Summary quiz 5 (bio lab)

4 macromolecules

Carbohydrates, lipids, proteins, and nucleic acids

Monosaccharides

Simple sugars (fructose, galactose, glucose)

Disaccharides

Consists of two monosaccharides

Polysaccharides

Consists of two or more monosaccharide that are bonded together by glycosidic bonds

Cellulose

Structural polysaccharide in plants

Starch

Storage polysaccharide in plants

Benedict's solution test for?

Simple sugars

Negative Benedict's solution

Blue

Positive Benedict's solution

Orange

Lugol'S test for?

Complex sugars

Negative Lugol'S test

Dark red

Positive Lugol'S test

Black

Paper test for?

Lipids

Negative paper test

No oil droplet

Positive paper test

Oil residue

Biuret test for?

Proteins

Negative biuret test

Blue

Positive biuret test

Violet/black

Bonds connecting proteins

Peptide bonds

Connecting nucleic acids

Phosphodiester linkages

Bonds in carbohydrates?

Glycosidic linkages

Bonds in lipids?

Ester bonds