1. Cell Types

2. Try these Balance book on head Hop on one leg
Specialisation increases the ability of an organism to carry out complex tasks
Some tasks can be completed better by some cells than others.

3. Cell specialisation
Generalised cells can divide and specialise (eg meristem cells in plants & stem cells in animals)
Specialised cells have specific structure and function, eg epithelial cells, muscle cells
Active cells have more mitochondria, eg animal cells have more than plant cells

5. Connective tissue Adipose tissue Red blood cells Fat-storage cells
No organelles (“dead”)

6. Epithelia – linings & covers
Goblet cells – secrete mucous

7. Need lots of energy so have lots of mitochondria
Muscles cells

8. Liver cells
Liver cell
with lots of mitochondria

9. MENU
Quick Quiz
Key Words

10. Key words Animal cell Plant cell Active cells Mitochondria Epithelium
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Animal cell
Plant cell
Active cells
Mitochondria
Epithelium
Muscle
Nervous tissue
Connective tissue

11. Quick quiz
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True / False?
Animal cells usually have more mitochondria than plant
Centrioles are only found in plant cells
Plant cells have a large vacuole
Chloroplasts are found in all photosynthesising plant cells
Plant cell walls prevent cells bursting
Animal cells lose water when placed in pure water
Plant cells undergo plasmolysis when placed in pure water
Active cells (eg muscle & liver) contain many mitochondria
Red blood cells are animal cells so they have a nucleus
Goblet cells produce mucous
Answers

12. Quick quiz
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True / False?
Animal cells usually have more mitochondria than plant T
Centrioles are only found in plant cells F
Plant cells have a large vacuole T
Chloroplasts are found in all photosynthesising plant cells T
Plant cell walls prevent cells bursting T
Animal cells lose water when placed in pure water F
Plant cells undergo plasmolysis when placed in pure water F
Active cells (eg muscle & liver) contain many mitochondria T
Red blood cells are animal cells so they have a nucleus F
Goblet cells produce mucous T