rate of substances X, which is more highly concentrated in the extracellular flu
ID: 181726 • Letter: R
Question
rate of substances X, which is more highly concentrated in the extracellular fluid (ECF). Substance X is the only substance that is moving across the membrane. Refer to the graph to answer the following questions. What causes the transport rate to increase from point A to point B (i.e., what is driving the transport rate)? What causes the transport rate to plateau? Does this transport require an external energy input? Briefly justify your answer. Identify the specific type of transport illustrated by the graph. Refer to the transporter depicted in the figure to the right to answer the following questions. Identify the specific type of transport shown. Briefly explain what powers the movement of Na^+ in this transport. Briefly explain what powers the movement of substance Y in this transport.Explanation / Answer
8.c) No it doesnot require external energy as it involves transport of molecules down the concentration gradient.
9.b) Secondart active transport is one type of active transport in which the ion moving down the conconcentration radiant acts as the driving ion. Here it is Na+.
C)Y is the driven ion. The driving ion caused the uphill movement of another ion called driven ion.
* The image given is not clear. Ions written are not clear. Care has been taken to provide appropriate answer.
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