cells05-Membranes-2009

cells05-Membranes-2009 - Membranes Bio 106 Fall 2009...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Membranes Bio 106 Fall 2009 Professor Owen Set #04 1 Activation Energy of an Enzyme Which state Which state requires requires significant significant amounts of amounts of energy to energy to obtain? obtain? ECB 3 3-4 Your room?? Your room?? Your room?? Your room?? Enzyme Kinetics ECB 3 3-26 Experimentally, the velocities of a reaction are plotted against the Experimentally, the velocities of a reaction are plotted against the substrate concentrations. A mathematical transformation to the form substrate concentrations. A mathematical transformation to the form of a straight line makes it easier to determine the Km and Vmax of a straight line makes it easier to determine the Km and Vmax values of an enzyme. values of an enzyme. Why do even more math? What is the benefit of making transforming the curved line into a straight line? A. So Professor Owen can assign more work B. Allows one to more easily calculate K m with small concentrations (how else could we know weve reached V max ?). C. Prevents the enzyme from being used up. Protein Regulation by Phosphorylation Protein phosphorylation is a very Protein phosphorylation is a very common means of regulating common means of regulating protein activity. protein activity. A phosphate group from ATP is A phosphate group from ATP is transferred to the target protein by transferred to the target protein by ECB 3 4-38 an enzyme called a protein kinase. an enzyme called a protein kinase. Note that the actual Note that the actual change in activity by change in activity by phosphorylation phosphorylation depends on the protein. depends on the protein....
View Full Document

This note was uploaded on 03/03/2011 for the course BIO 106 taught by Professor T.pageowen during the Spring '11 term at Conn College.

Page1 / 5

cells05-Membranes-2009 - Membranes Bio 106 Fall 2009...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online