Please choose the correct ending to complete the given sentence: Health: [header] How to denature a protein [title] Use heat. [step] Heat is one of the easiest ways and most common ways to denature a protein. When the protein in question is present in food, simply cooking the food will denature the proteins.

Ending1: [substeps] For the easiest getting the protein out, don't heat a food on a stove or microwave. Heat the food in small batches instead. Ending2: Heat is a great way to emulsify organic foods and other protein sources. No matter what you've been exposed to, warm foods can still denature a protein. Ending3: Many proteins can be denatured by exposing them to a temperature of or above 100 ° c (212 ° f). This allows the proteins to coagulate and reduce their solubility. Ending4: [substeps] To heat the protein, melt as much whole foods as possible in a large skillet over medium heat. Once heated enough, the protein will expand, forming thick, gel-like strands that sit vertically.

Answer format: ending1/ending2/ending3/ending4