Bio notes - The properties of water Facilitates reaction o...

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The properties of water Facilitates reaction o Solutes can react Hydrogen bonding Cohesive pH scale pH: measure of H+ concentration basic- >7 acidic- <7 neutral- 7 Chemical Bonds Sharing or transfer of electrons o Covalent bonds Share (nonpolar, polar) Importance of carbon Bonding versatility Carbon: atomic no.=6 o Hydrogen bond Weak Important in water, proteins, DNA o Ionic Bonds – as strong as covalent opposite charges attract Organic Chemistry Importance of Carbon Bonding versatility Can bond to 4 different atoms at once Macromolecules in living organisms o Carbohydrates Molecules of carbon, oxygen and hydrogen Roles in the cell Examples: monomer, polymer o Proteins Molecules of carbon, oxygen, hydrogen, and nitrogen Roles in the cell: enzymes, hormones Polypeptide Protein-functional unit Structure: function relationship o Lipids Molecules of carbon, oxygen and hydrogen Hydrophobic (mostly) C-H nonpolar bonds
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Bio notes - The properties of water Facilitates reaction o...

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