Yes, it's called "Keratin".
No, animal fat does not contain protein. It is primarily composed of triglycerides, which are a type of lipid.
It can. But virtually all animal tissue will contain protein.
yes all "meat" contains protein. even if you don't consider fish meat, it is still animal flesh so it does contain protein.
Fingernails and hair (and claws, hooves and horns on animals) is composed of a protein called "Keratin".
Fingernails are made of a protein called keratin and are considered non-living material, as they do not contain cells or have the ability to grow or repair themselves.
Yes, but not much.
Fingernails do not contain cilia. Cilia are microscopic hair-like structures found on the surface of some cells, primarily involved in movement or sensation. Fingernails are made of keratin, a tough protein that protects the tips of fingers and toes, and they do not have the cellular structures associated with cilia.
Silk contains animal protein, from silk worms.
No. no, but fingernails are. They are keratin, protein.
Keratin.
condenses into chromosomes, which contain DNA and protein
Yes (both animal and plant eggs)