Question | Answer |
What are biological catalysits that increase the rate of chemical reactions? | Enzymes |
Most enzyme are made out of what? | Protein |
What acts by lowering energy required for a reaction to proceed? | Enzymes |
The ability of enzymes to lower energy requirement is due to what? | Highly-ordered 3-dimensional shape |
Enzymes have highly-ordered 3-dimentional shapes, this is refered to as what? | Conformation |
What are the pockets called in an enzyme called? | Active sites |
What fits into the active site of an enzyme? | Substrates (reactants) |
Enzymes act by bringing __________ close together so they can react. | Substrates |
Most enzyme names end with what? | "ase" |
Metal ions such as Calcium, magnesium, manganese, copper, zinc and selenium are examples of what? | Cofactors |
What are derived from vitamins and transport small molecules needed by enzymes? | Coenzymes |
The binding of a ______ changes the conformation of the active site and aids in the temporary bonding between an enzyme and substrate? | Cofactor |
Classes of enzymes are named according to their activity. Some remove a phosphate group and some add. What enzyme adds a phosphate group and what one remove a phosphate group? | Kinases adds and phosphotase removes |
Enzymes have an optimal temperature and pH range. What is the pH of pepsin? | 2.0 |
Enzymes have an optimal temperature and pH range. What is the pH of monoamine oxidase (nerve endings)? | 9.8 |
Enzymes have an optimal temperature and pH range. What is the pH of Lipase (pancreatic juice) | 7.0 |