IMED1002 - Introduction to Biochemistry

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8 Terms

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Cells

small, membrane-bound units filled with aqueous solution of chemicals

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Macromolecules

- A very large organic molecule composed of many smaller molecules

- carbohydrates, lipids, proteins, nucleic acids

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Acetyl Group

-COCH3

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Phosphate

PO4 3- (one of the bonds is a double bond, the others are single, hence the negative charge on these with single bonds)

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Sulfhydryl

-SH, polar

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Reaction of ATP to release energy

ATP --(hydrolysis, H2O)--> ADP + Phosphate + H+

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Motor Protein

Protein such as myosin or kinesin that uses energy derived from ATP hydrolysis to allow for physical movement

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Properties of Water

- high boiling point

- high melting point

- high heat of vapourisation

- strong cohesion

- strong surface tension

- H bonds 2x stronger then OH

- Floats as a solid, less dense then liquid

- H bonds form lattice in solid

- Excellent solvent for polar solutes