8.1-8.3 Cell Review

Front

What is active transport?

Back

Active transport is the movement of molecules across a cell membrane from a region of lower concentration to a region of higher concentration, using energy.

Front

What is the function of mitochondria?

Back

Mitochondria are the powerhouses of the cell, providing energy through the process of cellular respiration.

Front

What is a cell wall?

Back

A cell wall is a rigid outer layer that provides support and protection to plant cells.

Front

What is a chloroplast?

Back

Chloroplasts are organelles in plant cells that conduct photosynthesis, converting sunlight into energy.

Front

What is the endoplasmic reticulum?

Back

The endoplasmic reticulum is a network of membranes involved in protein and lipid synthesis.

Front

What does multicellular mean?

Back

Multicellular means an organism is made up of many cells.

Front

What does unicellular mean?

Back

Unicellular means an organism is made up of only one cell.

Front

What is osmosis?

Back

Osmosis is the diffusion of water across a semipermeable membrane.

Front

What is a semipermeable membrane?

Back

A semipermeable membrane allows certain molecules to pass through while blocking others.

Front

What is diffusion?

Back

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