Y11 cell processes

Front

What is an isotonic solution?

Back

A solution with equal osmotic pressure and water potential as another solution

Front

What is the direction of water movement in a hypotonic solution?

Back

From higher to lower concentration

Front

How is osmosis different from diffusion?

Back

Osmosis occurs across a semipermeable membrane, while diffusion does not.

Front

Active transport

Back

The movement of substances from lower to higher concentration

Front

What happens to a cell in an isotonic solution?

Back

The cell remains the same

Front

What is the role of enzymes in chemical reactions?

Back

To speed up specific chemical reactions

Front

Osmosis

Back

The movement of solvent molecules through a semipermeable membrane

Front

What is the role of membrane proteins in active transport?

Back

To assist in the movement of substances across a semipermeable membrane

Front

What happens to a cell in a hypotonic solution?

Back

The cell swells from the influx of water

Front

What happens to a cell in a hypertonic solution?

Back

The cell shrinks as water leaves the cell