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Biochemistry: Chemistry Basics

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Presentation on theme: "Biochemistry: Chemistry Basics"— Presentation transcript:

1 Biochemistry: Chemistry Basics
AP Biology Biochemistry: Chemistry Basics

2 Most Common Elements in all life forms

3 LE 2-4 Cloud of negative charge (2 electrons) Electrons Nucleus

4 Molecule: Same element

5 Molecule: Different elements

6 Energy and Atoms Third energy level (shell) Energy absorbed Second energy level (shell) First energy level (shell) Energy lost Atomic nucleus

7 Valence Electrons

8 Covalent Bonds

9 POLAR MOLECULE – O H H + + H2O

10 Ionic Bonds

11 SALT Na+ Cl–

12 HYDROGEN BONDS – + + – + + + Water (H2O) Hydrogen bond Ammonia
(NH3) + + +

13 Van der Waals Interactions
e e e- e e- e e- NUCLEUS


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