DNA Review

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

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

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

The diagram represents a molecule of 

• DNA
• ATP
• FSH
• RNA

Adenine (A) bonds with ______________.

• Guanine (G)

• Thymine (T)

• Cytosine (C)

• Adenine (A)

What shape is DNA?

• a circle

• a triangle

• a double helix

What is a gene?

• A bundle (like a hot dog bun) that the DNA is packed into

• something inside the nucleus

• a section/piece of DNA

• all of your DNA

If we think of DNA as a ladder, which parts are the steps of the ladder?

• the nitrogen base pairs

• the phosphate-sugar backbone

• the genes

What does this image represent?

• Chromosome

• Gene

• Nucleus

• Nitrogen Bases

What is the matching nitrogen base sequence for the gene below?

A-

T-

C-

• T-

  G-

  T-

• G-

  C-

  A-

• T-

  A-

  G-

DNA contains

• Protein producing ribosomes

• the genetic code for all life forms

• Cytoplasm in the cell