DNA Part 1 Review

DNA Part 1 Review

DNA Structure, Replication, Mutations

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.

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