Front

Active Transport

Back

Energy-requiring movement of molecules from lower to higher concentration

Front

Cell Membrane

Back

Double-layer of phospholipids; controls passage of materials

Front

Cell Wall

Back

Rigid structure; protection, support, shape to cells in plants, algae, fungi, bacteria

Front

Cell Theory

Back

All organisms made of cells; cells from other cells; basic unit of life

Front

Cytoplasm

Back

Jellylike substance inside cells; contains molecules and organelles

Front

Cytoskeleton

Back

Network of proteins; supports and shapes eukaryotic cells

Front

Diffusion

Back

Movement of molecules from higher to lower concentration

Front

Endocytosis

Back

Uptake of liquids or large molecules by inward folding of cell membrane

Front

Endoplasmic Reticulum

Back

Interconnected network; produces, processes, distributes proteins

Front

Eukaryotic Cell

Back

Cell with nucleus and membrane-bound organelles