Biology, 10.12.2019 20:31 remyboy1938
Amicrobiologist is working with two genera of bacteria, a and b, to determine if cells are competent. strains are grown under optimal conditions, and dna fragments that carry the gene for green fluorescent protein is added to each culture at 20-minute intervals. samples from each treatment are plated to nutrient agar and incubated, after which the plates are examined under an ultraviolet lamp. the microbiologist observes that all plates of bacteria b contain colonies that are fluorescent, while for bacteria a only the plates from stationary phase demonstrate fluorescent colonies. what can be concluded from these results?
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Biology, 22.06.2019 02:00
Consider the skeleton. which skeletal system is represented by the shaded portion of the skeleton? spongy skeleton compact skeleton axial skeleton appendicular skeleton
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Biology, 22.06.2019 03:00
Afisherman is dragging his boat from the shore out into the ocean. match the following lists of areas he will move over in the correct order. continental rise continental slope continental shelf [tex]1.[/tex] [tex]2.[/tex] [tex]3.[/tex]
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Biology, 22.06.2019 03:30
How can a geological time scale best be reconstructed? a) comparing vestigial structures in living species b) comparing homologous structures in living species c) examining homologous structures in fossil remains d) examining the written records of scientists from past cultures
Answers: 1
Amicrobiologist is working with two genera of bacteria, a and b, to determine if cells are competent...
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