Answer:
When a protein is denatured, secondary and tertiary structures are altered but the peptide bonds of the primary structure between the amino acids are left intact. Since all structural levels of the protein determine its function, the protein can no longer perform its function once it has been denatured.A protein becomes denatured when its normal shape gets deformed because some of the hydrogen bonds are broken. Weak hydrogen bonds break when too much heat is applied or when they are exposed to an acid (like citric acid from lemon juice).
The nucleus controls what happens within the cell
Answer:
a To provide cows and other live stock with vaccines so diseased do not spread among farmers and cattle herders.
Explanation:
because that one makes the most sense and it is true
