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Transcript

Closing

Destiny Hunter and Fenise Noel

1st Period

  • Transport Vesicles transfer material from one Endoplasmic Recticulum (ER) to the Golgi Apparatus or from one part of the Golgi to another.
  • Lysosomes are the cells waste disposal system and can digest some compounds. They are used for the digestion of macromolecules from phagocytosis endocytosis and autophagy.
  • Vacuoles are enclosed compartments which are filled with water containing inorganic and organic molecules including enzymes in solution. Vacuoles are formed by the fusion of multiple membrane vesicles are effectively just larger forms of these.

Vacuoles

Membrane bound storage bubble-like organelle in animal and plant cells. The fluid contained in these vacuoles are of either waste products to protect the rest of the cell from contamination or nutrients to help the cell survive. Plants also use their vacuole to store water, and in animal cells there may be more than one vacuole.

Lysosomes

An organelle in eukaryotic cells containing digestive enzymes. Protein enzymes are first created in the Rough ER of the cell, packaged in a vesicle (transport vesicle) and sent to the Golgi Apparatus. The Golgi then does its job by creating the digestive enzymes and pinches off vesicle (lysosome). The enzymes in the lysosome can breakdown/digest complex molecules such as: macromolecules of phagocytosis (ingestion of other dying cells or larger extracellur material), endocytosis (where the receptor proteins are recycled from the cell surface), autophagy (wherein old or unneeded organelles or proteins, or microbes that have invaded the cytoplasm are delivered to the lysosome), complex sugars and proteins, and cell organelles (for nutrients).

Transport Vesicles

In a very general sense a transport vesicle could be any vesicle that transports material around the cell. More specifically, transport vesicles are usually referred to those vesicles that transport material from the Endoplasmic Reticulum (ER) to the Golgi apparatus or from one part of the Golgi to another.

Closing Activity

Comparing vacuoles in an

animal and plant cell

We need 6 volunteers, who will be split into two teams of 3.(Everyone is welcome to complete the exercise but only the people in the teams will receive candy) Once you are in your two teams you will need a piece of paper and something to write with, I will put a picture of a cell on the screen. On the cell you will identify the Transport Vesicles, Lysosomes, and Vacuoles once labeled you will give a brief description of all three. The team that finishes first will receive candy.

Standard/Big Idea:

Biological systems interact, and these systems and their interactions possess complex properties.

How do the functions of Transport Vesicles, Lysosomes, and Vacuoles differ?

Essential Question:

Animal Cell

4. Transport vesicle

10. Vacuole

12. Lysosome

Comparing Transport Vescicles, Lysosomes, and Vacuoles

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