Biology, 16.10.2019 12:00, shealwaysknows23
Materials are able to move across a cell membrane through one of two methods: active transport or passive transport. what is the difference between active transport and passive transport?
a. active transport requires the cell to form vesicles, while passive transport requires the use of membrane pumps.
b. active transport is the only form of transport that requires the use of protein carriers.
c. active transport requires the cell to expend energy, while passive transport does not.
Answers: 3
Biology, 22.06.2019 09:30, natalie0908
Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?
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Biology, 22.06.2019 14:00, stephaniedoffing
The law of thermodynamics states that energy can't be created or destroyed. to natural sources of energy on earth are the
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