Two Types of Cells Prokaryotic Eukaryotic What do

Two Types of Cells Prokaryotic Eukaryotic

What do all cells have in common? n n ALL cells have a cell membrane, cytoplasm, DNA, and ribosomes Cell membrane – the flexible outer covering of a cell that controls what goes in and out

What do all cells have in common? n n n Cytoplasm – the liquid substance that fills up a cell DNA – cell instructions Ribosomes- a part in a cell that makes protein according to cell instructions

What are the 2 main types of cells? 1. Prokaryotic § Cells that lack a nucleus 2. Eukaryotic § Cells that have a nucleus

What is a nucleus? n Nucleus – Holds the genetic information of the cell (DNA) and controls most cell activities

Prokaryotic Cells n n Small, simple cells with a cell membrane, cytoplasm, DNA, & ribosomes No nucleus Single-celled (unicellular) organisms Example: bacteria

Example of Prokaryotic Cells -Bacteria

Example of Prokaryotic Cells -Nostoc (Cyanobacteria)

Prokaryotic Cell Diagram

Eukaryotic Cells n n n Larger more complex cells with a cell membrane, cytoplasm, DNA, & ribosomes Have a nucleus and other organelles Organelles - specialized parts inside a cell with a particular function Either single-celled or part of a multicellular organism Example: plant, animal, fungus, protists

Examples of Eukaryotic Cells -Plant and Animal

Spirogyra (Protist)

Eukaryotic Cell Diagram

http: //www. cellsalive. com/howbig. htm

Prokaryotic vs. Eukaryotic