Jonnathan Pineda. What is a Cell? Make up living things Carry out activities that keep them alive.

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Jonnathan Pineda

Transcript of Jonnathan Pineda. What is a Cell? Make up living things Carry out activities that keep them alive.

Page 3: Jonnathan Pineda. What is a Cell?  Make up living things  Carry out activities that keep them alive.

What is a Cell Wall?

Protected layer Found on the outside of plasma

membrane If you put a balloon in a box, the box

serves a cell wall protecting the balloon

Page 6: Jonnathan Pineda. What is a Cell?  Make up living things  Carry out activities that keep them alive.

Cell Wall in Plants, Archaea,, bacteria,

Plants Primary Walls Secondary walls Archaea Composed of a S-Layer and lack

peptidoglycano Bacteria Composed of disaccharides and amino

acids

Page 7: Jonnathan Pineda. What is a Cell?  Make up living things  Carry out activities that keep them alive.

What are Cell walls Made of?

Plant cell wall - cellulose Bacterial cell wall- peptidoglycan Fungi cell wall- chitin and other

polysaccharodes Archaea cell wall- isoprenyl ether Algae cell wall- cellulose

Page 8: Jonnathan Pineda. What is a Cell?  Make up living things  Carry out activities that keep them alive.

Its Function?

Gives it a shape Protect cell Acts as a pressure vessel Prevent over expansion when water

enters the cell

Page 9: Jonnathan Pineda. What is a Cell?  Make up living things  Carry out activities that keep them alive.

Reference

Raven, P., G. Johnson, K. Mason, J. Losos and S. Singer.  2014.  Biology, 10th ed.  McGraw-Hill, Boston.