DNA Part 1 Review

DNA Part 1 Review

DNA Structure, Replication, Mutations

Fill in the Blanks

The scientific name for the shape of DNA is ______ ______.

Multiple Select

Check the THREE components that make up a DNA nucleotide.

• Riboflavin

• Phosphate Group

• Sugar

• Sulfate Group

• Nitrogen Base

Multiple Choice

Which of the following is FALSE?

• The sides of the DNA molecule are made up of sugar and phosphate.

• Nitrogen bases make up the "rungs" of the DNA ladder.

• The four bases in DNA are adenine, cytosine, guanine, and uracil.

• The sugar in DNA is called deoxyribose.

Fill in the Blanks

If one half of a DNA molecule has the bases GTACCA, what bases would pair with them to make up the other half?

Multiple Select

Which two scientists are credited with discovering the structure of DNA in 1953?

• Robert Hooke

• James Watson

• Charles Darwin

• Francis Crick

• Gregor Mendel

Multiple Choice

Which of the following statements about DNA replication is FALSE?

• DNA replication creates 4 new molecules of DNA.

• The molecules produced by replication are identical.

• DNA replication occurs during Interphase of the cell cycle.

• Each of the DNA molecules produced contains one original strand and one new strand.

Multiple Choice

Which of the following is FALSE?

• Genes are segments of DNA.

• Genes code for making proteins.

• Genes control our inherited traits.

• Each chromosome has only one gene on it.

• DNA is found in the nucleus of the cell for eukaryotic organisms.

Multiple Choice

If the DNA code TGGCAC gets changed to TCGCAC, which kind of mutation has occurred?

• No mutation has occurred

• Substitution (Point) Mutation

• Deletion Mutation

• Insertion Mutation

Multiple Choice

If the DNA code ATTCGA gets changed to ATCGA, which kind of mutation has occurred?

• No mutation has occurred

• Substitution (Point) mutation

• Insertion Mutation

• Deletion Mutation

Multiple Choice

If the DNA code CGTTAC gets changed to CGTTAGC, which kind of mutation has occurred?

• No mutation has occurred

• Substitution (Point) Mutation

• Insertion Mutation

• Deletion Mutation