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For the Lac operon, a cell grown in “high lactose+no glucose…

For the Lac operon, a cell grown in “high lactose+no glucose” will have the same lac gene expression as a cell grown in “high lactose+ high glucose”.      

Published August 4, 2021
Categorized as Uncategorized

For Translation, both Prokaryotes and Eukaryotes use base-pa…

For Translation, both Prokaryotes and Eukaryotes use base-pairing interactions with a sequence on mRNAs called the “Shine-Delgarno” to determine which start codon to initiate from.

Published August 4, 2021
Categorized as Uncategorized

DNA polymerase has a separate “proofreading active site” tha…

DNA polymerase has a separate “proofreading active site” that can correct mis-incorporated nucleotides, while RNA polymerase performs proofreading at the same active site that is used for polymerization.

Published August 4, 2021
Categorized as Uncategorized

Which of the following is NOT TRUE of RNA.

Which of the following is NOT TRUE of RNA.

Published August 4, 2021
Categorized as Uncategorized

In Prokaryotes, rho-dependent transcription termination invo…

In Prokaryotes, rho-dependent transcription termination involves formation of a hairpin RNA secondary structure.

Published August 4, 2021
Categorized as Uncategorized

You measure the melting temperature of two DNA samples, X an…

You measure the melting temperature of two DNA samples, X and Y, of identical length but unknown base-compositions. You find the Tm of X is 60 and the Tm of Y is 50. Which of the following statements about their base-composition is true:

Published August 4, 2021
Categorized as Uncategorized

A region of DNA is shown below. The coding strand is highlig…

A region of DNA is shown below. The coding strand is highlighted in red and the template strand in black:       When transcribed by RNA polymerase, the resulting mRNA sequence would be:

Published August 4, 2021
Categorized as Uncategorized

All of the following are TRUE about CRISPR/Cas9 EXCEPT:

All of the following are TRUE about CRISPR/Cas9 EXCEPT:

Published August 4, 2021
Categorized as Uncategorized

Which of the following is NOT TRUE of homologous recombinati…

Which of the following is NOT TRUE of homologous recombination?  

Published August 4, 2021
Categorized as Uncategorized

Which of the following is TRUE about group II self-splicing…

Which of the following is TRUE about group II self-splicing introns?  

Published August 4, 2021
Categorized as Uncategorized

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