Nucleic Acids

The sugar that is in the backbone of DNA is called___________.

• deltaglucose

• deoxyribose

• fructose

• ribose

Which of the following is NOT a type of nucleic acid?

• DNA

• RNA

• ATP

• All of the above are types of nucleic acids.

Which of the following is a component of a nucleotide?

• a nitrogenous base

• a sugar molecule

• a phosphate group

• all of the above

Which of the following nitrogenous bases is NOT found in RNA?

• Adenine

• Thymine

• Cytosine

• Uracil

What is the difference between ribonucleic acid (RNA) and deoxyribonucleic acid (DNA)?

• RNA has a single strand, while DNA has a double strand

• RNA contains the base thymine, while DNA contains uracil

• RNA is found only in the nucleus, while DNA is found in the cytoplasm.

• All of the above

What is the building block of Nucleic Acids?

• amino acids

• nucleotides

• carbohydrates

• lipids

What type of bond holds the two strands of DNA together?

• hydrogen bond

• ionic bond

• covalent bond

• van der waals force

What is the complementary base pairing in DNA?

• Adenine- Thymine and Guanine - Cytosine

• Adenine- Cytosine and Thymine- Guanine

• Adenine- Guanine and Thymine- Cytosine

• Adenine- Uracil and Guanine- Cytosine

Which of the following is a purine?

• Cytosine

• Adenine

• Thymine

• Uracil

All nucleic acids ______________.

• are double-stranded

• are polymers of nucleotides

• are double-helical

• contain deoxyribose sugar