Other molecules such as proteins, starch and sugar are simply too large to diffuse across the membrane. Sometimes, some of these large molecules are transported across the cell membranes by carrier proteins; this does not require energy and as a result is a form of passive transpor
Answer: Where is the question?
Explanation:
The answer is c it's the best one
Answer:
I will get back to your question in a moment pls wait I will answer it thankyou for your time
They are called compounds
