Genetics Test Review

What does DNA stand for?

• Deoxyribonucleic Acid

• Dioxynucleic Acid

• Deoxynucleic Acid

• Deoxyribic Acid

How many strands does DNA have?

• Single-stranded

• Double-stranded

• Triple-stranded

• Quadruple-stranded

Which of the following is NOT a component of DNA?

• Sugar

• Phosphate group

• Nitrogenous base

• Ribose

How many different nitrogenous bases are found in DNA?

• 2

• 3

• 4

• 5

Which of the following is NOT one of the nitrogenous bases in DNA?

• Adenine

• Thymine

• Guanine

• Uracil

What is the main function of DNA?

• Contains all information needed for making proteins

• Transports oxygen in the blood

• Provides energy for cells

• Protects the body from infections

What does RNA stand for?

• Ribonucleic Acid

• Ribose Nucleic Amide

• Ribonucleotide Acid

• Riboflavin Nucleic Acid

How many different nitrogen bases does RNA have?

• 2

• 3

• 4

• 5

Which nitrogen base is present in RNA instead of Thymine?

• Adenine

• Guanine

• Cytosine

• Uracil

What is the structure of RNA?

• Double-stranded helix

• Single-stranded helix

• Triple-stranded helix

• Quadruple-stranded helix