C, N, O, H as a minimum with some others such as S
CarbonHydrogenOxygenNitrogen
sodium
chicken.
The protein structure contains both alpha helices and beta sheets, which are the two main elements of protein secondary structure.
Chemical elements doesn't contain proteins.
There are different elements that can be used to immobilize a reduced protein. Some of the common element include sulfur, halogen and nitrogen.
Carbs, Fat and Protein
Elements(See the Periodic Table of Elements)
Silk is animal protein, from the silk worm.
it can be a protein, tubol and calcuim
Hydrogen, carbon
oxyen hydrogen carbon and nitrogen