The Discovery and Structure of DNA

What is the full name of DNA?

• Deoxyribose Acid

• Deoxyribonucleic Acid

• Dideoxyribonucleic Acid

• Deoxynucleotide Acid

What are the building blocks of DNA?

• Amino acids

• Lipids

• Nucleotides

• Proteins

Which nitrogenous bases pair together in DNA?

• A-T, G-C

• A-G, T-C

• A-C, G-T

• A-U, G-C

The sugar present in DNA is:

• Ribose

• Deoxyribose

• Glucose

• Fructose

The bonds that hold the two strands of DNA together are:

• Covalent bonds

• Hydrogen bonds

• Ionic bonds

• Peptide bonds

What is the shape of a DNA molecule?

• Single helix

• Double helix

• Triple helix

• Linear strand

DNA is found in which part of a eukaryotic cell?

• Cytoplasm

• Mitochondria

• Nucleus

• Ribosome

A gene is:

• A section of DNA that codes for a protein

• A whole chromosome

• A single nucleotide

• A pair of nitrogenous bases

What is the purpose of DNA?

• To store energy

• To transmit genetic information

• To build cell membranes

• To digest proteins

Humans have how many pairs of chromosomes?

• 12

• 23

• 46

• 92