Q1. What is the good range for a heartbeat stroke work in an anaesthetised sheep? Before and after the venous administration of adrenaline?

Q2. Mitochondrial DNA codes for about 13 proteins (depending on the species of organism). These 13 proteins account for a small proportion of the proteins present in mitochondria. The remaining proteins are coded for by nuclear DNA. What is the most possible explanation for how these proteins find their way to the mitochondria?