【答案】consistsof【核心词汇】molecule 分子;atom 原子【翻译】一个水分子由两个氢原子和一个氧原子组成。【解析】本题考查同义词组转换。根据句意,一个水分子由两个氢原子和一个氧原子组成。makeupof 由...组成,consistof 由...组成,因为主语是A moleculeofwater 一个水分子,所以谓语动词要用第三人称单数形...
根据句意“一个水分子是由两个氢原子和一个氧原子组成的”,“由...组成”可译为bemadeupof,也可译为consistof,consistof 不用于被动语态,根据原句中的is可知应用一般现在时态,主语A moleculeofwater是单数形式,故谓语动词应用第三人称单数形式,故填consistsof。 反馈 ...
Glucose is a polar molecule due to its multiple hydroxyl groups, which create polar bonds. The polarity of glucose plays a essential role in biological processes such as energy metabolism.
Why do cells of the body store glucose as glycogen and not glucose? Why is cellular respiration essential to life? Why is glucose a necessary fuel in the human body and what organs or cell types rely most heavily on glucose? a. Most human tissues cannot use glucose as a...
Is glucose a pure substance? Pure Substances: Matter can be divided into two different categories: pure substances and mixtures. If the matter has just one type of element or one type of molecule, it is a pure substance. If matter has more than one atom and/or molecule, then it is a ...
In its open-chain form, the glucose molecule has an open (as opposed to cyclic)unbranched backbone of six carbon atoms, where C-1 is part of an aldehyde group H(C=O)−. Therefore, glucose is also classified as an aldose, or an aldohexose. ...
Classical scattering of an atom from an asymmetric molecule Using the methods of classical mechanics, we have calculated the cross sections for inelastic scattering of an atom 4He, in collisions with a diatomic rigid rotator HT. The molecule has an asymmetric mass distribution, and as a consequen...
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No abstract is available for this article.doi:10.1002/scin.2014.186009005BETH MOLEJohn Wiley & Sons, LtdScience News
(D-glucose) is biologically active.The mirror-image of the D-glucose ,L-glucose, cannot be used by cells.In solutions, the open-chain form of glucose (either 'D-' or 'L-') exists in equilibrium with several cyclic isomers, each containing a ring of carbons closed by one oxygen atom....