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Enzyme & Digestion
| Question | Answer |
|---|---|
| What are the reactants in the following reaction: C6H12O6 +6O2 -> 6CO2 + 6H2O | C6H12O6 +6O2 |
| What are the products in the following reaction: C6H12O6 +6O2 -> 6CO2 + 6H2O | 6CO2 +6H2O |
| In an exergonic reaction, which has more energy the products or the reactants? What happens to the energy? | Reactants, its released |
| In an endergonic reaction, which has more energy the products or the reactants? What happens to the energy? | Products, its absorbed |
| What is the purpose of a catalyst? | To lower the activation energy and speed up the rate of the chemical reaction |
| What are the catalysts in our bodies called? | Enzymes |
| What is capillary action? | When water sticks to the sides of a tube, pulling water molecules with it until gravity won't let it climb any further. |
| What's an example of capillary action? | Water climbing up a paper towel OR water climbing up the trunk of a tree carrying water and food to the leaves |
| Water vapor in the atmosphere serves as ________ against temperature changes. | insulation |
| Condensation is a ______ changing into a liquid. | gas |
| _________ is when liquids evaporate into gases. | Evaporation |
| Freezing turns a liquid into a _______. | solid |
| _________ is when solids melt to become liquids. | Melting |
| Sublimation is a _______ changing to a gas. | solid |
| _________ is when a gas becomes a solid through frost formation. | Deposition |
| Water is a polar molecule, which means that each end has a _________ charge. | different |
| Because its polar, it is attracted to itself, or sticks to itself, this is called ______________. | cohesion |
| Water molecules are also attracted to other molecules, and can stick to them, this is called ______________. | adhesion |
| The formula for water is? | H2O |
| Acids are _____ than 7 on the pH scale. | less |
| Bases are _______ than 7 on the pH scale. | greater |
| ______ release hydrogen (H+) ion. | acids |
| Salivary Amylase, Pancreatic Amylase and Intestinal Maltase are all enzymes that break down ________________. | carbohydrates |
| Name the enzyme that breaks down fats. Where is it released? | Lypase Small intestine |
| Pepsin breaks down________ and is released in the ________. | Proteins Stomach |
| Trypsin and Peptidases break down _____ and are released in the _____ ________. | Proteins Small Intestines |
| Nuclease and Nucleosidases break down __________ ______ and are released in _______ __________. | Nucleic Acids Small Intestines |
| Pancreatic Amylase and Maltase are enzymes released in _______ _________. | small intestine |
| Salivary Amylase is released in the _________. | mouth |
| Endergonic reactions _________ energy. | absorb |
| Exergonic reactions _________ energy. | release |
| What was the substrate in the liver lab? | Hydrogen Peroxide |
| The part of the enzyme where the substrate binds is known as the ______________. | active site |
| Enzymes and their rate of reaction can be affected by 3 things. What are they? | Temperature, pH and concentration |
| How do high temperature and extreme pH affect enzymes? | Cause enzymes to denature |
| Denaturation is what? | when enzymes unfold and become completely inactive |
| What was the enzyme in the liver lab? | Catalase |
| Protease is another term for enzymes that breaks down _______. | proteins |
| What is induced fit? | when a specific substrate fits together with its specific enzyme |
| What is the energy called that is required to get a reaction started? | activation energy |
Created by:
msgreen
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