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 |