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Lesson 1 – Intro – Structure and Function of Cell Components

Lesson 1 – Intro – Structure and Function of Cell Components. Molecular Cell Biology. Molecular Cell Biology is the study of the chemical reactions that occur within biological systems or…. Biochemistry. The Main Groups of Molecules. The main groups of molecules found in cells are:.

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Lesson 1 – Intro – Structure and Function of Cell Components

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  1. Lesson 1 – Intro – Structure and Function of Cell Components

  2. Molecular Cell Biology Molecular Cell Biology is the study of the chemical reactions that occur within biological systems or….. Biochemistry

  3. The Main Groups of Molecules The main groups of molecules found in cells are: Carbohydrates Lipids Proteins Nucleic Acids

  4. Cellular Systems The 2 important cellular systems we will study are: Cell Membranes Cytoskeleton

  5. Chemical Composition Living things are mostly made up of oxygen and beyond that there are actually very few different elements involved on a large scale. CHNOPS Oxygen Carbon Hydrogen Nitrogen Phosphorus Sulphur

  6. Carbon-based Life Carbon is the basis for life on earth. It has the ability to make 4 covalent bonds with other atoms.

  7. Functional Groups Carbon based molecules (organic molecules) often have active functional groups that help them to perform a specific chemical role. How many do you know? On your desk draw out the following groups: Methyl, Hydroxyl, Carbonyl, Sulphydryl(thiol), carboxyl, Amino, Phosphate

  8. Methyl

  9. Hydroxyl

  10. Carbonyl

  11. Sulphyldryl

  12. Carboxyl

  13. Carboxyl - ionised - -

  14. Amino

  15. Amino - Ionised

  16. Phosphate

  17. Phosphate - Ionised

  18. Polymers Polymers are macromolecules made up of smaller repeating subunits called monomers.

  19. Dehydration Synthesis Polymers are produced through a type of condensation reaction called dehydration synthesis.

  20. Hydrolysis Hydrolysis is the opposite of a condensation reaction. The large polymer gets broken up into monomers releasing water.

  21. Making and Breaking Bonds Making bonds requires energy. Breaking bonds releases energy.

  22. Your Task Refresh your chemistry – make notes on and complete all activities in the Scholar 4.1 section. There will be a short quiz next week. Learn the different functional groups. Make notes on 2.1 Carbohydrates.

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