Nucleic Acids Quiz

What is the primary function of nucleic acids in the body?

• Provide energy

• Act as enzymes

• Store genetic information

• Transport oxygen

Which of the following is a purine base found in nucleic acids?

• Cytosine

• Thymine

• Uracil

• Adenine

Which sugar is found in RNA?

• Deoxyribose

• Ribose

• Glucose

• Fructose

Which of the following is NOT a component of a nucleotide?

• Phosphate group

• Nitrogenous base

• Amino acid

• Sugar

DNA differs from RNA in that DNA contains:

• Uracil instead of thymine

• Ribose sugar

• Double-stranded structure

• A single-stranded structure

The base pairing in DNA follows which rule?

• A–G, T–C

• A–U, C–G

• A–T, C–G

• A–C, T–G

Which base is unique to RNA?

• Cytosine

• Adenine

• Uracil

• Thymine

Which type of RNA carries amino acids to the ribosome?

• mRNA

• tRNA

• rRNA

• snRNA

The process of copying DNA into RNA is called:

• Translation

• Replication

• Transcription

• Mutation

How many hydrogen bonds are formed between guanine and cytosine?

• 1

• 2

• 3

• 4