Biological Molecules
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14 Terms
What elements are in carbohydrates?
Carbon, hydrogen, and oxygen
What elements are in lipids?
Carbon, hydrogen, and oxygen
What elements are in proteins?
Carbon, hydrogen, oxygen, and nitrogen (sometimes sulfur)
What are the building blocks of carbohydrates?
Simple sugars
What is starch made from?
Many glucose molecules
What is glycogen made from?
Many glucose molecules
What are the building blocks of proteins?
Amino acids
What are the building blocks of lipids?
Fatty acids and glycerol
What is the test for glucose?
Benedict's solution + heat → blue to brick-red
What is the test for starch?
Iodine → brown to blue-black
What is the test for protein?
Biuret solution → blue to purple
What is the test for fat?
Ethanol emulsion test → clear to cloudy white
How do plants store carbohydrates?
As starch
How do animals store carbohydrates?
As glycogen in liver and muscles
Note 
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