Gene expression, Protein Synthesis and Mutations Review

Which of these nitrogenous bases is NOT in RNA?

• Uracil
• Thymine
• Cytosine
• Guanine

What type of mutation involves substituting a DNA base with a different base?

• point mutation

• frameshift mutation

• silent mutation

• chromosomal mutation

Tags

NGSS.HS-LS3-2

What describes a change in the DNA sequence?

• Transcription

• Translation

• DNA replication

• Mutation

• Apoptosis

Tags

NGSS.HS-LS3-2

What is the role of stem cells in cell differentiation?

• They serve as a precursor for generalized cells

• These cells can turn into specialized cells and back into generalized cells when needed

• They are generalized cells that can lead to specialized cells

• They are specialized cells that can lead to generalized cells

Tags

NGSS.HS-LS1-4

Original DNA = TAC GAC TTG AAT

Mutated DNA = TAC GAC TCG AAT

What type of mutation has occurred?

• Chromosomal mutation

• Point mutation

• Frameshift mutation

• No mutation occurred

Tags

NGSS.HS-LS3-2

Match the following

• a type of mutation where one to few bases are substituted with different bases

• Frameshift mutation

• a type of mutation caused by adding or deleting bases, affecting all the codons after the change

• Point mutation

• a change in the DNA sequence

• Mutation

Tags

NGSS.HS-LS3-2

3 bases in a row on the mRNA strand, that call for a particular amino acid to be added to the polypeptide chain:

• chromosome

• gene

• codon

• anticodon

Tags

NGSS.HS-LS1-1

What type of mutation involves adding or deleting bases from the DNA, which results in new codons (a shift in the reading of the codons)?

• point mutation

• frameshift mutation

• silent mutation

• chromosomal mutation

Tags

NGSS.HS-LS3-2

The portion or segment of the DNA strand that codes for a particular protein is called a _____________________.

• gene

• chromosome

• codon

• anticodon

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

Original DNA = TAC GAC TTG AAT

Mutated DNA = TAC GTA CTT GAA T

What type of mutation has occurred?

• Chromosomal mutation

• Point mutation

• Frameshift mutation due to adding extra base

• Frameshift mutation due to deletion of base

Tags

NGSS.HS-LS3-2