DNA and Mutations Quiz

What is DNA?

• A type of protein

• A simple molecule found only in certain living things

• A large, complex molecule found in all living things

• A carbohydrate

What is the shape of a DNA molecule?

• Single-stranded helix

• Double-stranded helix

• Linear chain

• Circular loop

What are the subunits called that make up the strands of DNA?

• Amino acids

• Nucleotides

• Sugars

• Phosphates

Which of the following is not a component of a nucleotide?

• Nitrogenous base

• Sugar

• Phosphate group

• Amino acid

What are the "rungs" of the DNA ladder made of?

• Alternating sugar and amino acids

• Pairs of nitrogenous bases

• Pairs of sugars

• Alternating phosphate groups and nitrogenous bases

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

• Adenine (A)

• Thymine (T)

• Cytosine (C)

• Uracil (U)

According to the Base Pair Rule, which nucleotide does adenine pair with in DNA?

• Guanine

• Cytosine

• Thymine

• Uracil

What is the main function of RNA in cells?

• To store genetic information

• To synthesize or make proteins

• To form the cell membrane

• To provide energy for cellular processes

What is the sugar found in RNA?

• Glucose

• Ribose

• Deoxyribose

• Fructose

Which of the following is NOT a type of RNA?

• Messenger RNA

• Ribosomal RNA

• Transfer RNA

• Enzymatic RNA