You have recovered a strain of E. coli with a null mutation of the gene for catabolite activator protein (CAP). Which of the following do you expect to be true regarding the expression of a completely wild-type operon? Please note, more than one may be true. A) Both beta-gal and […]

Question: In wild pigs, the allele for black fur (B) is dominant over the allele for brown (b) fur. A black wild pig is crossed with a brown wild pig, producing five F1 black wild pigs and six F1 brown wild pigs. a. (Assuming that no crossing over takes place) how […]

You make some RNA in vitro by adding some NTPs into a tube. You want to reproduce some of the work that led to an understanding of how the genetic code works. You mix two nucleotides together in a 3C to 1G ratio. a) List all the codons that could […]

Please show how you solved this problem. As a laboratory assistant you were asked to estimate the total number of bacteria in the urine of a person with a urinary tract disorder. After other laboratory tests, you were left with less than 0.1 ml of urine to work with. A […]