The plasma membrane represents an energetic barrier to the free diffusion of ions from the extracellular space into the cytoplasm. Why are molecules such as valinomycin effective at transporting ions across the membrane? Why would a drop in temperature to or below the transition temperature limit valinomycin mediated K+ transport across the plasma membrane?
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Biology, 22.06.2019 02:00
For a comparative or experimental investigation, scientists often make a testable about a scientific question, and then they test it in the investigation. a.control b.hypothesis c.procedure d.system
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Biology, 22.06.2019 06:50
Which organelle breaks down sugar molecules that supply energy to the cell ?
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Biology, 22.06.2019 11:00
2. which of the following statements does not accurately describe stem cells? a. embryonic stem cells make up the inner cell mass of a blastocyst. b. with more research, stem cells may be used to repair or replace damaged cells. c. the use of stem cells is without any objections since it can be used in therapies to humans. d. adult stem cells are multipotent and can differentiate into many types of cells.
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Biology, 22.06.2019 16:30
These are the components of the reservoirs of carbon that are exchanged in our environment.
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The plasma membrane represents an energetic barrier to the free diffusion of ions from the extracell...
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