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Bio Review Unit 1 Cell Biology.

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Presentation on theme: "Bio Review Unit 1 Cell Biology."— Presentation transcript:

1 Bio Review Unit 1 Cell Biology

2 What are the three tenets of the cell theory?
All living things are composed of cells Cells are the basic unit of structure and function in living things New cells are made from existing cells

3 True or False? A scientific theory can never change.
A scientific theory is a hunch, a guess or an opinion. Scientific investigations progress from a hypothesis to a theory and then to a law. The scientific method describes a sequence of steps that all scientists follow. A scientific theory has been proven true in many cases but a scientific law has been proven true in every case.  Science knowledge is based upon logical and conceptual connections between evidence and explanations.

4 Which macromolecule?

5 Which macromolecule?

6 Which macromolecule?

7 Which macromolecule?

8 Which macromolecule?

9 Which macromolecule?

10 Which macromolecule?

11 Which macromolecule?

12 Flow Chart Lipid Protein Nucleic Acid Carbohydrate No Yes No Yes Yes
Does it have a ring structure in its main chain? Does it have a nitrogen in its main chain Lipid Protein Is there a phosphate group attached? Nucleic Acid Carbohydrate No Yes No Yes Yes No

13 Flow Chart Lipid Protein Does it have only C, H, & O ?
Does it have a ring? Protein Nucleic Acid Is it a ring? Carbohydrate Lipid No Yes No Yes Yes No

14 Prokaryote or Eukaryote? Explain

15 Prokaryote or Eukaryote? Explain

16 Prokaryote or Eukaryote? Explain

17 Prokaryote or Eukaryote? Explain

18 Describe what is happening to the cells in the beakers
Describe what is happening to the cells in the beakers. Use your vocabulary

19 Fill in the blanks Chloroplast


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