hard · MCAT bio-biochem
In the human liver, which of the following best explains why Acetyl-CoA derived from fatty acid beta-oxidation cannot be used to synthesize glucose via gluconeogenesis?
- Acetyl-CoA inhibits the enzyme pyruvate carboxylase.
- The liver lacks the enzymes for the citric acid cycle.
- The reaction catalyzed by the pyruvate dehydrogenase complex is irreversible.
- Fatty acids are strictly used for ATP production and cannot enter metabolic pathways.
Sign up free to see the explanation and track your rank →
More MCAT bio-biochem practice
- In the human ear, sound waves cause fluid in the cochlea to… — Which cells are responsible
- An electrophysiologist observes a neuron at its resting memb… — Which ion is primarily res
- Which organelle would you expect to be exceptionally well-developed in these cells?
- What genetic term describes a single gene influencing multiple seemingly unrelated traits?
- Which structure is most likely dysfunctional?
- A researcher discovers that a population of bacteria survives exposure to an antibiotic be
- A patient is admitted to the emergency department with a sev… — How does this patient's O_
- Which molecule acts as a 'fluidity buffer' in animal cell membranes?