Unit One Bio Notes

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Last updated 1:53 PM on 12/1/22
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17 Terms

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Enzymes
________ are made up of protiens and speed up a reaction by lowering the activation energy.
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Catalyst
________- a substance that speeds up a reaction by lowering activation energy needed to start a reaction.
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Hydrolysis ↳
________ add water= breakdown of substance.
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Water
________ is a polar molecule.
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↳ enzymes
________ are catalysts, but not all catalysts are enzymes.
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cohesion
________- water's attraction to other water molecules.
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Surface tension
________- the amount of force required to break the surface of a liquid.
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adhesion
________- water's attraction to other substances BESIDES water.
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capillary action
________- the rising of water through a thin tube; is caused by adhesions and cohesion.
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polar molecule
A(n) ________ is when there is both a positive charge and a negative charge.
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substrate
The ________ and enzyme combine- catalysis occurs; when the ________ changes.
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↳ water
________ is polar b /c it contains a slightly negative oxygen atoms (o) and 2 Slightly positive hydrogen (H)
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Enzymes
________ are found in all living things o exist in our body @ different pHs.
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enzyme
The ________ has an active site that the substrate fits into.
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surface tension
the amount of force required to break the surface of a liquid
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ocohesion
water's attraction to other water molecules
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4 types of macromolecules
carbohydrates proteins lipids nucleic acids