Unit 4 Flashcards
what are examples of carbohydrates
compounds such as carbon, hydrogen and oxygen
what are examples of complex carbohydrates made from glucose
starch
glycogen
cellulose
what are proteins made of
amino acids
what are fats and oils made of
from fatty acids and glycerol
what is the test for starch
add iodine and it will turn blue black
what is the test for reducing sugars(glucose)
using benedicts solution and then heating until it turns brick red
what is the test for proteins
add an equal amount of sodium hydroxide and copper sulfate and will turn purple
known as biuret test
what is test for fats and oils
add ethanol and water and shake gently.It will become cloudy white
known as emulsion test
what is test for Vitamin C
add DCPIP which will turn colorless if preset
what is the structure of DNA
double helix structure
what does each strand contain
chemicals called bases
what are the different bases and how do they pair with each other
A with T
C with G
