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Вопрос № 190680 - Английский язык

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Why is investigation of hormones important for scientists?
Варианты ответов
  • Hormones are considered to be regulators of metabolism.
  • Hormones are investigated at three levels.
  • The structures of most hormones are determined.
  • Hormones may act in different ways.
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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 № 223386

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Medical technology will have conquered many diseases. Today, there are electronic devices that connect directly to the brain to help people heat. By 2050, we will be able to help blind and deaf people to see and hear again.
Scientists will have discovered clones of animals. By 2050, scientists will be able to produce clones of people, and decide how they look, how they behave and how much intelligence they have. Scientists will be able to do these things – but should they?
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What have scientists already produced?
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They have produced the clones of robots.
They have produced the clones of people.
They have produced the clones of animals.

Вопрос № 305557

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What do all the scientists connect ‘biosphere’ with?
They associate it with meteorology.
They include the creation of artificial biosphere in it.
They connect it with geology.
They consider it to be an integral part of life.

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Вопрос № 190681

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Why are disulfide bonds of great importance for protein structure?
Disulfide bond occurs when a hydrogen atom is removed from the mercapto group of the cysteine.
The structure of cystine includes two cysteine molecules linked by disulfide bond.
The amount of free sylfhydryl groups in proteins is great.
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Вопрос № 190682

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Why was gas considered to be an inefficient chemical weapon during World War I?
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Its production was rather expensive.
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There were effective protective measures against it.

Вопрос № 190683

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What is a vital role of proteins?
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Вопрос № 190684

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Why are biochemical techniques regarded as fundamental in the development of new drugs?
Biochemical methods are applied for observing stages in food processing.
Many specialised and sophisticated methods have been introduced for analysis of different blood constituents.
Biochemical advances in the knowledge of the action of hormones facilitated the development of specific drugs.
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