Quiz on Mutations and Gene Expression

What is the significance of changes in DNA?

• They result in mutations

• They cause weather changes

• They affect plant growth

• They influence animal behavior

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2

What is the relationship between DNA and mRNA in protein synthesis?

• DNA is translated into mRNA.

• mRNA is transcribed into DNA.

• DNA is transcribed into mRNA.

• mRNA is translated into DNA.

What is the effect of an incoming UV photon on DNA?

• It stabilizes the DNA structure

• It causes mutations in the DNA

• It repairs the DNA

• It has no effect on the DNA

Tags

NGSS.HS-LS3-2

What is the effect of a mutagen on DNA?

• It causes mutations

• It repairs DNA

• It stabilizes DNA

• It enhances gene expression

Tags

NGSS.HS-LS3-2

What is the significance of evaluating DNA changes?

• To understand mutations

• To increase cell division

• To enhance protein synthesis

• To stabilize DNA

Tags

NGSS.HS-LS3-2

What is the primary effect of a mutagen on genes?

• Causes mutations

• Repairs genes

• Stabilizes genes

• Enhances gene expression

Tags

NGSS.HS-LS3-2

What is a substitution mutation?

• Replacing one base with another

• Deleting a base

• Adding extra bases

• Altering a base to code for a stop codon

Tags

NGSS.HS-LS3-2

Which mutation type involves altering a base but still coding for the same amino acid?

• Conservative

• Non-conservative

• Duplication

• Deletion

Which mutation involves the removal of a base from the DNA sequence?

• Deletion

• Substitution

• Insertion

• Translocation

Tags

NGSS.HS-LS3-2

How does an insertion mutation affect the DNA sequence?

• It adds an extra base

• It removes a base

• It replaces a base

• It duplicates a base

Tags

NGSS.HS-LS3-2