Which of the following biomolecules do DNA and RNA belong to?

• Carbohydrates

• Fats

• Nucleic Acids

• Proteins

Which of the following refer to the monomer of DNA and RNA polymers?

• amino acids

• fatty acids

• nucleotides

• saccharides

Which of the following is a primary function of DNA and RNA?

• energy source for the body

• building blocks of the body

• cell membrane primary composition

• protein synthesis

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

Which of the following is NOT a primary component of a nucleotide?

• nitrogenous base

• phosphate group

• ribose sugar

• triglyceride

Which of the following connects the ribose sugars together to form the back bone of the DNA and RNA strand?

• nitrogenous base

• phosphate group

• ribose sugar

• triglyceride

Which of the following forms the connection between the two DNA strands in a double helix?

• nitrogenous base

• phosphate group

• ribose sugar

• triglyceride

Which of the following is NOT a DNA nitrogenous base?

• adenine

• guanine

• thymine

• uracil

Which of the following does NOT describe a RNA molecule?

• It is found in the cytoplasm.

• Its ribose sugar lacks an oxygen at the second carbon.

• It has the nitrogenous base uracil instead of thymine

• It exists as a single strand.

Molecular biologists James Watson and Francis Crick are well known for the following scientific contribution.

• They discovered DNA.

• They determined the functions of DNA

• They discovered how proteins are synthesized.

• They came up with the accurate 3D model of the DNA molecule.

The DNA double helix coils up around histones, which in turn coils up forming the structure called _____.

• chromatin

• chromosomes

• nucleosomes

• proteins