Use the following scenario to answer the question: a cell has an antiport protein on its apical surface. the cell is placed in a solution that contains a high concentration of na+ relative to the inside of the cell, and a high concentration of ca⁺⁺ relative to the inside of the cell. the antiporter will move 3 na⁺ into the cell in exchange for one ca⁺⁺ leaving the cell. this is an example of what type of transport?

The correct answer is "Secondary active transport".

Explanation:

Secondary active transport is a form of across the membrane transport that involves a transporter protein catalyzing the movement of an ion down its electrochemical gradient to allow the movement of another molecule or ion uphill to its concentration/electrochemical gradient. In this example, the transporter protein (antiporter), move 3 Na⁺ into the cell in exchange for one Ca⁺⁺ leaving the cell. The 3 Na⁺ are the ions moved down its electrochemical gradient and the one Ca⁺⁺ is the ion moved uphill its electrochemical gradient, because Na+ and Ca⁺⁺are more concentrated in the solution than inside the cell. Therefore, this scenario is an example of secondary active transport.

b. th3 n4zc4 pl4t3 15 c0nv3rg1ng w1th the s0uth 4m3ric4n pl4t3.

space exploration has led to the development and technological improvement of many everyday items. (if this answer is wrong i will find the right answer) : )