Question

What are macromolecules? Give examples.

   What are macromolecules? Give examples.

NCERT Class 11 - Biology

NCERT Class 11 - Biology

M. Siraj Anwar,…

Chapter 9, Problem 1

Instant Answer

Solved by Expert Asma Venkitta

06/20/2021

Step 1

Macromolecules are large molecules, or biomolecules, that are formed by the polymerization of a large number of smaller molecules, known as micromolecules. \[ \text{Macromolecules} = \text{Polymerization} (\text{Micromolecules}) \] Show more…

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Key Concepts

Lipids

Lipids are a diverse group of macromolecules that are primarily hydrophobic, meaning they do not mix well with water. They include fats, oils, waxes, and sterols, and function in energy storage, insulation, and forming cellular membranes, where they help maintain the integrity and functionality of cells.

Nucleic Acids

Nucleic acids, such as DNA and RNA, are macromolecules that store, transmit, and help translate genetic information. They are composed of nucleotide subunits that encode the instructions required for the growth, development, and functioning of living organisms, serving as the blueprint for protein synthesis.

Carbohydrates

Carbohydrates are macromolecules that include sugars, starches, and fibers, organized into simple or complex forms. They primarily serve as energy sources and structural components in cells, providing both fuel for cellular processes and building materials for cell walls and membranes in plants and other organisms.

Macromolecules

Macromolecules are large, complex molecules that are fundamental components of all living organisms. They are typically comprised of thousands or more atoms and play critical roles in cellular structure, function, and metabolism. These molecules are usually built up from smaller subunits and include a variety of biological substances found in cells.

Proteins

Proteins are macromolecules that consist of amino acid chains folded into unique three-dimensional shapes. They perform a vast array of functions including catalyzing biochemical reactions as enzymes, providing structural support, and regulating cellular processes. Their diversity in structure and function is essential for almost every biological activity.

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