Understanding DNA and RNA

What are the four types of macromolecules discussed in the introduction?

• Carbohydrates, Proteins, Vitamins, Nucleic Acids

• Carbohydrates, Lipids, Minerals, Nucleic Acids

• Carbohydrates, Lipids, Proteins, Vitamins

• Carbohydrates, Lipids, Proteins, Nucleic Acids

Which component is NOT part of a nucleotide?

• Phosphate

• Sugar

• Nitrogenous Base

• Amino Acid

What is the shape of a DNA molecule?

• Triple Helix

• Linear Strand

• Double Helix

• Single Helix

Which sugar is found in RNA?

• Fructose

• Deoxyribose

• Ribose

• Glucose

In DNA, which base pairs with adenine?

• Uracil

• Thymine

• Guanine

• Cytosine

In RNA, which base pairs with adenine?

• Uracil

• Thymine

• Guanine

• Cytosine

What type of bond holds the nitrogenous bases together in DNA?

• Peptide Bond

• Covalent Bond

• Hydrogen Bond

• Ionic Bond

Which of the following is NOT a type of RNA mentioned?

• Messenger RNA

• Ribosomal RNA

• Catalytic RNA

• Transfer RNA

What is the main function of DNA in cells?

• To store energy

• To catalyze reactions

• To provide a recipe for proteins

• To transport nutrients

Which nitrogenous base is replaced by uracil in RNA?

• Adenine

• Cytosine

• Guanine

• Thymine