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? strain his glu cys leu str
F+ + + + - +
Hfr + + + + -
F' + + + + -
F- - - - + +

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

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.

i think the answer is 95 hope this

above statement is not a true statement about the open ocean because the open ocean has low levels of nutrients. most of the photosynthetic activity on earth occurs in the open ocean within the photic zone. organisms in the deep ocean are exposed to frigid temperatures and total darkness but it does not begin at the low-tide mark.

to this answer it would be edge enhancement