RNA vs DNA

The sugar in RNA is ____________________.

• deoxyribose

• ribose

What nitrogenous base does RNA have that DNA does not?

• Thymine

• Cytosine

• Uracil

• Guanine

What is the main structural difference between DNA and RNA?

• DNA is single-stranded, RNA is double-stranded

• DNA contains ribose, RNA contains deoxyribose

• DNA is double-stranded, RNA is single-stranded

• DNA contains uracil, RNA contains thymine

What type of bases are Adenine and Guanine classified as?

• Pyrimidine bases

• Purine bases

• Sugar bases

• Phosphate bases

What type of sugar is found in the nucleotides of DNA?

• Glucose

• Ribose

• Deoxyribose

• Fructose

DNA contains the bases Adenine, Guanine, Cytosine and Thymine.  Which base is replaced in RNA by another base?

• Adenine is replaced by Uracil

• Thymine is replaced by Uracil

• Guanine is replaced by Uracil

• Cytosine is replaced  Uracil

DNA contains _____________________sugar.

• fructose

• deoxyribose

• galactose

• ribose

Which of the following is a key structural difference between RNA and DNA?

• RNA is double-stranded, DNA is single-stranded

• RNA contains deoxyribose, DNA contains ribose

• RNA contains uracil, DNA contains thymine

• RNA is more stable than DNA

What is the primary function of RNA in cells?

• Store genetic information

• Catalyze biochemical reactions

• Transmit genetic information

• Provide structural support

Which enzyme is responsible for synthesizing RNA from a DNA template?

• DNA polymerase

• RNA polymerase

• Ligase

• Helicase