True or False: one possibility is that the earliest reaction centers could have used light energy to drive the movement of electrons from an electron donor in the surrounding medium to an electron acceptor within the cell
A. true
B. false
A
Biology & Microbiology
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By a currently favored hypothesis, species richness of a community is greatest between physical disturbances of _____ intensity or frequency
a. low c. high b. intermediate d. variable
Biology & Microbiology
Which imaging technique measures states of consciousness?
a. fMRI b. MRI c. EEG d. PET scan e. CAT scan
Biology & Microbiology
Metagenomic analysis involves
A) culturing microbes isolated from the environment. B) extracting DNA from cultured microbes. C) analyzing DNA from environmental samples. D) sequencing cloned DNA individually. E) determining culture conditions for different microbes.
Biology & Microbiology
A short period early in a disease that may manifest with general malaise and achiness is the _______
a. Period of incubation b. Prodrome c. Sequelae d. Period of invasion
Biology & Microbiology