Select the following enzymes that utilize a mechanism where ATP serves as the phosphate donor. Select ALL that apply: a) glyceraldehyde 3 phosphate dehydrogenase b) hexokinase c) aldolase class 1 d) PFK e) phosphoglucoisomerase

61. Degradation of glycogen in muscle fails to supply significant amounts of blood glucose because muscle lacks which of the following enzymes? A) Glucose-6-phosphatase B) Glucose-6-phosphate dehydrogenase C) Glycogen phosphorylase D) Phosphoglucomutase E) Phosphorylase kinase

Answer A,B,C

there are A-D questions to this picture set up. A) What enzyme catalyzes this reaction? B) What is Delta G, please answer in Joules, K=19 C) If concentration of Glucose-1_Phosphate is 48.82 uM at equalibrium, what is the concentration of Glucose-6-phosphate in uM? D) If the reaction is NOT at equalibrium, what is delta G at 25C if the concentration of Glucose-1-phosphate is 15.04 uM and concentration of Glucose -6-phosphate is 1.62 mM? please answer in Joules and in significant figures. *note, 10^3uM in 1 mM   Thank you!!

Which of the following describes a purpose for the function of phosphoglucoisomerase? a) allows for phosphorylation for trapping the molecule in the cell b)promotes substrate level phosphorylation and formation of ATP c) allows formation of a primary alcohol necessary for the next step of phosphorylation d)facilitates epimerization, the change in stereochemistry at one chiral carbon

Which of the following condenses acyl and malonyl groups? a) Acetyl co-A ACP transacetylase b) Malonyl co-A ACP transferase c) ß-ketoacyl ACP synthase d) Acyl carrier protein

Enzyme + acetate + CoA ---> enzyme + acetyl _ CoAIn the reaction above, the enzyme is acting as a A) Modulator B) Cofactor C) Catalyst D) Activator

which of the following functions matches with the coenzyme   functions: a.) facilitate redox reaction in the anabolic pathway b.) carry acyl group via a thioester bond c.) facilitate redox reaction involving C=O in the catabolic pathway d.) facilitate redox reaction involving C=C   CoEnzymes to pair the functions from: NAD+ FAD NADP+ Coenzyme A

Which of the following statements is/are CORRECT? OA) Phosphoenolpyruvate carboxykinase is inhibited by ADP. B) Pyruvate carboxylase is inhibited by ADP. C) Fructose-1,6-bisphosphatase is inhibited by ADP. OD) A and B. OE) B and C. 4

Glucose-6- phosphatase catalyzes the following reaction: glucose – 6-phosphate + H2O = glucose + phosphate. Glucose-6- phosphatase would be classified as a(n)  a)  kinase   b) hydrolase   c)   lyase  d)   oxidoreductase If ∆G for a biochemical reaction has a positive value, this means: a)  the reaction will proceed very rapidly   b)   the reaction will proceed very slowly   c)  the reaction will generate heat   d)  The reaction requires energy input to proceed. Which thermodynamic parameter do enzymes change? A)  entropy  b)  activation energy   c)  enthalpy   d)  all of these Enzymes have which effect on the chemical equilibrium of a biochemical reaction? A)  the equilibrium shifts to favor products   b)  the equilibrium shifts to favor reactants  c) The equilibrium does not shift, but gets there faster   d)  a new equilibrium is formed