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Homework…. Find a diagram of a plant and animal cell (textbook or internet). Redraw both cells and label them fully. Research the difference between a.

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Presentation on theme: "Homework…. Find a diagram of a plant and animal cell (textbook or internet). Redraw both cells and label them fully. Research the difference between a."— Presentation transcript:

1 Homework…. Find a diagram of a plant and animal cell (textbook or internet). Redraw both cells and label them fully. Research the difference between a prokaryote and eukaryote cell. Put your info into a suitable table. Due: 15/09

2 Title: Cells… Lesson Objectives : 1. Can I name and identify cell organelles? Grade C 2. Can I compare and contrast prokaryotic and eukaryotic cells? Grade B/A Starter: Study your pics of cells….then label mine…

3 The type of cell you are currently familiar with:

4

5

6 Cell theory…. The basic principles of the cell theory are: All organisms are made of cells that resemble each other by having internal structures and a boundary These cells are always formed by the division of pre-existing cells Cells contain inherited information which determines their activity Given suitable conditions, cells are capable of independent existence Can you name the 7 characteristics all living things share?

7 Cell Structure… Given these principles of cells, biologists recognise two types of cellular structure: Prokaryotic cells (‘before the nucleus’) Eukaryotic cells (‘with a nucleus’) Virus particles do not fulfil the criteria of the cell theory and so are regarded as being non-cellular. Some texts may refer to their structure as being ‘akaryotic’ (without a nucleus)

8 Your homework…. What did you discover about Prokaryote cells?

9 Prokaryotic cells… Plasmid Plasma membrane

10

11 Prokaryotic cells…

12 Bacterial cell….

13 Prokaryotic cells…

14 Prokaryotic reproduction Prokaryotic cells divide by a process known as binary fission

15 Prokaryotic structure Structures present in all prokaryotic cells or DNA.

16 Structures sometimes seen in prokaryotic cells Prokaryotic structure…

17 Your homework…. What did you discover about Eukaryote cells?

18 Eukaryotic cells… Obvious similarities and differences?

19 Comparing eukaryotic cells

20 Prokaryotic vs. eukaryotic

21 Plenary….. Quick quiz….

22 Question 1

23 Answers…. Complete the table to compare prokaryotic and eukaryotic cells prokaryotic cellseukaryotic animal cells DNA present nuclear envelope [membrane] present cell wall present plasmids present in cytoplasm naked DNA present    


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