UNE medical biochemistry Unit 2 Test Exam Questions With 100% Correct Answers

UNE medical biochemistry Unit 2 Test Exam Questions With 100% Correct Answers If unregulated, which of the following pairs of enzymes would represent a futile cycle? -answer Fructose 1,6 bisphosphatase and phosphofructokinase-1 Rotenone blocks complex 1 in the ETC. This increases levels of NADH and would likely impair the function of which of the following enzymes? -answer Pyruvate dehydrogenase complex Newborn screening shows a biotinidase deficiency in a 2-day old infant. This deficienty impairs the infant's ability to reuse and recycle biotin. Due to this enzymatic deficiency, the activity of which of the following enzymes is likely impaired? -answer pyruvate carboxylase An individual is recently diagnosed with Type 2 diabetes. In this individual, hyperglycemia may in part be due to inactivity of which of the following glucose transporters on skeletal muscle? - answer Glut 4 (insulin dependent) The skeletal muscle primarily provides substrate for gluconeogenesis through which of the following processes? -answer protein catabolism Alanine can be shuttled from the skeletal muscle to the liver where it is deaminated to produce pyruvate. When glucagon is high, pyruvate is primarily used as a substrate for which of the following pathways? -answer gluconeogenesis Aldolase B facilitaes a reaction that cleaves fructose 1-phosphate into two 3-carbon molecules that will enter glycolysis as which of the following compounds? -answer glyceraldehyde-3- phosphate Within the RBC, NADPH is used for which of the following processes? -answer to re-reduce glutathione Galactose-1-phosphate is initially converted to glucose-1-phosphate and requires which of the following compounds? -answer UDP-glucose Which of the following are the two primary products of the Pentose Phosphate pathway? - answer Ribose-5-phosphate and NADPH Which of the following enzymes is involved in the non-oxidative portion of the Pentose Phosphate Pathway? -answer transaldolase