CELL PREVIEW

What is the basic structural and functional unit of life?

The Cell

What is the smallest unit capable of performing life processes?

The Cell

What is the building block of all living organisms?

The Cell

CELL THEORY: What is the first principle of cell theory?

All living things are composed of cells

CELL THEORY: What is the second principle of cell theory?

The cell is the basic unit of life

CELL THEORY: What is the third principle of cell theory?

All cells come from pre-existing cells

CELL LIFE PROCESSES: What are the essential life processes performed by cells?

Metabolism

Growth

Reproduction

Response to stimuli

Energy production

TYPES OF CELLS: What type of cell has no true nucleus and no membrane-bound organelles, e.g., bacteria?

Prokaryotic

TYPES OF CELLS: What type of cell has a nucleus and membrane-bound organelles, e.g., plant and animal cells?

Eukaryotic

What is the smallest unit capable of living?

The Cell

What does the cell make up in an organism?

All the tissues of the organism

What are the three main parts of a cell?

Nucleus, Cytoplasm, Cell membrane

What part of the cell contains the genetic material?

Nucleus

What gel-like substance acts as a platform for organelles to function?

Cytoplasm

What part of the cell separates it from the external environment?

Cell membrane

Both Prokaryotes and Eukaryotes (4)

Enclosed by plasma membranes

Contain ribosomes

Have DNA

Filled with cytoplasm

Eukaryotic Cells Main Parts

Have a true nuclei

Do not lack organelles