BIOLOGY
NUCLEIC ACIDS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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adenine
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thymine
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phosphate
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ribose
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Detailed explanation-1: -Uracil is unique in RNA. It is not found in DNA.
Detailed explanation-2: -Correct answer: Uracil is a nitrogenous base that is only found in single-stranded RNA-it is not found in DNA.
Detailed explanation-3: -DNA contains deoxyribose as the sugar component and RNA contains the sugar ribose. Polynucleotides are formed by covalent linkages between the phosphate of one nucleotide and the sugar of another, resulting in phosphodiester linkages.
Detailed explanation-4: -Quinoline is an alkaloid, it is not present in DNA. DNA has four nitrogen bases in adenine, guanine, cytosine and thymine.
Detailed explanation-5: -Answer and Explanation: The correct answer is d. Deoxyribose sugar. The deoxyribose sugar is found in the DNA, but it is not found in the RNA.