Biology, 20.07.2019 02:00 jasonoliva13
The pleistocene epoch was characterized by a) a mass extinction. b) the repeated advance and retreat of ice sheets. c) a warm, humid climate. d) a rapidly warming climate.
Answers: 1
Biology, 21.06.2019 21:30
In which case would a scientist choose to use a dissecting microscope rather than a compound microscope
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Biology, 22.06.2019 00:30
When analyzing tree rings, what do scientists assume a thin ring indicates?
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Biology, 22.06.2019 14:50
Lactase is essential for digesting lactose in milk. this enzyme is specific for this sugar. why? molecules and active sites vary in size; only properly sized molecules can fit.there is a precise compatibility between the active site and the lactose molecule.specificity refers to the action of the enzyme, such as hydrolysis, and relatively few molecules can be hydrolyzed.reaction-specific enzymes assume a fit by folding around the most numerous substrate molecules.
Answers: 1
The pleistocene epoch was characterized by a) a mass extinction. b) the repeated advance and retreat...
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