The citric acid cycle is a central metabolic pathway in mammalian organisms. Which of the following statements is true o

[answerhappygod]

The citric acid cycle is a central metabolic pathway in
mammalian organisms. Which of the following statements is true of
the interconnections it makes with other pathways?
Depletion of OAA, through processes like GNG, would
result in reduced flux IF nothing resupplied OAA.
PDH complex (PDC) is the first step in this
pathway.
The pathway does not require molecular oxygen and is
therefore oxygen independent.
The pathway is strictly catabolic.