GN 311 EXAM 4 QUESTIONS WITH VERIFIED SOLUTIONS LATEST UPDATE 2026
Which repair mechanisms involve the removal of several nucleotides?
- base excision repair
- proofreading repair
- mismatch repair
- nucleotide excision repair - Answers Mismatch repair
nucleotide excision repair
Which repair mechanisms involve the removal of several nucleotides?
- base excision repair
- proofreading repair
- mismatch repair
- nucleotide excision repair - Answers
Which repair mechanisms involve the removal of a single nucleotide?
- base excision repair
- proofreading repair
- mismatch repair
- nucleotide excision repair - Answers base excision repair
proofreading repair
What is synonymous mutation? - Answers silent (codes for the same amino acid)
What is nonsynonymous mutation? - Answers missense (changes amino acid)
What is a transition? - Answers purine -> purine or pyrimidine -> pyrimiding
What is a transversion? - Answers purine -> pyrimidine
What does negative mean? - Answers There is a repressor
What does positive mean? - Answers There is an activator
What does repressible mean? - Answers The gene is normally off
What does inducible mean? - Answers The gene is normally on
Select the type(s) of prokaryotic regulation that fit(s) the description below:
Binding of the regulator gene product to the DNA is necessary to shut off transcription.
-positive inducible
-positive repressible
-negative inducible
-negative repressible - Answers negative inducible and negative repressible
Regarding eukaryotic and prokaryotic regulation, which process seems to be the most similar
between the two?
Select one:
- Poly(A) Tail Addition
- Transcriptional Regulation
- Intron/Exon Shuffling Regulation
- 5' Capping Regulation
- RNA splicing Regulation - Answers Transcriptional regulation
____ methylation if DNA is associated with an increase in transcription - Answers Increased (we
methylate cyteines that what we want to KEEP)
What does whorl 1 code for? - Answers Sepals
Whorl 2? - Answers Petals
Whorl 3? - Answers stamen
Whorl 4? - Answers carpels
The correct sequence of action for the classes of genes involved in early development of the D.
melanogaster embryo is ... - Answers Maternal Genes, then Segmentation Genes, then Homeotic
Genes
Bicoid proteins stimulate development of _____ structures in the D. melanogaster? - Answers
Anterior
Nanos proteins stimulate developement of _____ structures in the D. melanogaster? - Answers
Posterior
Which repair mechanisms involve the removal of several nucleotides?
- base excision repair
- proofreading repair
- mismatch repair
- nucleotide excision repair - Answers Mismatch repair
nucleotide excision repair
Which repair mechanisms involve the removal of several nucleotides?
- base excision repair
- proofreading repair
- mismatch repair
- nucleotide excision repair - Answers
Which repair mechanisms involve the removal of a single nucleotide?
- base excision repair
- proofreading repair
- mismatch repair
- nucleotide excision repair - Answers base excision repair
proofreading repair
What is synonymous mutation? - Answers silent (codes for the same amino acid)
What is nonsynonymous mutation? - Answers missense (changes amino acid)
What is a transition? - Answers purine -> purine or pyrimidine -> pyrimiding
What is a transversion? - Answers purine -> pyrimidine
What does negative mean? - Answers There is a repressor
What does positive mean? - Answers There is an activator
What does repressible mean? - Answers The gene is normally off
What does inducible mean? - Answers The gene is normally on
Select the type(s) of prokaryotic regulation that fit(s) the description below:
Binding of the regulator gene product to the DNA is necessary to shut off transcription.
-positive inducible
-positive repressible
-negative inducible
-negative repressible - Answers negative inducible and negative repressible
Regarding eukaryotic and prokaryotic regulation, which process seems to be the most similar
between the two?
Select one:
- Poly(A) Tail Addition
- Transcriptional Regulation
- Intron/Exon Shuffling Regulation
- 5' Capping Regulation
- RNA splicing Regulation - Answers Transcriptional regulation
____ methylation if DNA is associated with an increase in transcription - Answers Increased (we
methylate cyteines that what we want to KEEP)
What does whorl 1 code for? - Answers Sepals
Whorl 2? - Answers Petals
Whorl 3? - Answers stamen
Whorl 4? - Answers carpels
The correct sequence of action for the classes of genes involved in early development of the D.
melanogaster embryo is ... - Answers Maternal Genes, then Segmentation Genes, then Homeotic
Genes
Bicoid proteins stimulate development of _____ structures in the D. melanogaster? - Answers
Anterior
Nanos proteins stimulate developement of _____ structures in the D. melanogaster? - Answers
Posterior
