5 points
Transmembrane proteins span the width of the cell membranes. Four types of transmembrane proteins are shown in a section of cell membrane.
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Although these proteins have different specific functions, they all-
A-stop chemical reactions within the cell

B-synthesize molecules that signal other cells

C- help the cell interact with its external environment

D- remove large waste particles from the cytoplasm of the cell

A transmembrane protein (TP) is a type of integral membrane protein that spans the entirety of the cell membrane. Many transmembrane proteins function as gateways to permit the transport of specific substances across the membrane.

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luisvaschetto luisvaschetto · Answer 2 · 2021-10-19T23:33:10+02:00

Although transmembrane proteins have different specific functions, they always HELP the cell interact with its external environment.

Transmembrane proteins are a broad category of membrane proteins that act as carriers and/or transporters in order to allow the movement of specific substances across cell membranes.

After binding to their specific ligands, the three-dimensional (3D) shape of transmembrane proteins changes in order to allow the movement of molecules and ions through the cell membrane.

For example, aquaporins are a type of transmembrane protein that regulates the entry of water (H2O) molecules into and out of cells.

In conclusion, although transmembrane proteins have different specific functions, they always HELP the cell interact with its external environment.

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