Which of the following pieces of evidence would suggest that a substance entered a cell via active transport as opposed to passive transport?

Active transport is a way for molecules to move across the plasma (cell) membrane. When active transport is used to move molecules, what is required?

Substances transported by facilitated diffusion

A lipid bilayer

Exocytosis is a process by which cells

The methods of membrane transport that don't require protein channels or carriers are

What is the main function of a selectively permeable membrane?

Which of these would be least likely to diffuse across the phosopholipid bilayer of a cell membrane?

The sodium-potatsium pump is an example of

The carrier molecules used in active transport are

A red blood cell will lyse (or burst) when placed in which of the following kinds of solution?

Wilting of a plant occurs

Diffusion occurs

Sugar molecules can enter cells through the process of

Molecules that are too large to be moved across a cell membrane can be removed from the cell by

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