Final answer:
Insoluble proteins can be kept soluble through the action of chaperone proteins.
Step-by-step explanation:
Insoluble proteins can be kept soluble through the action of chaperone proteins. When a protein is subject to changes in temperature, pH, or exposure to chemicals, it may lose its shape, a process called denaturation. Chaperones are protein helpers that assist in the folding of proteins, ensuring that they maintain their proper shape and remain soluble.