Вот ответ, но только на русском:
Свойства белков таковы:
а) Разная растворимость в воде. Растворимые белки образуют коллоидные растворы.
б) Гидролиз - под действием растворов минеральных кислот или ферментов происходит разрушение первичной структуры белка и образование смеси аминокислот.
в) Денатурация - частичное или полное разрушения пространственной структуры, присущей данной белковой молекуле. Денатурация происходит под действием:
- высокой температуры
- растворов кислот, щелочей и концентрированных растворов солей
- растворов солей тяжёлых металлов
- некоторых органических веществ (формальдегида, фенола)
- радиоактивного излучения
At the first Academy Awards, 1) __was held in May__1929, Best Director awards went to Lewis Milestone for Two Arabian Knightsand Frank Borzage for 7th Heaven. The first award for 2)C Actor in a Leading Role_ went to Emil Jannings (real name Theodor Friedrich Emil Janenz) for his roles in The Last Command and The Way of All Flesh. The first Best Actress award 3) A was won by_Janet Gaynor for her roles in 7th Heaven, Street Angel and Sunrise. The first Best Picture award went to Wings. All those films 4) __E were screened __in 1927. Those were the days of the silent movies, thus Wings was the only silent to have won a Best Picture Oscar. It also featured Gary Cooper 5) _ F in a minor role__. Swissborn Jannings grew up in Germany and had a heavy German accent which, 6) D could play___sound in movies, basically put an end to his Hollywood movie career
. A was won by B with the invention of C Actor in a Leading Role D could play E were screened F in a minor role G held in May
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