Which of the following is made of eukoryotic animal cells? a: virus b: lactobacillus c: liver d: oak

From the options, I would say it would be option B.

Lactobacillus

This kind of cell would be considered a friendly cell, a cell that would protect your body. But, it's more into animals then anything else. But, there's all kind of these kind of cells, that's why they can be into any kind of animal and human. Hope this helps.