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环境安全与绿色化学
7 The Basic Com...
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简答题
__________is the largest consumer of the world s freshwater resources.
A、 Industry
B、Service
C、 Agriculture
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简答题
The deficiency syndrome of____________ is abnormal bleeding A、vitamin A B、vitamin E C、vitamin K
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Fatty acid is a long chain hydrocarbon terminating in _________ group. A、aldehyde B、ester C、carboxylic acid
简答题
The deficiency syndrome of vitamin A is________. A、Weak bone B、Diminished hemoglobin C、Night blindness
简答题
Which of the following option is water soluble vitamin? A、Vitamin A B、Vitamin B C、vitamin E
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Monosaccharides are the monomers that link to form the biomolecular polymers called_______________. A、polysaccharides B、disaccharides C、lactoses.
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Minerals are ______ chemical A、inorganic B、organic C、 coordinate
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Carbohydrates are molecules of carbon, oxygen produced by plants though ___________. A、photothermal B、photoelectric C、 photosynthesis
简答题
There are______ kinds of food additives commonly used in the world A、4000 B、400 C、40
简答题
Which of the following option is not the process that the food we eat can be used by our bodies? A、Cellular respiration B、Cell apoptosis C、Metabolism
简答题
Which of the following option is not belong to the metabolism? A、Catabolism B、Redoxbolism C、Anabolism
简答题
A typical fat molecule is combination of one glycerol unit and ________fatty acid molecules. A、Two B、three C、Four
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Amino acid are linked together by ________ bonds. A、coordinate B、hydrogen C、 peptide
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Lipids are a broad class of_________. A、macromolecules B、 biomolecules C、 micromolecules
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Steroids contain ________ carbon rings. A、four B、five C、six
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More than ________ of the energy used globally is expended on food production and supply A、 one quarter B、One third C、 One fifth
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There are________ amino acid that are the building block of proteins. A、20 B、50 C、 200
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Vitamins are ________ chemical A、 inorganic B、organic C、coordinate
简答题
Which of the following option is polysacchoride? A、 Starch B、 Lactose C、 Sucorse
简答题
Glucose is a six-membered ring and fructose is a______ membered ring. A、six B、four C、 five
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There are no modern _________ industry without food additives A、fruit B、 vegetable C、 food
环境安全与绿色化学
章节列表
5 Urbanization,...
16
6 The Variety o...
49
7 The Basic Com...
22