Question

According to the text transporter molecules are capable of transferring some molecules from
one side of the membrane to the other using ATP. Consider Y to be a transporter protein
required for the transport of amino acid A. Try to find any two characteristics of Y that makes it
able to transport A.

Answer 1

Answer:

Facilitated diffusion

Facilitated diffusion therefore allows polar and charged molecules, such as carbohydrates, amino acids, nucleosides, and ions, to cross the plasma membrane. Two classes of proteins that mediate facilitated diffusion are generally distinguished: carrier proteins and channel proteins.

What determines whether the cell will use the transport proteins?

A cell's well-being depends on its ability to control the passage of molecules across the cell membrane. ... Others require the help of transmembrane proteins to move into or out of the cell. Three primary factors determine whether a molecule will diffuse across a cell membrane: concentration, charge and size.

Explanation:

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