Unit 2: Cell Transport

Front

What is cell transport?

Back

Cell transport refers to the movement of substances into and out of cells, which is essential for maintaining homeostasis.

Front

Define homeostasis.

Back

Homeostasis is the balance that an organism maintains by regulating what goes into and out of the cell.

Front

What happens to a cell in a hypertonic solution?

Back

In a hypertonic solution, water moves out of the cell, causing it to shrink.

Front

What is exocytosis?

Back

Exocytosis is the process by which large particles, often waste materials, are released from the inside of the cell to the outside.

Front

What is endocytosis?

Back

Endocytosis is the process by which cells take in large particles by engulfing them.

Front

What is osmosis?

Back

Osmosis is the diffusion of water across a selectively permeable membrane.

Front

What is diffusion?

Back

Diffusion is the movement of particles from an area of higher concentration to an area of lower concentration.

Front

What occurs during plasmolysis?

Back

Plasmolysis occurs when a plant cell loses water in a hypertonic solution, causing the cell membrane to pull away from the cell wall.

Front

Where are the lipid heads located in the cell membrane?

Back

The lipid heads are located on the outer part of the bilayer of the cell membrane.

Front

What is a hypotonic solution?

Back

A hypotonic solution has a lower solute concentration outside the cell than inside, causing water to enter the cell.