Biology, 07.11.2019 04:31 logan541972
The cellular process known as the sodium-potassium pump was discovered in the 1950s by jens christian skou, a danish scientist. this process is a form of active transport that moves three sodium ions to the outside of a cell for every two potassium ions that it moves into the cell. which of these best explains why energy is needed for active transport?
a. ions are moved against the concentration gradient.
b. ions are negatively charged.
c. ions are attached to large proteins.
d. ions are trapped inside the plasma membrane.
Answers: 1
Biology, 22.06.2019 03:30
What is the role of the phospholipid belayer in cellular transport in living cells
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Biology, 22.06.2019 12:00
Which statement about relative potential energy of electrons is correct? a. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 2 s orbital of the second electron shell. b. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 3 p orbital of the third electron shell. c. an electron in the 3 p orbital of the third electron shell has more potential energy than an electron in the 2 p orbital of the second electron shell.
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Biology, 22.06.2019 15:30
Ascientist is investigating the effects of salinity on fish development. he places fertilized fish eggs in an aquarium that contains low salinity and observes their development. what factor would improve experimental design the most? place the fish eggs in the open ocean because that is the natural habitat include another aquarium that has normal salinity to compare to the low salinity aquarium include an aquarium that replaces salt with sugar to confirm that the effects are specific to salt grow algae with the fish eggs in order to provide adequate nutrients to the developing embryos
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The cellular process known as the sodium-potassium pump was discovered in the 1950s by jens christia...
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