1- The following pair of hormones activates the hydrolysis of triacylglycerols and inhibits this process respectively:
a) Adrenaline and glucagon
b) Glucagon and insulin
c) Insulin and norepinephrine
d) Glucagon and norepinephrine

2- Regarding the adenine nucleotide and phosphate translocase model, select the correct statement:
a) H2PO4- transporter is bi-directional
b) The ATP transporter also allows the passage of ADP
c) ADP passes into the intermembrane space
d) ATP passes into the mitochondrial matrix through a specific transporter