Period 1, 4, 6Cell Organelles:

small structures in the cytoplasm that does a special job

9.22.2010

Review:

Cell MembraneNucleusNuclear MembraneCytoplasm

Review:

Cell Membrane: thin structure surrounding the cell

NucleusNuclear MembraneCytoplasm

Review:

Cell Membrane: thin structure surrounding the cell

Nucleus: control center of the cellNuclear MembraneCytoplasm

Review:

Cell Membrane: thin structure surrounding the cell

Nucleus: control center of the cellNuclear Membrane: Thin structure that

surrounds and protects the nucleusCytoplasm

Review:

Cell Membrane: thin structure surrounding the cell

Nucleus: control center of the cellNuclear Membrane: Thin structure that

surrounds and protects the nucleusCytoplasm: gel-like substance inside the cell

where most of the cell’s activities take place.

Next Questions:

• How does a cell get energy?

• Where does a cell store stuff?

• How does a cell move stuff throughout?

Cornell Notes ContinuedCell Parts Date:

9.21.2010I. Most cells have these main parts

A. Cell Membrane1. Thin structure that surrounds the cell

B. Cytoplasm1. Gel-like substance inside the cell

where most of the cell’s activities take place.

C. Nucleus1. The control center for the cell2. Contains DNA

D. Nuclear Membrane1. Thin structure that surrounds and

protects the nucleus.Cell Organelles 9.22.2010I. Most cells have these organelles

INM

Summary:

Today: Organelles of Plant and animal cells

Mitochondria

• Structures that release energy for a cell

• Powerhouses of the cell

Cornell Notes ContinuedCell Organelles 9.22.2010I. Most cells have these organelles (small

structures in the cytoplasm that does a special job)A. Mitochondria—Structure that releases

energy for a cell.

INM

Summary:

Endoplasmic Reticulum

• Small network of tubes inside a cell that substances move along.

• The “highway”

Cornell Notes ContinuedCell Organelles 9.22.2010I. Most cells have these organelles (small

structures in the cytoplasm that does a special job)A. Mitochondria—Structure that releases

energy for a cell.B. Endoplasmic Reticulum—small network of

tubes inside a cell that substances move along

INM

Summary:

Ribosome

• Small, round structure that makes proteins

• The “protein factory”

Cornell Notes ContinuedCell Organelles 9.22.2010I. Most cells have these organelles (small

structures in the cytoplasm that does a special job)A. Mitochondria—Structure that releases

energy for a cell.B. Endoplasmic Reticulum—small network of

tubes inside a cell that substances move along

C. Ribosome—small round structure that makes proteins (“protein factory”)

INM

Summary:

Golgi Body• Organelle that

packages and sends materials to other places in the cell

• The “post office”

Cornell Notes ContinuedCell Organelles 9.22.2010I. Most cells have these organelles (small

structures in the cytoplasm that does a special job)A. Mitochondria—Structure that releases

energy for a cell.B. Endoplasmic Reticulum—small network of

tubes inside a cell that substances move along

C. Ribosome—small round structure that makes proteins (“protein factory”)

D. Golgi Body—organelle that packages and sends materials to other places in the cell.

INM

Summary:

Vacuole

• Space in the cell that stores substances the cell needs to survive

• “storage container”

Cornell Notes ContinuedCell Organelles 9.22.2010I. Most cells have these organelles (small

structures in the cytoplasm that does a special job)A. Mitochondria—Structure that releases

energy for a cell.B. Endoplasmic Reticulum—small network of

tubes inside a cell that substances move along

C. Ribosome—small round structure that makes proteins (“protein factory”)

D. Golgi Body—organelle that packages and sends materials to other places in the cell.

E. Vacuole—space that stores substances the cell needs to survive

INM

Summary:

Lysosome

• Small, round structure that breaks down nutrients and old cell parts

• “stomach”

Cornell Notes ContinuedCell Organelles 9.22.2010I. Most cells have these organelles (small

structures in the cytoplasm that does a special job)A. Mitochondria—Structure that releases

energy for a cell.B. Endoplasmic Reticulum—small network of

tubes inside a cell that substances move along

C. Ribosome—small round structure that makes proteins (“protein factory”)

D. Golgi Body—organelle that packages and sends materials to other places in the cell.

E. Vacuole—space that stores substances the cell needs to survive

F. Lysosome—Small round structure that breaks down nutrients and cell parts

INM

Summary:

Cornell Notes ContinuedCell Organelles 9.22.2010I. Most cells have these organelles (small

structures in the cytoplasm that does a special job)A. Mitochondria—Structure that releases

energy for a cell.B. Endoplasmic Reticulum—small network of

tubes inside a cell that substances move along

C. Ribosome—small round structure that makes proteins (“protein factory”)

D. Golgi Body—organelle that packages and sends materials to other places in the cell.

E. Vacuole—space that stores substances the cell needs to survive

F. Lysosome—Small round structure that breaks down nutrients and cell parts

INM

Summary:

Guided Practice--Class Answer

1.

GP1. What is a good nickname for a ribosome? a) Carbohydrate Makerb) Post Officec) Protein Factoryd) Stomach

GP2. What is the part of the cell labeled (2) below? a) Nucleusb) Cell membranec) Chloroplastd) Vacuole

GP3. What is the part of the cell labeled (3) below? a) Nucleusb) Cell membranec) Chloroplastd) Vacuole

GP4. What is the part of the cell labeled (4) below?

a) Nucleusb) Cell membranec) Chloroplastd) Vacuole

GP5. Which cell organelle breaks down nutrients and cell parts?a) Nucleusb) Lysosomec) Vacuoled) Endoplasmic Reticulum

GP6. Which organelle is a network of tubes that substances move along?a) Nucleusb) Lysosomec) Vacuoled) Endoplasmic Reticulum

GP7. Which organelle releases energy for the cell?

a) Vacuoleb) Mitochondriac) Golgi Bodyd) Endoplasmic Reticulum

GP8. Which organelle packages and sends materials to other places in the cell?a) Vacuoleb) Mitochondriac) Golgi Bodyd) Endoplasmic Reticulum

GP9. Which organelle stores substances the cell needs?

a) Endoplasmic Reticulumb) Lysosomec) Nucleusd) Vacuole

Independent Practice: Draw a cell picture labeling all of these parts.

Exit Ticket—Name these parts