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Вопрос № 190683 - Английский язык

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What is a vital role of proteins?
Варианты ответов
  • They are essential structural elements.
  • They are large molecules consisting of more than 20 amino acids.
  • They are important bio-catalysts and antibodies providing defence against destructive forces.
  • The structure of proteins is related to their function.
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Вопрос задал(а): Анонимный пользователь, 10 Ноябрь 2020 в 00:07
На вопрос ответил(а): Анастасия Степанова, 10 Ноябрь 2020 в 00:07

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Вопрос № 190687

Определите основную идею текста
Not all vitamins are amines.
Antivitamins prevent normal functions of vitamins and destroy them.
There exist water-soluble and fat-soluble vitamins.
Being essential for human health vitamins should be obtainable from the diet and other sources.
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