which one below is not a kind of high energy compound?
enzymes are potent catalysts because they:
which statement about allosteric control of enzymatic activity is false?
which amino acid is not one that may be targeted for phosphorylation to modulate the activity of an enzyme?
which type of enzyme is responsible for attaching phosphate groups to specific amino acids?
which reaction in glycolysis requires atp as a substrate?
which reaction in glycolysis produces atp as a product?
during strenuous exercise, the nadh formed in the glyceraldehyde 3-phosphate dehydrogenase reaction in skeletal muscle must be reoxidized to nad if glycolysis is to continue. the most important reaction involved in the reoxidation of nadh is:
which compound cannot serve as the starting material for the synthesis of glucose via gluconeogenesis?
which statement about gluconeogenesis is false?
in humans, gluconeogenesis:
which statement about the pentose phosphate pathway is correct?
the metabolic function of the pentose phosphate pathway is to:
which compound(s) is/are a high-energy intermediate(s) in glycolysis?
which compound is not an intermediate of the citric acid cycle?
conversion of 1 mol of acetyl-coa to 2 mol of co2 and coa via the citric acid cycle results in the net production of:
which factor is not associated with the oxidation of substrates by the citric acid cycle?
which enzymatic activity would be decreased by thiamine deficiency?
the reaction of the citric acid cycle that produces an atp equivalent (in the form of gtp) by substrate level phosphorylation is the conversion of:
which process is not a metabolic fate for pyruvate in liver tissue?
which statement about mammalian glycogen synthase is not correct?
which statement is true of glycogen synthase?
which statement is true of glycogen synthesis and breakdown?
which statement regarding oxidative phosphorylation is true?
the electron-transport chain and atp synthase are effectively coupled. which statement best describes how this occurs?
which statement is not true of electron transport?
complex iii contains which cofactor as a prosthetic group?
which statement is false regarding 2,4-dinitrophenol?
which statement is false regarding atp synthase?
in normal mitochondria, the rate of nadh consumption (oxidation) will:
which statement about the chemiootic theory is correct?
which statement about the chemiootic theory is false?
which statement about energy conservation in the mitochondrion is false?
which statement is correct concerning the mitochondrial atp synthase?
the relative concentrations of atp and adp control the cellular rates of:
which statement is not a step in the uptake of cholesterol from the bloodstream into cells?
which factor does not contribute to lowering the risk of atherosclerosis?
if 1 mol of a fatty acyl-coa containing 20 carbon atoms undergoes three rounds of β oxidation, how many mol of atp are produced from the complete aerobic cataboli of the products of these three rounds? (the remaining acyl-coa is not catabolized further.)
in mammals, which intermediate of carbohydrate metaboli cannot relieve ketosis?
which statement is true regarding fatty acids in adipocytes?
what is the role of lipoprotein lipase?
what is the major site of the formation of β-hydroxybutyrate from fatty acids?
which statement is false regarding the catabolic oxidation of 1 mol of palmitate?
what is the extra product resulting from the β-oxidation of a saturated fatty acid with 19 carbons as compared to that of a fatty acid with 18 carbons?
which statement is false regarding ketone bodies?
which compound is not considered a “ketone body”?
what products from the oxidation of odd-numbered fatty acids enter the citric acid cycle?
in hepatocytes, what is a possible fate of acetyl-coa produced from the oxidation of a fatty acid?
in myocytes, what is a possible fate of acetyl-coa produced from the oxidation of a fatty acid?
lipoprotein lipase acts in:
free fatty acids in the bloodstream are:
the glycerol produced from the hydrolysis of triacylglycerides enters glycolysis as:
transport of fatty acids from the cytopla to the mitochondrial matrix requires:
carnitine is:
which compound is able to cross the inner mitochondrial membrane?
what is the correct order of function of the following enzymes of β-oxidation? 1. β-hydroxyacyl-coa dehydrogenase 2. thiolase 3. enoyl-coa hydratase 4. acyl-coa dehydrogenase
saturated fatty acids are degraded by the stepwise reactions of β-oxidation, producing acetyl-coa. under aerobic conditions, how many atp molecules would be produced as a consequence of removal of each acetyl-coa?
which compound is not required in the synthesis of fatty acids?
which statement is not true of the reaction producing malonyl-coa during fatty acid synthesis?
which compound can be synthesized by plants but not by humans?
what enzyme classes are responsible for interconverting glutamate and α-ketoglutarate?
what processes are associated with the glucose-alanine cycle?
which compound can be described as glucogenic and ketogenic?
which amino acid is catabolized to both succinyl-coa and acetyl-coa?
which compound is used in single-carbon transfer reactions?
the coenzyme required for all transaminations is derived from:
the coenzyme involved in a transaminase reaction is:
which statement is false in reference to the mammalian synthesis of urea?
which amino acid is essential for humans?
which amino acid can be directly converted into a citric acid cycle intermediate by transamination?
the human genetic disease phenylketonuria (pku) can result from:
which amino acids are converted to α-ketoglutarate? 1. glycine 2. glutamate 3. histidine 4. arginine 5. proline
which amino acids are converted to succinyl coa? 1. isoleucine 2. valine 3. methionine 4. arginine 5. threonine
which statement is false regarding ketone bodies?
which protein associated with electron transport below is not a flavoprotein?
which statement is true regarding fatty acids in adipocytes?
what is the role of lipoprotein lipase?
which apolipoprotein is recognized by the ldl receptor?
the reaction of the citric acid cycle that produces an atp equivalent (in the form of gtp) by substrate level phosphorylation is the conversion of:
which amino acid is essential for humans?
transport of fatty acids from the cytopla to the mitochondrial matrix requires: