In lysozyme catalysis, which of the following does not contribute? Formation of a covalent intermediate at Ser195 Formation of a covalent intermediate at Asp52 The abnormally high pKa of Glu35 The strained conformation of the D sugar TRUE ANSWER : ? YOUR ANSWER : ?
The glycosidic bond in sucrose is hydrolyzed by bees joins glucose and fructose to form sucrose in maltose is not hydrolyzed in lactose intolerant humans both (b) and (c) TRUE ANSWER : ? YOUR ANSWER : ?
Insulin stimulates gluconeogenesis and inhibits glycolysis inhibits gluconeogenesis and stimulates glycolysis inhibits gluconeogenesis and glycolysis stimulates gluconeogenesis and glycolysis TRUE ANSWER : ? YOUR ANSWER : ?
Hexokinase activity in glycolysis is inhibited by fructose 6-phosphate fructose 1,6 biphosphate phosphofructokinase glucose 6- phosphate TRUE ANSWER : ? YOUR ANSWER : ?
Pyruvate is initially converted to which of the following in the gluconeogenesis? Glycerol Acetyl CoA Oxaloacetate Phosphoenol pyruvate TRUE ANSWER : ? YOUR ANSWER : ?
What is the consensus N-glycosylation site in a protein sequence? None of these Asn-Xaa-(Ser or Thr) (Ser or Thr)-Asn-Ala Thr-(Asn or Gln)-Ala TRUE ANSWER : ? YOUR ANSWER : ?
The multistep pathways of metabolism are efficient because they use the same substrate for all of the enzymes in the pathway use the same enzyme for all of the substrates in the pathway locate all of the enzymes for a pathway in the same place within the cell spread the enzymes for a pathway into several different organelles TRUE ANSWER : ? YOUR ANSWER : ?
During vigorous exercise, pyruvate produced by glycolysis is converted to monosodium phosphate acetate pyruvic acid lactate TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following enzymes plays an important role in the Cori " cycle? Glucokinase Glucose isomerase Glucose-6-phosphate dehydrogenase Lactate dehydrogenase TRUE ANSWER : ? YOUR ANSWER : ?