; The glycocalyx is highly hydrophilic and attracts large amounts of water to the surface of the cell. Thus, the membrane surfaces that face the interior and exterior of the cell are hydrophilic. Key Areas Covered. Signal transduction: When the hormone binds to its receptor, it causes a change in … Biology Forums - Study Force is the leading provider of online homework help for college and high school students. Denoting the property of attracting or associating with water molecules, possessed by polar radicals or ions, as opposed to hydrophobic (2). Subject. What are Hydrophobic Molecules – Definition, Properties, and Examples 2. Hydro means water and phile means loving. 36. Hydrophilic definition is - of, relating to, or having a strong affinity for water. Total Cards. ... has both a hydrophilic region and hydrophobic region: Term. ; This type of protein has a hydrophilic region or regions, and one or several mildly hydrophobic regions. Hydrophilic hormones typically bind to receptors on the cell surface, whereas hydrophobic hormones can pass through the plasma membrane and bind to a receptor inside the cell. AP Biology - Chapter 7. Such associations are vital for the structure of the components of microorganisms . Level. 1. Therefore, hydrophilic substances should be polar in order to dissolve in water. The main difference between hydrophobic and hydrophilic molecules is that hydrophobic molecules are nonpolar whereas hydrophilic molecules are polar. Subject: Biology, Chemistry. Learn vocabulary, terms, and more with flashcards, games, and other study tools. See more. Hydrophilic definition, having a strong affinity for water. Description. 1. Start studying Hydrophobic & hydrophilic. 11th Grade. 11/16/2009. Definition. Audience: High School. How to use hydrophilic in a sentence. Membrane Structure and Function. Biology. Get homework help and answers to your toughest questions in biology, chemistry, physics, math, calculus, engineering, accounting, English, writing help, business, humanities, and more. These molecules must have a charge (positive or negative) in order to interact with water, which is polar . Meaning and definition of hydrophilic : Having an affinity for water. And a cell’s structure is completely based on it. Source for information on Hydrophobic and Hydrophilic: World of Microbiology and Immunology dictionary. For the term hydrophilic may also exist other definitions and meanings, the meaning and definition indicated above are indicative not be used for medical and legal or special purposes. Hydrophilic molecules are molecules that can dissolve in water. Nonpolar molecules that repel the water molecules are said to be hydrophobic; molecules forming ionic or a hydrogen bond with the water molecule are said to be hydrophilic. 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