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Transcript of The Cell
By Mathilde Tash, Henry Rayner, and Lilia Bohensky
The Cell Membrane is the barrier between the inside of a cell and its environment.
The membrane covers
the cell's surface and is made out of
lipids and proteins.
Lysosomes are special vesicles containing digestive enzymes.
Ribosomes are organelles that make protein in a cell.
The Nucleus is the organelle that controls all functions in the cell. DNA is concentrated in the nucleus.
These enzymes break down waste and other debris that may be found within a cell.
They can be found floating freely
in the cell's cytoplasm or
attached to the cell's Rough
Vacuoles are membrane-bound organlles that store the liquids and waste of the cell.
The Mitochondria is the cell's power plant that breaks down its food into ATP.
The Golgi Apparatus is the organelle that modifies and packages materials to later be delievered throughout the cell by the ER.
Rough Endoplamic Reticulum
The Rough ER is the cell's delivery system. Its function is to transport materials throughout the cell. It is rough because ribosomes attach themselves to the Rough ER.
Smooth Endoplasmic Reticulum
The Smooth ER works like the Rough ER in that it transoprts materials throughout the cell.
Cytoplasm is the fluid region of a cell inside its membrane. Within it, you can find all of the cell's organelles, excluding the nucleus.
The cytoplasm is composed of mostly water and salt
Its purpose is to fill the space between all of the other organelles.
The Nucleus is in the center of the cell.
ATP is a special molecule that provides energy for the cell's activities.
The difference between the Rough and the Smooth ER is that the Rough ER has Ribosomes attactched to it and the Smoth ER is more detoxifying to chemicals.
Cilia help the cell move around. They are short, hairlike organelles that continuously move.
Flagella are slim, whiplike structures attached to a cell that acts as its "tail".
The function of the flagellum is to thrash back and forth to move the cell wherever it may need to go.
Flagella appear only on unicellular organsims, such as bacteria and sperm.
Cilia are microscopic hair-like
structures on the surface of cells.
Postlethwait, John H., and Janet L. Hopson. Modern Biology. Orlando: Holt, Rinehart and Winston, 2006. Print.
1a explaining the relationships between and amongst the specialized structures of the cell and their functions (e.g. transport of materials, energy transfer, protein building, waste disposal, information feedback, and even movement).