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23 Cards in this Set
- Front
- Back
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Nucleic acid
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A polymer composed of monomers called nucleotides
They store and stransmit hereditary information |
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DNA and RNA
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-----double strand
and -----Single strand |
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Dehydration synthesis
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Connects monomers to form a polymer, produces water, joins amino acids to form protein
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Hydrolysis
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Breaks up polymers, forming monomers
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Isomer
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a molecule that has the same number of atoms and chemical formula as another molecule but has a different shape.
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Lipids
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Hydrophobic
Made up of nonpolar H-C bonds |
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Triglyceride
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covalent bonds store energy
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PHOSPHOLIPIDS
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make up call membranes and have HYDROPHILIC HEADS AND HYDROPHOBIC TAILS
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proteins
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provede structural support, transport other substances, perform signaling within and between cells, allow for movement, defend against foreign substances.
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amino acids
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make protien and is a polymer
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Peptide bond
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joins two amino acids through dehydration sythesis
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anabolic chemeical reaction
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builds larger molecules
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catabolic chemical reaction
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breaks down larger molecules into smaller ones
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Bonded monosaccharides
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make disaccharides
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H2O
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two hydrogen atoms covalently bonded to one oxygen atom. The hydrogen atoms have a partial positive charge and the oxygen has a partial negitive charge
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hydrogen bonding
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attraction between adjacent water molecules
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cohesion
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water molecules sticking to each other
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adhesion
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water molecules are attracted to other charged polar molecules and makes glass charged.
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pH scale
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the measure of the concentration of H+ ions in a solution
(7 is nuetral) |
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Hydrogen
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atomic number of 1 has one electron in outer shell (can make one bond)
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Carbon
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atomic number 6, has four electrons in outer shell (can make four bonds)
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Nitrogen
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atomic number of seven - has five electrons in outer shell-can make three bonds
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Oxygen
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atomic number of 8 - has 6 electrons in outer shell (can make two bonds)
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