summary Flashcards
what elements are in carbohydrates?
C, H, O
what is the basic unit of carbs?
glucose (represented as a hexagon
test for starch?
Iodine
test for glucose?
Benedicts
what colour is a positive result for the iodine test?
blue/black
what colour is positive for the Benidicts test?
red/orange/yellow(spectrum of colour)
what elements are in lipids?
C, H, O(less oxegen)
what is the basic unit for lipids?
1 glycerol and 3 fatty acids
test for lipids?
ethanol emulsion test
lipids test positive result?
cloudy
lipids negative test result
not cloudy
elements of proteins
C, H, O, N
test name for proteins?
buret test
positive test result for the buret test
purple
a negative result for the buret test
blue
vitamin C test?
DCPIP
vitamin C test positive?
colourless
vitamin C test results negative?
purple
DNA what is it?
it is made of 2 chains of nucleotides coiled around each other this is called a double helix
the basic unit for proteins?
amino acids
