BIOLOGICAL MOLECULES Flashcards
What is a saturated and an unsaturated fat?
Saturated is no double carbon bonds
Unsaturated is one or more double carbon bonds
Emulsions test
Add ethanol
Shake
Add to water
Milky white emulsion
Or clear if negative
Respiratory substrate
- molecule that releases energy
- energy used to create ATP
- ATP used to drive metabolic reactions
How are fats processed in the gut
- bile emulsifies
- lipase hydrolyses into glycerol and fatty acids
- then absorbed through ileum
- triglycerides reform
- move to lymphatic system
What are charges in water
Oxygen is electronegative
Hydrogen is electropositive
Charge separation causes polarity
Electrons not evenly shared
How do water mols bond to other water mols
Weak H bonds
Bond between O and adjacent H
Define solvent
Substance that other moleules can dissolve into
Secondary protein structures
Beta pleated sheet
Alpha helix
Secondary protein structures
Beta pleated sheet
Alpha helix
Fibrous proteins
Collagen and keratin
Conjugated protein
Has a non protein component like an ion
