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Biology, 21.06.2019 14:30
Mario performed an experiment to determine if photosynthesis was affected by the amount of light that a plant received. what could he have done to increase the validity of his data? reduce the number of plants. remove the 1 hour group. add a 0 hours control. measure the oxygen in liters
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Biology, 22.06.2019 11:30
According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes
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Biology, 22.06.2019 22:00
Which of the following molecules will diffuse most quickly across a lipid bilayer membrane? a. h2o b. o2 c. h2po4 d. glucose e. na+
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Biology, 22.06.2019 23:00
Electrochemical cells provide energy by allowing electrons to flow through an external circuit to electrodes contained in an electrolyte
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Molecular clocks are models that use mutation rates in dna to measure evolutionary time...
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