bng2003-2-3-kh-repetition - hanyang...
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3/20/19
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Repetition
Summary of last lecture
Elements Monomer PolymerH, O, C, N, P, S, ---> ~ 20 Amino Acids (AA) ---> proteins
H2O peptidesVan der Waals Interactions
glucose ---> sucrosestarchglycogencellulose
nucleotide ---> DNA, RNA
fatty acids, glycerol ---> Lipids
Amino
Acids
Peptide bond
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SucroseDNA / RNA
CH2
O
PO O
O
CH2CHCH2
OO
C O C O
Phosphate
Glycerol
(a) Structural formula (b) Space-filling model
Fatty acids
(c) Phospholipid symbol
Hyd
roph
obic
tails
Hydrophilichead
Hydrophobictails
–
Hyd
roph
ilic
head
CH2
Choline+N(CH3)3
LipidsEssential Bio-Engineering-related Bio-Molecules
Taking-home message:
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Further important large cellular biomolecules
Energy: ATP
e- carrier: NAD+ & FAD
Cells
Eukaryotic (membrane systems, mitochondria, nucleus , chloroplasts)
Prokaryotic
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