Answer and Explanation:
1. Amino-acid sequence is the primary structure of a protein
2. Alpha helices, beta sheets and coiled coils refers to the protein folding and they represent the secondary structure of a protein
3. Protein ensemble formed by alpha helices, beta sheets and coiled coils represent the tertiary structure of a protein
4. Macromolecules with multiple polypeptides form globular or fibrous protein structures (quaternary structure)
Enzymes are large molecules that speed up the chemical reactions inside cells. Each type of enzyme does on specific job. Enzymes are a type of protein, and like all proteins<span>, they are made from long chains of different </span>amino acids<span>.</span>
Why are they being abused?
Does a animal that is going to be used for human consumption deserve to be treated cruelly?
Does the USDA regulate pig farms and treatment of the pigs?
Are there sanctions for cruelty?
How are the pigs slaughtered, humanly or not?
The answer to your question is C