Unit 6 Study Guide

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 is a semi-permeable membrane?

Back

A semi-permeable membrane allows certain substances to pass through while blocking others.

Front

What is osmosis?

Back

Osmosis is the diffusion of water across a semi-permeable membrane.

Front

What is the function of the mitochondria?

Back

The mitochondria provide energy to the cell through the process of cellular respiration.

Front

What is the role of the cell membrane?

Back

The cell membrane controls what enters and leaves the cell and provides protection.

Front

What is equilibrium in a biological context?

Back

Equilibrium is the state where the concentration of substances is equal on both sides of a membrane.

Front

What is the difference between active and passive transport?

Back

Active transport requires energy to move substances against their concentration gradient, while passive transport does not.

Front

What is the function of the nucleus?

Back

The nucleus controls all functions of the cell and contains the cell's genetic material.

Front

What are organelles?

Back

Organelles are specialized structures within a cell that perform specific functions.

Front

What is the function of the cell wall?

Back

The cell wall provides structure and protection to plant cells.