AP Biology Mutations

A _______ mutation results from the gain, loss, or substitution of a single nucleotide, and a _______ mutation has extensive changes in the chromosomal structure.

• Swap, chromosome

• Degenerative, regenerative

• Chromosomal, point

• Point, chromosomal

Tags

NGSS.HS-LS3-2

Check all of the correct functions of DNA.

• Stores genetic information

• Expresses coded information as phenotypes

• Activates a receptor

• Undergoes precise replication

Tags

NGSS.HS-LS1-1

DNA ____________ catalyzes the addition of nucleotides to a new DNA chain.

What is an Okazaki fragment's purpose?

• To help synthesize DNA on the lagging strand

• To alter the direction of the replication fork

• It is the only way to stop DNA replication

• It prevents the DNA from making errors

What is the total DNA sequence present in all a cell's chromosomes called?

• Genus

• DNA strand

• Genome

• Canonical strand

Tags

NGSS.HS-LS1-1

Genes are transcribed into the _____, which are in turn translated into the amino acid sequences that make up proteins.

Tags

NGSS.HS-LS1-1

Based on the diagram, what would be the most likely effect of a mutation in the YUC gene?

• The Trp-T enzyme would not function

• I3PA would not be produced

• IAA would not be produced

• The Trp-T gene would be mutated

Tags

NGSS.HS-LS3-2

Which of the strains shown in the graph have significantly less percent survival than the control strain?

• IV only

• II, III, IV and V

• II, III and IV only

• II, III and V only

Tags

NGSS.HS-LS4-5

Which of the following is heterozygous

• FF

• tt

• Gg

• RR

The physical appearance of a trait is known as the-

• genotype

• phenotype

• characteristics

• intelligence