The restriction enzymes shown below cut DNA in the following manner. The slashes indicate where cutting occurs. BamHI                         G\GATCC                                     CCTAG\G   EcoRI                          G\AATTC                                     CTTAA\G        HaeII                           GGCGC\C                                    C\CGCGG   PstI                             CTGCA\G                                    G\ACGTC Which of these enzymes would generate sticky ends that would be the most stable when they bind to complementary sticky ends?

Human insulin that is used to treat diabetic patients is commonly made in bacteria. When insulin is made in bacteria, why are the A and B chains are linked to β-galactosidase?

The various types of stem cells in an adult human body can be

As described in your textbook, one way to determine if a segment of chromosomal DNA has been inserted into a vector is to put XGal in the growth media. Following overnight growth, some of the colonies are blue and some are white. Why are some colonies blue?

A primer used in dideoxy DNA sequencing is 20 nucleotides long and has the following sequence:  5’-GGATCCATGACTAGTCCGAC-3’. A segment of DNA is cloned into a vector and then the vector DNA is denatured and subjected to the dideoxy DNA sequencing method. Below is the DNA sequence from a region of the vector. The primer-annealing site is shown bold and underlined.    3-CCCGATCGGCCTAGGTACTGATCAGGCTGAATGACTCTTCAGA-5’   Based on the sequence above, what would be the size(s) of the band(s) (i.e., the number of nucleotides in each band) in which dideoxyG had been added to the sequencing reaction?

In the biotechnological production of human insulin (Humulin), how are the A or B chains separated from beta-galactosidase?

During dideoxy sequencing, dideoxynucleotides

As described in your textbook, one way to determine if a segment of chromosomal DNA has been inserted into a vector is to put XGal in the growth media. Following overnight growth, some of the colonies are blue and some are white. Why are some colonies white?

Which of the following components are not needed for PCR?

Researchers conducted Northern blotting on a sample of cells from mouse kidney, brain, and liver using a probe that is complementary to a gene that encodes a glucose transporter.  All of the samples were taken from the same mouse. The following results were obtained: If we assume that equal amounts of total cellular RNA was loaded into each lane, which of the following statements is false?