nitrogenous base.
Step 3: Identify the nitrogenous bases: DNA has adenine (A), thymine (T), cytosine (C), and guanine (G).
Step 4: Identify the nitrogenous bases in RNA: RNA has adenine (A), uracil (U), cytosine (C), and guanine (G).
Step 5: Notice that thymine (T) is present in DNA but is replaced by uracil (U) in RNA.
Step 6: Conclude that uracil is the nitrogenous base found in RNA but not in DNA.
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