ɐ pɹˈoʊtiːn wɪl ˈɔːlweɪz hæv sˈɜːʔn̩ stɹˈɛsᵻz ðˌɐɾɪt mˈʌst ˌoʊvɚkˈʌm, sˈʌtʃ ɐz ɡɹˌævɪtˈeɪʃənəl ænd mᵻkˈænɪkəl; ɪɾ ɪz ðə pɹˈoʊtiːnz ɐbˈɪləɾi tə stˈeɪbɪlˌaɪz fˈoʊm ɐɡˈɛnst ðiːz stɹˈɛsᵻz ðæt dɪtˈɜːmɪnz ðə fˈoʊmz stəbˈɪlᵻɾi.
A protein will always have certain stresses that it must overcome, such as gravitational and mechanical; it is the protein's ability to stabilize foam against these stresses that determines the foam's stability.