block one Flashcards
Body composition molecules
Water 60-70% Protein 15-20% Lipid 15-20% Ca PO4 4-5% Carbs 2-4% nucleic acids 1%
monosaccharide structure
polyhydroxyl-aldehydes OR Ketones
Fatty Acids Structure
Long hydrocarbon chains with terminal carboxylic acids
Amino Acid Structure
amino- and carboxylate- groups
Cystein structure
amino acid with a sulfhydryl group in its R structure
fats structure
3 fatty acids linked to glycerol via 3 ester bonds
Protein structure
amino acids linked together via amide (peptide) bond
What functional groups are associated with monosaccharides?
Polyhydroxyl - aldehydes OR ketones
Why are monosaccharides termed polyhydroxyl-aldehydes?
lots of OH
What two functional groups are present in fructose?
ketone and alcohol
What functuonal groups are associated with TAG and with these 3 fatty acids?
esters. (alcohol + acid=ester)
What is the difference between the terms carboxylic acid and carboxylate groups?
Carboxylic acid has it’s -, carboxylate can be protonated
What fatty acids are saturated and which are unsaturated?
double bonds present in back bone means unsaturated
Esters are a condensation product from what 2 functional groups?
alcohol and acid
Name all 3 ketone bodies
acetoacetate, acetone, 3-hydroxybutarate
