Answer:
Peptide bonds.
Explanation:
Peptide bonds are essential in the formation of a protein's primary structure, but they do not contribute to the tertiary structure.
Philosophy is the study of the basic or underlying nature of knowledge, reality, and existence.
Answer:
Lab technician
Explanation:
Chemical used is the main independent variable. Cell growth was the dependent variable or response variable. The cell type and dose are both being tested within the experiment leaving lab technician.