Nucleic Acids Quiz

What are nucleic acids responsible for within a species?

• Energy production

• Inheritance

• Photosynthesis

• Respiration

What are the three components of a nucleotide?

• A pentose sugar, a nitrogenous base, and a phosphate group

• A hexose sugar, a lipid, and a protein

• A glucose molecule, a fatty acid, and a phosphate group

• A ribose sugar, a nitrogenous base, and a lipid

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

• Hydrolysis reactions

• Condensation reactions

• Oxidation reactions

• Reduction reactions

What forms the backbone of DNA and RNA?

• Lipid and protein

• Sugar and lipid

• Sugar and phosphate

• Protein and phosphate

What determines the order of the base sequence in nucleic acids?

• The type of sugar

• The type of phosphate

• The coded instruction

• The nitrogenous base

Which of the following bases is a purine?

• Cytosine

• Thymine

• Adenine

• Uracil

What type of sugar is found in DNA nucleotides?

• Ribose

• Deoxyribose

• 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)