Macromolecules

Macromolecules - minutes(2ml substance + 2ml Benedicts) ??...

Info iconThis preview shows pages 1–9. Sign up to view the full content.

View Full Document Right Arrow Icon
Macromolecules Introduction ?Four classes ?carbohydrates ?proteins ?lipids ?*nucleic acids * not studied
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Carbohydrates CHO ?glycosidic linkage is between 2 sugars groups ?monosaccharides ?disaccharides ?*oligosaccharides(not studied) ?polysaccharides
Background image of page 2
Carbohydrates, cont. ?Monosaccharides?glucose, fructose, galactose ?Disaccharides?maltose (glucose- glucose)?lactose (glucose- galactose)?sucrose (glucose-fructose) ?Polysaccharides enzymes ?starch (potato starch maltose)
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Carbohydrates Reducing Sugars Redox ?red = reduction (gain electrons) ?ox = oxidation (lose electrons) ?reducing sugar - reducing agent, donates electrons to reduce a molecule ?all monosaccharides, some disaccharides
Background image of page 4
Benedict’s Test for Red. Sugars Cu ++ with red. Sugar gives Cu + + (reduced) and Sugar(ox) Benedicts ?Procedure:boil solution for 3
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 6
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 8
Background image of page 9
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: minutes(2ml substance + 2ml Benedicts) ?? blue -ve ? green + ? yellow ++ ? orange +++ ? red/brown++++ Proteins CHON ?monomer ?amino acid, 20 ?amino acid structure ?central C atom, amino group, carboxyl group, H atom, R group ?peptide bond is between 2 a.a. Carbohydrates Iodine Test for Starch Procedure:?1 ml Iodine + 2 ml substance ?results ?blue-black +ve ?yellow-brown-ve Biuret Test for Proteins ?Procedure Mix 2ml substance + 2 ml Biuret ?results ?light blue - ve ?slight purple + ?deep violet ++ Sudan IV Test Procedure ?oil + water = emulsion ?add Sudan IV, which layer does it stain? ?add detergent (emulsifier), what happens? ?oil droplets are suspended in water...
View Full Document

This note was uploaded on 01/06/2012 for the course BIOL 1406 taught by Professor Markgarcia during the Fall '11 term at Collins.

Page1 / 9

Macromolecules - minutes(2ml substance + 2ml Benedicts) ??...

This preview shows document pages 1 - 9. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online