Cells

Cells

Nucleus

Contains genetic material (DNA); controls cell activities.

Cytoplasm

Jelly-like fluid where organelles are suspended; site for chemical reactions.

Cell Membrane

Semi-permeable barrier; controls substance movement in/out of the cell.

Mitochondria

Powerhouse; generates energy (ATP) through cellular respiration.

Ribosomes

Site of protein synthesis; found in the cytoplasm or on the rough ER.

Endoplasmic Reticulum (ER)

Network of membranes involved in protein and lipid synthesis.

Golgi Apparatus

Modifies, sorts, and packages proteins and lipids for transport.

Cytoskeleton

Network of fibres; provides structure, support, and shape.

Peroxisomes

Detoxifies harmful substances; breaks down fatty acids.