Watch complete video answer for “The most abundant chemical in living organisms could be” of Biology Class 11th. Get FREE solutions to all questions from chapter BIOMOLECULES.
1. D.细节理解题.根据文章第二段 They provide trees with nutrients in exchange for their sugars, which contain carbon,可知真菌从树根中获得糖生长;故选D. 2. C.细节理解题.根据文章倒数第二段 When the scientists dated the carbon in the samples, they got a surprise: They found "young" carbon ...
The four most abundant elements in living organisms are: (a) carbon, nitrogen, oxygen, and calcium. (b) Carbon, nitrogen, potassium, and oxygen. (c) Sodium, nitrogen, carbon, and silicon. (d) Hydrogen, nitrogen, oxygen, and ca...
Chitin the second most abundant after cellulose biopolymer found in nature after, is produced by many living organisms, and is present usually in a co..K. PrabuE. Natarajan
All of the following are true of carbohydrates except: a. they are the structural elements in cell walls. b. they are only found in plants and bacteria. c. they make up larger compounds like fats and amino acids. d. they serve as...
aNormalizing Day Care 正常化日托[translate] aMost naturally occurring organic ligands are decomplsition products or byproducts of living organisms. There are several main types. 多数自然发生的有机ligands是decomplsition生物产品或副产物。 有几个主要类型。[translate]...
aPerhaps the most straight forward dependence of one species on another occurs with parasites, organisms that live on or live in other living things and derive nutrients directly from them. 或许一个种类最平直的向前依赖性对另发生与寄生生物,活或居住在其他生物并且直接地从他们获得营养素的有机体。[...
A monosaccharide is a type of carbohydrate molecule, also known as a sugar. Carbohydrates are organic molecules that are made of carbon, hydrogen and oxygen. They are needed as an energy source by living organisms. Plants make one important type of monosaccharide through the process of photosynthe...
It's the second most abundant substance in the universe. It dissolves more materials than any other solvent. It stores incredible amounts of energy. Life as we know it would not be possible without it. And although it covers more than 70% of the Earth's surface, many parts of the world...
What's great about citric acid is that it does all of this without harming the organisms that ingest it. It occurs naturally in all living things and is an important intermediate chemical in a metabolic pathway known as the citric acid cycle, or Krebs cycle. As a result, citric acid doesn...