Biology, 28.01.2020 02:31 abdulbasharee99
Ascientist wanted to study the effect of a drug on the blood pressure of rats. she set up an experiment in which the experimental group consisted of rats that were injected with a salt solution containing the drug. what should the control group have consisted of?
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Biology, 22.06.2019 01:00
Nucleic acid certain protein cell membranes certain carbohydrates
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Biology, 22.06.2019 01:10
Osmosis is often viewed incorrectly as a process driven directly by differences in solute concentration across a selectively permeable membrane. what really drives osmosis? view available hint(s)osmosis is often viewed incorrectly as a process driven directly by differences in solute concentration across a selectively permeable membrane. what really drives osmosis? the first law of thermodynamicsthe difference in the height of water columns on either side of a selectively permeable membranethe difference in water concentration across a selectively permeable membranethe difference in sugar or ion concentration across a selectively permeable membrane
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Biology, 22.06.2019 09:00
Which kind of worm has a closed circulatory system? a planarian b fluke c pinworm d an earthworm
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Biology, 22.06.2019 10:30
Grasses--> mice--> cats--> coyotes suppose 10,000 units of energy are available at the level of the grasses. what is the total number of energy units lost by the time energy reaches the coyote?
Answers: 2
Ascientist wanted to study the effect of a drug on the blood pressure of rats. she set up an experim...
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