DNA and RNA Quiz

What is the basic unit of DNA called?

• Nucleotide

• Ribosome

• Amino acid

• Glucose

Which nitrogenous base is found in RNA but not in DNA?

• Adenine

• Guanine

• Uracil

• Thymine

What is the main function of the nucleus in a cell?

• Generating energy for the cell

• Synthesizing proteins

• Storing genetic material and controlling cell activities

• Transporting molecules

Tags

NGSS.HS-LS3-1

What type of sugar is present in RNA?

• Deoxyribose

• Ribose

• Glucose

• Sucrose

During transcription, DNA is copied into which molecule?

• tRNA

• mRNA

• rRNA

• Protein

Which of the following is NOT part of a nucleotide?

• Phosphate group

• Nitrogenous base

• Ribosome

• Sugar

Which of the following is a correct pairing of nitrogenous bases in DNA?

• Adenine - Uracil

• Cytosine - Thymine

• Guanine - Cytosine

• Adenine - Guanine

What happens during translation in protein synthesis?

• DNA is copied into RNA.

• RNA is copied into DNA.

• mRNA is used to assemble amino acids into a protein.

• Amino acids are broken down into smaller molecules.

What is the role of tRNA during protein synthesis?

• To carry genetic information from DNA to the ribosome.

• To deliver amino acids to the ribosome for protein assembly.

• To form ribosomes.

• To replicate DNA.

What structure within the nucleus contains the cell’s genetic material?

• Ribosome

• Chromosomes

• Nucleolus

• Cytoplasm

Tags

NGSS.MS-LS3-1