However, [heat] does not 'destroy' the protein, it simply causes it to unfold. The amino acids remain intact and are still available.. I think the confusion of where heat can cause a problem is with enzymes.
TOEFL stands for Test Of English as a Foreign Language (Educational Testing Service) Suggest new definition. This definition appears very frequently and is found in the following Acronym Finder categories: Organizations, NGOs, schools, universities, etc.
In the United States, fees are generally $170. The official practice test for the TOEFL costs $44.95. The official TOEFL guide costs $29.95. TOEFL classes can cost about $400 for 40 or more hours of instruction, with individual tutoring starting at about $100 an hour through companies like The Princeton Review.