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Unit3-OrganicChem
Unit 3 Exam Study Guide: Organic Chemistry
| Question | Answer |
|---|---|
| The building blocks of most biomolecules contain the element. | Carbon |
| Polysaccharides are? | Carbohydrates |
| Lipids are? | Used by the body for storing energy |
| Is a starch an example of a lipid? True or False? | False |
| Long chains of amino acids are found in? | Proteins |
| The amino group of one amino acid is linked to the carboxyl group of another amino acid in a protein. This link is a? | Peptide bond |
| The two types of nucleic acids are? | DNA and RNA |
| Why are organic molecules so diverse? | They have carbon skeletons that vary greatly in arrangement |
| The molecule on which an enzyme acts is called an? | substrates |
| What statement most accurately describes the induced fit model of enzyme function? | Substrate binding slightly changes the shape of the enzyme |
| Lactose is a sugar found in many dairy products. People who are lactose intolerant lack the correct levels of the enzyme that breaks down lactose. What is this enzyme called? | Lactase |
| Enzymes affect the reactions in living cells by changing the? | speed of the reaction |
| What is the term used to describe the energy needed to get a reaction started? | Activation energy |
| A substance that speeds up the rate of a biochemical reaction is called an? | Enzyme |
| How are polysaccharides, lipids, and protiens similar? | They are synthesized from monomers by dehydration synthesis |
| What is an example of a monomer from the following list? Amino acide, nucleotide, protein | protein |
| A monsaccharide is a? | Carbohydrate |
| A sustance that accelerates the rate of a chemical reaction is called? | Catalyst |
| What are the functions of proteins? | Major building blocks of cells, function as enzymes, transport materials in and out of cells. |