Structure And Function Of Macromolecules Pdf

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Students should be able to explain and apply core concepts of macromolecular structure and function, including the nature of biological macromolecules, their interaction with water, the relationship between structure and function, and frequently encountered mechanisms for regulating their function. The learning goals below are categorized as introductory A , intermediate B and upper C. Macromolecules are made up of basic molecular units. They include the proteins polymers of amino acids , nucleic acids polymers of nucleotides , carbohydrates polymers of sugars and lipids with a variety of modular constituents. These processes may involve multi-protein complexes e.

Chapter 05 - The Structure and Function of Macromolecules

If you're seeing this message, it means we're having trouble loading external resources on our website. To log in and use all the features of Khan Academy, please enable JavaScript in your browser. Donate Login Sign up Search for courses, skills, and videos. Introduction to macromolecules. Dehydration synthesis or a condensation reaction.

Phytochemical Methods pp Cite as. The macromolecules of plants are distinguished from all other constituents by their high molecular weight. This may vary from 10, to over 1,,, whereas in other plant metabolites the molecular weight is rarely above 1, Chemical characterization in the first instance therefore depends on identifying these smaller units. Proteins, for example, are long chains of amino acids up to twenty different ones joined together through peptide —CO—NH— links.

3: Biological Macromolecules

NCBI Bookshelf. Opportunities in Biology. All biological functions depend on events that occur at the molecular level. These events are directed, modulated, or detected by complex biological machines, which are themselves large molecules or clusters of molecules. Included are proteins, nucleic acids, carbohydrates, lipids, and complexes of them. Many areas of biological science focus on the signals detected by these machines or the output from these machines.

Macromolecules – large biological molecules. ▫ Polymer – long molecule consisting of many similar building block linked by covalent bonds. ▫ Monomer.


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A macromolecule is a very large molecule , such as a protein. They are composed of thousands of covalently bonded atoms. Many macromolecules are the polymerization of smaller molecules called monomers. The most common macromolecules in biochemistry are biopolymers nucleic acids , proteins, and carbohydrates and large non-polymeric molecules such as lipids and macrocycles.

Structure and function

Nutrients are the molecules that living organisms require for survival and growth but that animals and plants cannot synthesize themselves. Animals obtain nutrients by consuming food, while plants pull nutrients from soil.

Biological Macromolecules are Machines

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