BI 2.3 Cells

What are the three parts to the Cell Theory?

• Cells have organelles that perform a specific function(s).

• All living things are made up of cells.

• Cells are the basic units of life.

• Cells arise from pre-existing cells.

• Cells make up non-living organisms.

What are some examples of unicellular organisms? (2)

• Algae

• Bacteria

• Protists

• Flagella

What are some characteristics of prokaryotes that you can't find in eurkaryotes? (2)

• They may have a cell wall.

• They don't have a nucleus.

• They don't have membrane bound organelles.

• They have DNA.

Where protein synthesis occurs and are made, free or attached to ER.

• Cytoplasm

• Ribosome

• Nucleus

• Lysosome

Jelly-like material inside the cell

• Rough ER

• Smooth ER

• Cytoplasm

• Golgi Apparatus

What are the functions of the cell's nucleus?

• Regulates what enters and leaves the cell.

• Controls cells activities and contains proteins.

• Controls the cells activities and contains DNA.

• Sorts and packages material.

What are the functions of the cell membrane? (3)

• Regulates what enters and leaves the cell

• Maintains homeostasis

• Stores nutrients, water, or wastes.

• Provides protection for the cell's organelles.

Has ribosomes attached to it, produces proteins

• Smooth ER

• Mitochondria

• Vacuole

• Rough ER

Produces energy for a cell

• Golgi Apparatus

• Smooth ER

• Mitochondria

• Vacuole

Where parts of the ribosomes are made

• Rough ER

• Smooth ER

• Nucleolus

• Cytoplasm