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Protein | Definition, Structure, & Classification | Britannica
https://www.britannica.com/science/protein
webMar 12, 2024 · Proteins provide many of the structural elements of a cell, and they help to bind cells together into tissues. Proteins, in the form of antibodies, protect animals from disease, and many hormones are proteins. Proteins control the activity of genes and regulate gene expression.
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Proteins and Polypeptides: basics, structures, properties
https://peptidesguide.com/proteins.html
webDec 25, 2023 · Proteins and Polypeptides. Proteins are organic compounds that contain four elements: nitrogen, carbon, hydrogen, and oxygen. To comprehend the full scope of proteins, it is crucial to understand various properties, including the basic biological molecule, peptides, polypeptide chains, amino acids, protein structures, and the …
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What are proteins and what do they do? - MedlinePlus
https://medlineplus.gov/genetics/understanding/howgeneswork/protein/
webMar 26, 2021 · Proteins are large, complex molecules that play many critical roles in the body. They do most of the work in cells and are required for the structure, function, and regulation of the body’s tissues and organs. Proteins are made up of hundreds or thousands of smaller units called amino acids, which are attached to one another in long chains.
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Introduction to proteins and amino acids - Khan Academy
https://www.khanacademy.org/science/biology/macromolecules/proteins-and-amino-acids/a/introduction-to-proteins-and-amino-acids
webProteins are among the most abundant organic molecules in living systems and are way more diverse in structure and function than other classes of macromolecules. A single cell can contain thousands of proteins, each with a unique function.
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The Nutrition Source - Harvard T.H. Chan School of Public Health
https://www.hsph.harvard.edu/nutritionsource/what-should-you-eat/protein/
webProtein is found throughout the body—in muscle, bone, skin, hair, and virtually every other body part or tissue. It makes up the enzymes that power many chemical reactions and the hemoglobin that carries oxygen in your blood. At least 10,000 different proteins make you what you are and keep you that way.
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Protein - Wikipedia
https://en.wikipedia.org/wiki/Protein
webProteins are large biomolecules and macromolecules that comprise one or more long chains of amino acid residues. Proteins perform a vast array of functions within organisms, including catalysing metabolic reactions, DNA replication, responding to stimuli, providing structure to cells and organisms, and transporting molecules from one location ...
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What Are Proteins? Protein Definition, Functions, Examples
https://sciencenotes.org/what-are-proteins/
webDec 13, 2017 · Proteins are a large class of biological molecules consisting of chains of amino acids called polypeptides. A single polypeptide can make a protein, although many proteins consists of multiple polypeptide subunits. PROTEIN FUNCTIONS. Proteins perform important functions in organisms.
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3.7: Proteins - Types and Functions of Proteins - Biology LibreTexts
https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/Book%3A_General_Biology_(Boundless)/03%3A_Biological_Macromolecules/3.07%3A_Proteins_-_Types_and_Functions_of_Proteins
webOct 31, 2023 · Proteins are essential for the main physiological processes of life and perform functions in every system of the human body. A protein’s shape determines its function. Proteins are composed of amino acid subunits that form polypeptide chains.
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Protein: What It Is, Types, Uses, Needs, Deficiency - Verywell …
https://www.verywellhealth.com/what-is-a-protein-5076292
webMar 21, 2024 · What Is a Protein? A Key Building-Block of Life. By Sheryl Huggins Salomon. Updated on March 21, 2024. Medically reviewed by Jason DelCollo, DO. Table of Contents. View All. What It Is. How It Works. Types and Uses. Dietary Sources. How to Get Enough in Your Diet. A protein is a large, complex molecule that is a key building block of life.
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High Protein Foods: 16 Foods for High Protein Meals - Healthline
https://www.healthline.com/nutrition/high-protein-foods
webOct 18, 2023 · Proteins are a large category of molecules that support cell structure, immune function, movement, chemical reactions, hormone synthesis, and more. They’re all made up of tiny building blocks...
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