in condensation reactions, removing H2O ____. While adding H2O ____ - ️️in
condensation reactions, removing H2O forms molecules. While adding H2O breaks
down molecules.
describe chemical feature(s) of amino acids - ️️uniform chemical structure w/
directionality
- amino terminus
-carbo...
condensation reactions link ___ to form ___ - ✔️✔️condensation reactions link
monomers to form polymers
what structure is the plant cell wall made of? - ✔️✔️carbohydrates
describe the chemical nature of carbohydrates - ✔️✔️- highly polar
-hydrophilic
-H bond forming
describe the chemical feature(s) of carbohydrates - ✔️✔️- linear chain
OR
-ring (polymer)
-several OH groups (potential for linkage)
why can we digest starch & not cellulose - ✔️✔️starch has alpha link b/t glycosidic
bonds. cellulose has beta link and we dont have a beta enzyme.
, when naming linkages, position 1 OH group determines... - ✔️✔️Beta - Up
Alpha - Down
the ___ nature of lipids can be membranes/barriers between 2 aqueous compartments -
✔️✔️hydrophobic
describe the chemical feature(s) of lipids - ✔️✔️hydroen chains w/ polar COOH at the
ends
describe the chemical nature of lipids - ✔️✔️amphipathic (one end likes water)
Describe a phospolipid - ✔️✔️- x2 fatty acid tails (nonpolar/hydrophobic)
-head group (polar/hydrophillic)(charged Phosphate)
Describe Tay-Sachs disease - ✔️✔️neuron cells mutated and improperly metabolize
gangleoside (Gm2) as it accumulates
describe chemical narure of amino acids - ✔️✔️R group varies
what is pK ? - ✔️✔️pH at which 1/2 the molecules of an ionizable substance are
charged
Which amino acid side chain is closest to physiological pH? - ✔️✔️Histadine
Name the polar amino acid side chains - ✔️✔️- serine
- threonine
- cysteine
- tyrosine
- asparagine
- glutamine
Name the electrically charged amino acid side chains - ✔️✔️Acidic
asparate & glutamate
Basic
lysine, arginine, histadine
Describe chemical features of nucleotides - ✔️✔️uniform structure w/ side group
variability (N base)
Describe the chemical nature of nucleotides - ✔️✔️polar, charged
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