To calculate cotransduction frequencies, you use bacteriophage to transduce dna from wild-type donor bacteria to recipient bacteria of various genotypes. for each experiment, you select for recipient cells that are prototrophic for alanine by plating cells on a master plate containing minimal medium + leucine, which allows all leu genotypes to grow. you then replica plate each master plate on minimal medium without leucine.

Which law represents a balanced chemical equation?

Which of the following is not a possible effectof increasimg carbon dioxide levels in the atmosphere ?

Group control group #1 experimental group yes yes yes control group #2 no new drug orange juice bed rest no yes no yes ves which of the following is the best explanation of why a second control group was included in this experiment? o a. to provide the volunteers in the study with something to drink o b. to prove that the common cold cannot be cured c. to confuse anyone who is trying to steal their new drug and sell it as their own invention o d. to researchers conclude that results are related to the new drug and not to the orange juice submit e previous