7)
Plant and animal cells

 

Plant and animal cells have many similarities. They contain many similar organelles, such as the nucleus, mitochondria , membrane and ribosomes just to name a few. Each organelle performs specific functions which enable the cell to function in a unique way.

Click for a detailed explanation of each organelle.

Some very important differences exist however. Plant cells differ from animal cells in that they contain chloroplasts. These are membrane bound organelles that contain chlorophyll and produce sugars through a process called photosynthesis. The process is outlined below.

CO2(g) + H2O(g) + solar energy => sugar + O2(g)

Another very important feature that is unique to plant cells is the cell wall. This is a sturdy structure made of cellulose that helps maintain the shape of the cell.

Vacuoles are fluid filled vesicles that are larger in plant cells than in animal cells and help maintain water pressure within the cell.

 

1) A cellulose structure that helps maintain the shape of the cell is called
2) Which organelle is found only in plants?
3) Which organelle is not enclosed by a membrane?
4) Sugars are produced in which organelle?
5) Which organelle helps maintain water pressure inside a plant cell?
6) Chlorophyll is enclosed in an organelle called
7) Without this organelle no photosynthesis can occur
8) A reaction that is opposite to this one CO2(g) + H2O(g) + solar energy => sugar + O2(g) occurs in the
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