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Chapter 2 delves into the molecular composition of plant cells, focusing on the chemical elements and various metabolites. It distinguishes between primary metabolites, which are universal in all plant cells, and secondary metabolites, which have limited distribution and are crucial for plant survival and reproduction. This chapter also discusses the synthesis and breakdown of essential macromolecules, including carbohydrates, lipids, and proteins, as well as the roles of amino groups, nucleic acids, alkaloids, terpenoids, and phenolics in plant biology.
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Chapter 2 The Molecular Composition of Plant Cells
Metabolites • Primary Metabolites- molecules found in all plant cells. • Secondary Metabolites- molecules restricted in their distribution, both within the plant and among different plants; important for survival and propagation.
Proteins Acid group Amino group