The principal sources of organic compounds are as follows- 1. Petroleum and coaltar Methane, octane, kerosene, and a mixture of various hydrocarbons...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your tough...
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...
Rice is one of the most important crop species in the world and is the staple food for more than half of the global population23. Rice yield and other agronomic traits are of concern to scientists. In the process of breeding, whether the process of functional leaves turning from green to ...
we call them chemical bonds. The three main types of chemical bonds are metallic, ionic and ___bonds. A. atomic B. covalent C. covalence D. molecular 答案:covalent According to chemical composition, materials are usually classified as metals, ___, polymers and ___. A. alloys B. ceramics...
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4.(Chemistry) of, relating to, or belonging to the class of chemical compounds that are formed from carbon:an organic compound. Compareinorganic2 5.constitutional in the structure of something; fundamental; integral 6.of or characterized by the coordination of integral parts; organized ...
What organic compounds are present in the cell that aren't one of the four main groups (lipids, nucleic acids, amino acids, and carbohydrates)? Which of the four macromolecules contain nitrogen? Which organic molecule below is most closely related to lipids? a. amino acids b. CH_2 ...
Manure generally maintains easily decomposed organic matters and nutrient contents, while highly recalcitrant aromatic compounds are found in manure-derived biochar (Dinesh et al., 1998, Zornoza et al., 2016). This leads to a trade-off between more complete decomposition and mineralization and the ...
1.Usedtomakethestealthaircraftmaterialabsorbingmicrowavefunctions,Thestructureofitsmaincomponentsisthepicture,whichbelongsto()A.inorganicb.hydrocarbonC.macromolecularcompoundsd.organics2.Ofthefollowingfourreactionequations,themostinvolvedare()A.c.h4+Cl2CH3Cl+HClB.C,H2=CH2+Br2C.+3h2D.c.h3cooh+ch3ch2h5+...
aAdding organic matter, usually through compost and composting manures, are the main sources of soil fertility. These organic materials provide food to earthworms, beneficial bacteria and micro-organisms in the soil. All these creatures, seen and unseen, break soil down into compounds and nutrients...