Biology, 23.11.2019 05:31 shouyuanroh8462
Aresearcher has a petri dish containing several species of bacteria, but no viruses. she notices that the population of e. coli in her petri dish has no antibiotic resistance. two weeks later, she reassesses the bacteria and finds that the e. coli have acquired antibiotic resistance. how could this have happened?
Answers: 2
Biology, 21.06.2019 13:50
Where is the energy in a sucrose molecule stored? o a. inside the hydrogen atoms o b. inside the carbon atoms o c. in the bonds between the atoms o d. inside the protons
Answers: 1
Biology, 22.06.2019 13:30
The earths core is made up mainly of what 2 substances? 2. like an egg, earth has a core, a layer surrounding the core, and a thin, hard outer layer. which layers of the earth match the layers of an egg?
Answers: 1
Biology, 22.06.2019 19:30
Plants transfer carbon in the carbon cycle a. through assimilation of carbon from the soil. b. when carbon transpires from their stomatae. c. when they are eaten by animals. d. through fixation of carbon in the soil.plants transfer carbon in the carbon cycle a. through assimilation of carbon from the soil. b. when carbon transpires from their stomatae. c. when they are eaten by animals. d. through fixation of carbon in the soil.
Answers: 3
Aresearcher has a petri dish containing several species of bacteria, but no viruses. she notices tha...
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