Enzymes And Biological Molecules Flashcards
What are the four main groups of organic chemicals used by living things?
- Carbohydrates
- Lipids
- Proteins
- Nucleic acids
What is the study of organic and inorganic molecules that make up living organisms called?
Biochemistry
What is the sum of all the chemical reactions in living organisms called?
Metabolism
What are subunits?
Similar smaller molecules that make up large organic molecules.
What is the reaction called that splits apart subunits?
Hydrolysis
What is the reaction called that joins subunits back together?
Condensation
What is the test that is performed to find out if lipids are present in a solution?
The emulsion test.
What will happen to a solution after the emulsion test if there are lipids present?
A milky white EMULSION is formed.
What is used to test for vitamin C?
DCPIP
What is DCPIP?
A blue dye.
What will happen to the blue dye (DCPIP) if there is vitamin C present in the solution?
It will lose it’s blue colour.
What do you mix into a solution if you want to know if protein is present?
Biuret reagent
What will happen to the solution and the Biuret reagent if protein is present?
It will turn a mauve/purple colour.
What solution is used to test for starch?
Iodine solution.
What will happen to the mixture if starch is present?
It will turn a deep blue-black colour.