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Question: Which of the following organic compounds are used to manufacture steroid hormones in the body? A. Polysaccharides B. Glucose C. Cholesterol D. Protein Hormones: Hormones are the chemical messengers in the body that are produced...
Of the following which one is classified as polyester polymer? 02:22 Which of the following structures represents neoprene polymers? 02:01 Struchures of some common polymers are given. Which one is not correct... 03:44 The straight chain polymer is formed by 03:32 Which of the following st...
百度试题 题目 Among all the following parameters for organic compounds, which one has the biggest value in most cases? A.BOD5B.BODuC.CODCrD.CODMn 相关知识点: 试题来源: 解析 C 反馈 收藏
Vitamins Vitamins are organic compounds which are present in certain foods and are essential to the health of men and other animals. (46) Without these substances, the breakdown and absorption of foods could not occur. Certain vitamins participate in the formation of blood cells, hormones, nervous...
D. The galactic clouds are the places where prebiological E. volution of compounds necessary to life occurred. 相关知识点: 试题来源: 解析 A 正确答案:A 解析:细节题。根据“Hoyle and Wickramasinghe”定位至文章第三段After I offeredmy hypothesis,Hoyle and Wickramashinghe argued that molecules of ...
aThey are developed to mimic the numbing effects which can give the merciful relief from pains 他们被开发仿造可能给仁慈的安心从痛苦的numbing作用[translate] aThey are organic compounds which exist in nature 他们是存在本质上的有机化合物[translate]...
10 Which of the following is correct about hydrocarbon?Antara berikut yang manakah betul rentang hidrokarbon? D A Hydrocarbons are soluble in water.Hidrokarbon larut dalam air. B All organic compounds are hydrocarbons.Semua sebutian organik adalah hidrokarbon.C Hydrocarbons are saturated organic ...
Which of the following compounds can exist as pairs of cis--trans pair, and indicate the geometry of each isomer. (a)CH3CH=CH2 (b)(CH3)2C=CHCH3 (c)CH3CH2CH=CHCH3 (d)(CH3)2C=C(CH3)CH2CH3 (e)ClCH=CHCl (f)BrCH=CHCl
【题文】 Carbon is a chemical element which is present in organic compounds that make us organisms, plants as well as fossil. It is a vital component of the greenhouse gas CO2, the highest percentage of the global warming gas in the atmosphere. These Green House Gases (GIIGs) along with...