Nucleic Acids Quiz

What are nucleic acids responsible for within a species?

• Energy production

• Inheritance

• Photosynthesis

• Respiration

Which component of a nucleotide is attached to the sugar at the 1’-carbon?

• Phosphate group

• Nitrogenous base

• Pentose sugar

• Amino acid

What forms the backbone of DNA and RNA?

• Amino acids

• Lipids

• Sugar-phosphate

• Proteins

What type of reaction joins nucleotides together to form polynucleotide chains?

• Hydrolysis

• Condensation

• Oxidation

• Reduction

What is the role of the sugar-phosphate backbone in nucleic acids?

• To store energy

• To form a backbone

• To catalyze reactions

• To transport molecules

Which of the following bases is a purine?

• Cytosine

• Thymine

• Adenine

• Uracil

What sugar is found in the nucleotides of RNA?

• Deoxyribose

• Ribose

• Glucose

• Fructose

Which base is used in RNA instead of thymine?

• Adenine

• Guanine

• Cytosine

• Uracil

What is the structure formed by two polynucleotide strands in DNA?

• Single helix

• Double helix

• Triple helix

• Quadruple helix

Which type of RNA brings amino acids to the ribosome?

• Messenger RNA (mRNA)

• Transfer RNA (tRNA)

• Ribosomal RNA (rRNA)

• Nuclear RNA (nRNA)