Cells/ Micro-Organisms Study Guide
1. __Cell Wall_________ gives the plant cell its rigid shape. (plant cell only)
2. ___Chloroplasts____ are the part of a plant cell where photosynthesis takes place. (plant cell only)
3. ______Mitochondria_ is the organelle that turns the food into energy for the cell.(powerhouse)
(plant/animal)
4.______Vacuole_______ is the storage center for the cell. (plant/animal)
5.___Nucleus______ is the control center of the cell. (the brain) (plant/animal)
6.__Cell membrane___controls what goes into and out of the cell. (the screen- good stuff in/bad stuff out)
(plant/animal)
7._____ Cytoplasm___ is the jelly that all the organelles float in. ( keeps the cell clean/healthy) (plant/animal)
8. Helpful Micro-organisms (Bacteria)
A.
B.
C.
D.
E.
Yeast- helps bread rise
Yogurt- helps digestive system
Decaying leaves- help break down dead material into useful substances
Penicillin- medicine that helps kill harmful bacteria
Phytoplankton- grow in the ocean and produce oxygen
9. Harmful Micro-Organisms (Germs)
A.
B.
C.
D.
E.
E-coli and Salmonella- grow on uncooked meats
Cook meats well to kill harmful bacteria
Wash hands regularly
Cover your mouth/nose when sneezing
Harmful micro-organisms can be transmitted through the air.