GradePack

    • Home
    • Blog
Skip to content
bg
bg
bg
bg

GradePack

You perform Sanger sequencing on an E. coli colony from a pl…

You perform Sanger sequencing on an E. coli colony from a plate, and actually see two sequences as shown below. What can you conclude from this? …GTGCACCGC… …GTGCTCCGC…

Read Details

A mutation (TGA) was introduced into the protein-coding gene…

A mutation (TGA) was introduced into the protein-coding gene below. What primers were used to introduce this mutation? 5’-AACGAGAATGGCATGAATGACAGATTTGAC-3’ 

Read Details

In touchdown PCR,

In touchdown PCR,

Read Details

In the gel below, the DNA in Lane 5 is approximately

In the gel below, the DNA in Lane 5 is approximately

Read Details

In TA cloning,

In TA cloning,

Read Details

A DNA microarray is typically used for all of the following…

A DNA microarray is typically used for all of the following EXCEPT

Read Details

You digest a ~2000 bp plasmid with EcoRI, and run a linear m…

You digest a ~2000 bp plasmid with EcoRI, and run a linear marker. The digestion at various time points is shown below. Which of the following does “D” represent?

Read Details

The most commonly-used method to detect DNA on a gel is

The most commonly-used method to detect DNA on a gel is

Read Details

You are working with a vector that has both an ampicillin an…

You are working with a vector that has both an ampicillin and kanamycin resistance gene. If you insert your gene into the origin of replication, the colonies will

Read Details

You wish to determine which amino acids of a very large enzy…

You wish to determine which amino acids of a very large enzyme are involved in the active site but are unsure of where to begin. One practical approach would be to

Read Details

Posts pagination

Newer posts 1 … 78,452 78,453 78,454 78,455 78,456 … 90,766 Older posts

GradePack

  • Privacy Policy
  • Terms of Service
Top