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- Please ASAP. Thanku Which of the following would have the lowest (most negative) standard reduction potential (E’0)? Glucose O2 NADH FADH2Consider the enzyme, ATCase. All are true except: It's K effectors are ATP and CTP It is a K system enzyme. Plots of V versus [S] are sigmoidal Plots of 1/V versus 1/[S] are sigmoidal.Describe the endogenous mechanisms that regulate cholesterol synthesis. Want solution ASAP
- Gαq activates which of the following enzymes? a. phospholipase C b. PDK1 c. adenylate cyclase d. PKGHint: ( Ans) A plasma membrane pump Calmodulin is a protein whcalciumich plays an important role in performing variety of functions and which sense the presence of calcium.Intra cellular calcium levels are maintained by calmodulin path way.Hypothetical scenerio: When the membrane potential is 80mV across the digestive vacuoles (DV), inside positive, the Vmax for VF-6-2 efflux is 15pmol/h. However, when the membrane potential is 80mV inside negative, the Vmax of VF-6-2 efflux drops to near zero. Researchers suggest an H+ P-type ATPase is also in the membrane and is required for VF-6-2 efflux. Do these data support their suggestion? What type of transporter might PfCRT be? How can vanadate be used to potentially test their idea?
- Do cell maintain osomsis balance by being in the state of isontonic ?4. Hexokinase is kinase that catalyzes the phosphorylation of glucose by ATP to glucose-6-P, which can bind toits active site, blocking the access to ATP. Which of the following statements is/are correct regarding the typeof regulation?a) Phosphorylationb) Dephosphorylation.c) Feedback inhibition.d) Repression Explain each of the following optionHow much free energy is released when ATP is converted toADP + Pior when AMP is converted to adenosine and Pi?
- The transport of aspirin (pKa = 3.5, structure shown here) from the digestive tract to the circulation occurs by nonmediated absorption into cells lining the stomach (where pH = 0.8) and the small intestine (where pH 6.0). Do you expect absorption to be faster in the stomach or in the small intestine?Describe the normal functioning of the Na-K pump, with special attention on how phosphorylation state affects ion binding affinity.Calcium ions (Ca?+) are a typical cell at rest. a. more concentrated in the cytosol of b. equally distributed across the membrane of c. more concentrated in the extracellular fluid of