Cell Parts

Unicellular Organisms

Multi-cellular Organisms

Levels of Organization

Cells

Tissues

Organs

Organ Systems

Organisms

DIVERSITY OF LIFE

Examples of Cells

Amoeba Proteus

Plant Stem

Red Blood Cell

Nerve Cell

Bacteria

Cell Membrane

Endoplasmic

Reticulum

Nucleus

Ribosomes

Golgi Bodies

Mitochondria

Lysosomes

Nuclear Membrane

Vacuole

Cell Membrane

Endoplasmic

Reticulum

Nucleus

Ribosomes

Golgi Bodies

Mitochondria

Lysosomes

Nuclear Membrane

Vacuole

Plant Cell Differences

End Review

X

Prokaryotic Cells

No nucleus

Few internal

structures

Smaller and simpler

than eukaryotic

cells

One-celled

organisms, Bacteria

Eukaryotic Cells Contain organelles surrounded by membranes

Most living organisms – lots of variety (plants

and animals)

Larger and more complex than prokaryotes

What is an Organelle?

Specialized parts of the cell that work

together.

Animal Cells Plant Cells

Lysosomes Cell membrane

Ribosomes

Nucleus

Endoplasmic reticulum

Golgi bodies

Vacuoles

Mitochondria

Cell Wall

Chloroplasts

Cell Membrane Protects the cell

Outer membrane of cell that controls

movement in and out of the cell

Endoplasmic Recticulum

The highway of the cell; it transports

materials from one part of the cell to the

other.

Nucleus

Brain of the cell as it directs cell activities.

Contains genetic material - DNA

Ribosomes

Protein factory creates protein for the cell

Golgi Bodies

Post office (packaging plant) sends and

receives materials (proteins).

Mitochondria

Power plant of the cell changes food into

energy through chemical reactions.

Lysosomes Breaks down food and dead parts of

organelles

Transports undigested material to cell

membrane for removal

Nuclear Membrane

Protects the Nucleus

Vacuole In animals, stores

energy, water, and

waste

Helps plants maintain

shape- large central

vacuole

Stores lots of water –

helps with turgor

pressure

Cytoplasm

Jelly like substance inside of the cell that

holds the organelles in place

Chloroplasts

Location of photosynthesis in a cell

Chlorophyll makes plants green

Cell Wall

Protects the cell and gives it rigid shape

Turgor Pressure-

The pressure exerted

by water inside the cell

against the cell wall.