Enzymes Activity . Enzymes Activity. 49. 50. 10/1/13. 10/1/13. Starter: Check your Ecosystems. Application/Connection/Exit: Enzymes Activity. Paste Starter Here. 1. Practice : Notes-Enzymes Glue here . Table of Contents. Date Lecture/ Activity/ Lab Page
Date Lecture/ Activity/ Lab Page
9/18 Ecological Succession 29-30
9/19 Ecosystem Lab 31-32
9/23 Biochemistry 33-34
9/24 Biomolecules 35-36
9/25 Identifying Biomolecules part 1 37-38
9/26 Identifying Biomolecules part 2 39-40
9/27 Lab Report 41-46
9/30 Enzymes 47-48
10/1 Enzymes Notes 49-50
Enzymes work by weakening bonds which lowers activation energy
Free energy of activation
Progress of the reaction
The substance (reactant) an enzyme acts on is the substrate
1. Environmental Conditions
2. Cofactors and Coenzymes
3. Enzyme Inhibitors
1. Extreme Temperature are the most dangerous
- high tempsmay denature (unfold) the enzyme.
2. pH (most like 6 - 8 pH near neutral)
3. Ionic concentration (salt ions)
Iron must be present in the quaternary structure-hemoglobin in order for it to pick up oxygen.
a. Competitive inhibitors: are chemicals that resemble an enzyme’s normal substrateand compete with it for the active site.
b. Noncompetitive inhibitors:
Inhibitors that do not enter theactive site, but bind toanother partof the enzymecausing the enzyme to change its shape, which in turn alters the active site.