A patient with high obesity was recommended to take carnitine as a food additive for better fat burning. What function is fulfilled by carnitine in the process of fat oxidation?

Answer options

1. Transport of fatty acids from the fat depots to the tissues
2. Participation in one of the reactions of beta-oxidation of fatty acids
3. Intracellular lipolysis activation
4. Fatty acid activation
5. Transport of fatty acids from the cytosol to the mitochondria