year 9 biology 2024 -202 5 pray for me

What is cellular digestion?

The process by which cells break down nutrients to release energy.

What is the cell membrane?

A semipermeable membrane that surrounds the cell, controlling what enters and exits.

What is osmosis?

The movement of water molecules from a region of high concentration to a region of low concentration through a semipermeable membrane.

What happens to the cell in a hypotonic solution?

A process in which water moves into the cell causing it to swell and potentially burst.

What is osmotic pressure?

The pressure exerted by water molecules moving during osmosis.

What is diffusion?

The process by which particles move from an area of high concentration to an area of low concentration.

What is osmoregulation?

The control of water balance in the body.

What is active transport?

The movement of molecules across a cell membrane from a region of lower concentration to a region of higher concentration, requiring energy.

What are enzymes?

Biological catalysts that speed up chemical reactions in cells.

What is the role of the mitochondria?

The powerhouse of the cell where cellular respiration occurs, generating energy (ATP).