BICH 409 EXAM 4 QUESTIONS WITH VERIFIED
ANSWERS
What is a general feature of the lipid bilayer in all biological membranes? - answers -
individual lipid molecules are free to diffuse laterally in the surface of the bilayer
A deficiency of which enzyme would lead to hemolytic anemia and decreased affinity of
hb for oxygen? - answers - hexokinase?
Glycolysis self test
T/f: glycolysis is an anabolic pathway - answers - false
Catabolic
T/f: glycolytic enzymes are found in the mitochondria - answers - false
Cytosol
T/f: glycolysis is an exergonic process - answers - true
T/f: pyruvate carboxylase is found only in the mitochondria - answers - true
T/f: one of the functions of the pentose phosphate pathway is to generate nadh -
answers - false
Nadph
The last reaction of glycolysis is catalyzed by: - answers - pyruvate kinase
Which intermediate of glycolysis is a high energy compound? - answers - 1,3-bpg
The conversion of glyceraldehyde 3-phosphate into 1,3-bpg involves: - answers - the
formation of a covalent thioester intermediate
The conversion of dihydroxyacetone phosphate into glyceraldehyde 3-phosphate
involves: - answers - an enediol intermediate
What are the final products of aerobic catabolism of glucose? - answers - co2 and h2o
The 9th reaction of glycolysis is catalyzed by: - answers - enolase
What is not a substrate of hexokinase? - answers - galactose
The first committed step of glycolysis is catalyzed by: - answers - phosphofructokinase-
1
ANSWERS
What is a general feature of the lipid bilayer in all biological membranes? - answers -
individual lipid molecules are free to diffuse laterally in the surface of the bilayer
A deficiency of which enzyme would lead to hemolytic anemia and decreased affinity of
hb for oxygen? - answers - hexokinase?
Glycolysis self test
T/f: glycolysis is an anabolic pathway - answers - false
Catabolic
T/f: glycolytic enzymes are found in the mitochondria - answers - false
Cytosol
T/f: glycolysis is an exergonic process - answers - true
T/f: pyruvate carboxylase is found only in the mitochondria - answers - true
T/f: one of the functions of the pentose phosphate pathway is to generate nadh -
answers - false
Nadph
The last reaction of glycolysis is catalyzed by: - answers - pyruvate kinase
Which intermediate of glycolysis is a high energy compound? - answers - 1,3-bpg
The conversion of glyceraldehyde 3-phosphate into 1,3-bpg involves: - answers - the
formation of a covalent thioester intermediate
The conversion of dihydroxyacetone phosphate into glyceraldehyde 3-phosphate
involves: - answers - an enediol intermediate
What are the final products of aerobic catabolism of glucose? - answers - co2 and h2o
The 9th reaction of glycolysis is catalyzed by: - answers - enolase
What is not a substrate of hexokinase? - answers - galactose
The first committed step of glycolysis is catalyzed by: - answers - phosphofructokinase-
1