Determine the outcome for the lac operon genotype shown below:
I+P+O+Z+Y-
Assume lactose is present.
Select one:
-Functional beta-galactosidase and functional permease are produced.
-Only functional beta-galactosidase is produced. Functional permease is NOT produced.
-Only functional permease is produced. Functional beta-galactosidase is NOT produced.
-Functional beta-galactosidase is NOT produced. Functional permease is NOT produced. - Answers
Only functional beta-galactosidase is produced. Functional permease is NOT produced.
An alteration in the DNA from an CG base pair to a TA base pair is called a ___.
Select one:
-Transition
-Transversion - Answers Transition
Which of the following mutations changes a codon that specifies an amino acid into one that
terminates translation?
-Nonsense
-Missense
-Silent
-Reverse
-Neutral - Answers Nonsense
Which repair mechanism(s) involve(s) the removal of a single nucleotide?
Select one or more:
-Base excision repair
-Nucleotide excision repair
-Mismatch repair
-Proofreading repair - Answers -Base excision repair
-proofreading repair
Determine the outcome for the lac operon genotype shown below:
I+P-OcZ+Y+
Assume lactose is present.
Select one:
-Functional beta-galactosidase and functional permease are produced.
-Only functional beta-galactosidase is produced. Functional permease is NOT produced.
-Only functional permease is produced. Functional beta-galactosidase is NOT produced.
-Functional beta-galactosidase is NOT produced. Functional permease is NOT produced. - Answers
Functional beta-galactosidase is NOT produced. Functional permease is NOT produced.
Determine the outcome for the lac operon genotype shown below:
I+P-O+Z-Y-/I-P+O+Z+Y-
Assume lactose is absent.
Select one:
-Functional beta-galactosidase and functional permease are produced.
-Only functional beta-galactosidase is produced. Functional permease is NOT produced.
-Only functional permease is produced. Functional beta-galactosidase is NOT produced.
-Functional beta-galactosidase is NOT produced. Functional permease is NOT produced. - Answers
Functional beta-galactosidase is NOT produced. Functional permease is NOT produced.
Determine the outcome for the lac operon genotype shown below:
I+P-OcZ+Y-/I-P+O+Z+Y-
Assume lactose is absent.
, Select one:
-Functional beta-galactosidase and functional permease are produced.
-Only functional beta-galactosidase is produced. Functional permease is NOT produced.
-Only functional permease is produced. Functional beta-galactosidase is NOT produced.
-Functional beta-galactosidase is NOT produced. Functional permease is NOT produced. - Answers
Functional beta-galactosidase is NOT produced. Functional permease is NOT produced.
A mutation occurs in a transcription factor gene that prevents the small (effector) molecule from
binding to the transcription factor protein. In which type(s) of gene regulation would this mutation
result in constitutive expression of the structural gene?
Select one or more:
-positive inducible
-negative repressible
-positive repressible
-negative inducible - Answers -negative repressible
-positive repressible
Determine the outcome for the lac operon genotype shown below:
I-P+O+Z+Y-
Assume lactose is absent.
Select one:
-Functional beta-galactosidase and functional permease are produced.
-Only functional beta-galactosidase is produced. Functional permease is NOT produced.
-Only functional permease is produced. Functional beta-galactosidase is NOT produced.
-Functional beta-galactosidase is NOT produced. Functional permease is NOT produced. - Answers
Only functional beta-galactosidase is produced. Functional permease is NOT produced.
Determine the outcome for the lac operon genotype shown below:
IsP+OcZ-Y+
Assume lactose is present.
Select one:
-Functional beta-galactosidase and functional permease are produced.
-Only functional beta-galactosidase is produced. Functional permease is NOT produced.
-Only functional permease is produced. Functional beta-galactosidase is NOT produced.
-Functional beta-galactosidase is NOT produced. Functional permease is NOT produced. - Answers
Only functional permease is produced. Functional beta-galactosidase is NOT produced.
Determine the outcome for the lac operon genotype shown below:
I+P+OcZ+Y-
Assume lactose is absent.
Select one:
-Functional beta-galactosidase and functional permease are produced.
-Only functional beta-galactosidase is produced. Functional permease is NOT produced.
-Only functional permease is produced. Functional beta-galactosidase is NOT produced.
-Functional beta-galactosidase is NOT produced. Functional permease is NOT produced. - Answers
Only functional beta-galactosidase is produced. Functional permease is NOT produced.
Determine the outcome for the lac operon genotype shown below:
I-P+OcZ-Y+/I+P+O+Z+Y-
Assume lactose is absent.
Select one:
-Functional beta-galactosidase and functional permease are produced.
-Only functional beta-galactosidase is produced. Functional permease is NOT produced.