(1) DNA Review Quiz

The nitrogen bases found in DNA are represented by the letters

• T, U, G, A, and C
• T,A, P and C
• A, U, G, and C
• A, T, G, and C

which scientists developed the molecular structure of DNA?

• Watson and Crick
• Mendel and Darwin
• Lamarck and Weisman
• Miller and Fox

Genes are the basic unit of heredity. Genetic information is encoded in a linear sequence of

• nucleic acids.
• amino acids.
• carbohydrates.
• fatty acids.

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

In a DNA molecule, the number of guanine nucleotides will most likely equal the number of- 

• thymine.
• adenine.
• cytosine.
• ribose.

The sequence of nitrogen bases on the complementary chain in the diagram is-

• T-G-A-C
• U-G-A-C
• U-A-G-C
• T-A-G-C

The diagram shown represents a portion of DNA. The letter x represents two nitrogen bases that are

• complementary and joined by ionic bonds
• identical and joined by hydrogen bonds.
• identical and joined by ionic bonds.
• complementary and joined by hydrogen bonds.

Which answer choice correctly identifies the parts in a DNA nucleotide?

• A= phosphate group B= deoxyribose C= thymine

• A= phosphate group B= ribose C= uracil

• A= uracil B= deoxyribose C= thymine

• A= thymine B= ribose C= uracil

In a DNA molecule, the number of adenine nucleotides will most likely equal the number of-

• thymine.

• adenine.

• cytosine.

• ribose.

How does a child’s DNA compare to their parent’s DNA?

• It is not similar at all.

• It is similar to both the father and mother.

• A daughter’s DNA will be similar to the mother.

• A son’s DNA will be similar to the father.

Tags

NGSS.HS-LS3-1

What process is shown here?

• Mitosis

• DNA replication

• Protein synthesis

• Mutations

Tags

NGSS.HS-LS1-1