题库> 逻辑 CR> CR-01lpej

题目选项分析

The chemical adenosine is released by brain cells when those cells are active. Adenosine then binds to more and more sites on cells in certain areas of the brain, as the total amount released gradually increases during wakefulness. During sleep, the number of sites to which adenosine is bound decreases. Some researchers have hypothesized that it is the cumulative binding of adenosine to a large number of sites that causes the onset of sleep.

Which of the following, if true, provides the most support for the researchers' hypothesis?

【选项】Even after long periods of sleep when adenosine is at its lowest concentration in the brain, the number of brain cells bound with adenosine remains very large.

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题目基本信息

  • 所属科目:逻辑CR
  • 题目来源1:OG19-语文分册-155
  • 题目来源2:OG20-语文分册-166
难度: 难