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Вопрос № 229937 - Английский язык

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Why is an electrical charge of molecules an important property for biochemical studies?
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  • The weight of a protein can be determined.
  • Amino acids and proteins possess positive and negative charges which cause their separation.
  • Electrophoresis is the movement of electrically charged particles.
  • The electrical charge of molecules is investigated by biochemists.
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Вопрос задал(а): Анонимный пользователь, 10 Ноябрь 2020 в 00:20
На вопрос ответил(а): Анастасия Степанова, 10 Ноябрь 2020 в 00:20

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Why is an electrical charge of molecules an important property for biochemical studies?
The electrical charge of molecules is thoroughly investigated by biochemists.
The purity of a protein can be determined by electrophoresis.
Amino acids and proteins possess positive and negative charges.
Different rate of molecules migration toward positively of negatively charged poles causes their separation.

Вопрос № 303618

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Why is an electrical charge of molecules an important property for biochemical studies?
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The weight of a protein can be determined.
Many fundamental particles of matter have the property of electric charge.
Amino acids and proteins possess positive and negative charges which cause their separation.

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Вопрос № 229947

Определите основную идею текста
The term protein was originated from the Greek word meaning .holding first place..
High percentages of protein are found in organs with a low water content.
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