25 Jul WHICH OF THE FOLLOWING DOES NOT REGULATE BIOCHEMICAL REACTIONS?
B. Show more Which of the following does NOT regulate biochemical reactions? A. Regulation of enzyme amounts. B. Regulation of access of substrates to certain compartments. C. Alteration of DG o by raising or lowering reactant concentrations. D. Regulation of the catalytic activities of enzymes. E. Alteration of the amounts of allosteric modifiers (regulator molecules). 12- The Krebs cycle can accurately be described as a) a central metabolic pathway b) an amphibolic pathway c) a catabolic pathway d) an anabolic pathway e) all of the above 13. Which statement concerning enzyme catalyzed reactions is correct A. the free energy of activation (DGact) is the difference in free energy in the substrate (initial state) and the free energy in the product B. the transition state is a stable form of the enzyme and substrate C. enzymes decrease the free energy of activation (DGact) D. enzymes are consumed while catalyzing a reaction E. enzymes alter the equilibrium constant 14. The standard free energy change for a metabolic pathway: A. is positive for spontaneous pathways. B. is inversely proportional to the rate of the overall pathway. C. is lower in the presence of the pathway enzymes. D. is the sum of all the individual standard free energy values. E. depends on the free energy of the rate limiting reaction. 15 Metabolic pathways may be a) Catabolic b) Anabolic c) Central d) Anaplerotic e) Amphibolic f) all of the above 16. ATP is considered to be the universal source of energy for endergonic reactions but is not the storage form of energy under physiological conditions. Why? A. The actual free energy of hydrolysis of ATP is only -11 to -12 kcal. B. ATP is not located in the cytoplasm where most endergonic reactions occur. C. The half-life of ATP is too short. D. The synthesis rate for ATP is not efficient. 17 Which one of the following statements concerning Ca2+ is correct? A. Intracellular concentration of Ca2+ is higher than that of the extracellular fluid. B. The concentration of cytosolic Ca2+ is transiently decreased by activation of phospholipase C. C. The effects of Ca2+ are most often mediated by calmodulin. D. Ca2+ opposes the action of diacylglycerol on protein kinase C. E. Intracellular Ca2+ is mostly free. Show less
Our website has a team of professional writers who can help you write any of your homework. They will write your papers from scratch. We also have a team of editors just to make sure all papers are of HIGH QUALITY & PLAGIARISM FREE. To make an Order you only need to click Ask A Question and we will direct you to our Order Page at WriteDemy. Then fill Our Order Form with all your assignment instructions. Select your deadline and pay for your paper. You will get it few hours before your set deadline.
Fill in all the assignment paper details that are required in the order form with the standard information being the page count, deadline, academic level and type of paper. It is advisable to have this information at hand so that you can quickly fill in the necessary information needed in the form for the essay writer to be immediately assigned to your writing project. Make payment for the custom essay order to enable us to assign a suitable writer to your order. Payments are made through Paypal on a secured billing page. Finally, sit back and relax.
About Writedemy
We are a professional paper writing website. If you have searched a question and bumped into our website just know you are in the right place to get help in your coursework. We offer HIGH QUALITY & PLAGIARISM FREE Papers.
How It Works
To make an Order you only need to click on “Order Now” and we will direct you to our Order Page. Fill Our Order Form with all your assignment instructions. Select your deadline and pay for your paper. You will get it few hours before your set deadline.
Are there Discounts?
All new clients are eligible for 20% off in their first Order. Our payment method is safe and secure.