Which receptor type is exemplified by opening a channel to let sodium into the cell?
a. intra...
Biology, 28.09.2019 17:30 ayandjay01
Which receptor type is exemplified by opening a channel to let sodium into the cell?
a. intracellular receptor
b. enzyme-linked receptor
c. ion channel-linked receptor
d. endomembrane receptor
Answers: 2
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Of seawater increases with decrease in the temperature. therefore, the cold water sinks to the deeper layers at the bottom
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Some birds look for food near cattle and other livestock. the movement of the cattle churns up the ground, making insects available to the birds. the cattle appear to be unaffected by the presence of the birds. what kind of relationship exists between the birds and the cattle? o a. parasitism o b. commensalism o c. predation o d. mutualism
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Lactase is essential for digesting lactose in milk. this enzyme is specific for this sugar. why? molecules and active sites vary in size; only properly sized molecules can fit.there is a precise compatibility between the active site and the lactose molecule.specificity refers to the action of the enzyme, such as hydrolysis, and relatively few molecules can be hydrolyzed.reaction-specific enzymes assume a fit by folding around the most numerous substrate molecules.
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Cells must be in osmotic equilibrium with their surroundings environments because if they swell or shrink thier membranes will rupture
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