subject
Biology, 17.03.2020 05:20 pretti78

A lab technician has four strains of bacteria. Although he forgot to label them, he knows that they include one F+ strain, one Hfr strain, one F' strain, and one F- strain. He observed the following results after plating these strains on different media. Which of the following plates can be used to identify the F- strain?a. minimal media with histidine, glutamate, and cysteine
b. minimal media with streptomycin
c. minimal media with leucine and streptomycin
d. complete media
e. minimal media with histidine, glutamate, cysteine, and streptomycin

ansver
Answers: 3

Another question on Biology

question
Biology, 22.06.2019 11:30
_tissues respond quickly to outside stimuli a) epithelia b)nervous c)muscular d)muscular and nervous
Answers: 2
question
Biology, 22.06.2019 19:30
Why do the circulatory systems of land vertebrates have separate circuits to the lungs and to the rest of the body?
Answers: 1
question
Biology, 22.06.2019 21:00
An adult inhales about 6.0×10−4 m3 of fresh air during a breath. only 20% of fresh air is oxygen. assume the pressure in the lungs is 1.0×105 paand the air is at a temperature of 300 k. how many oxygen molecules are in each breath? a. 1.4x10^23 b. 2.9x10^21 c. 4.9x10^-4 d. 2.9 x10^25
Answers: 2
question
Biology, 22.06.2019 21:00
Which organelle will regrow during telophase?
Answers: 1
You know the right answer?
A lab technician has four strains of bacteria. Although he forgot to label them, he knows that they...
Questions
Questions on the website: 13722362