Symport

... a type of which kind of transport? A) Primary active transport B) Secondary active transport using a uniport C) Secondary active transport using a symport D) Secondary active transport using a antiport The rate of facilitated diffusion of glucose through GLUT4 transported on skeletal muscle occurs ...

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... you've described to have two phases. It uses a preexisting elecrochemical gradient of one substance to push other substance against its gradient (symport or antiport). For example, HCO3/Cl antiport, Na/Glc symport (intestine epithelium). The preexisting gradient is generated by primary transporter ...

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... First is pumping H+ outwards by H+-ATPase. Second phase is retrieval of H+ connected with co-transport of our substance into or out of the cell (symport or antiport with H+). My question/doubt is whether that actively transported substance may be transported indyvidually (by means of ATP hydrolysis ...

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... to the protein and enter the cell. They travel down the concentration gradient of NA, but glucose also enters the cell, by this mechanism called a symport. From the enterocyte the glucose molecule enters the bloodstream by facilitated diffusion, according to it's own concentration gradient. It ...

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symport of Na-ions and glucose gives energy, because you go with the sodium gradient. another feature of this pump is to maintain the osmolarity of the inside of the cell.

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