What is the connecting link between glycolysis and the Krebs cycle?

$A$: Succinyl $CoA$ is the precursor of pyrrole group-containing compounds.
$R$: Succinyl $CoA$ is an intermediate of the $TCA$ cycle.

In Krebs' cycle,$GTP$ is formed in

The number of substrate level phosphorylations $(SLP)$ for one molecule of glucose in the citric acid cycle is:

Where does the $Krebs$ cycle take place?

Number of total $ATP$ generated in $TCA$ cycle per Acetyl $CoA$ molecule is