Understanding Nucleotides: DNA vs RNA

What are the three main components of a nucleotide?

• Phosphate group, pentose sugar, nitrogenous base

• Phosphate group, hexose sugar, nitrogenous base

• Phosphate group, hexose sugar, amino acid

• Phosphate group, pentose sugar, amino acid

Which type of nitrogenous base consists of two carbon rings?

• Pyrimidine

• Purine

• Ribose

• Deoxyribose

What sugar is found in RNA nucleotides?

• Deoxyribose

• Fructose

• Ribose

• Glucose

Which nitrogenous base is unique to RNA?

• Cytosine

• Uracil

• Adenine

• Thymine

Why is it important to draw nucleotides during exams?

• It helps visualize and understand the structure better

• Drawing is more important than writing

• It is a requirement for passing

• It helps in memorizing the structure