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AP®︎/College Biology. Course: AP®︎/College Biology > Unit 2. Lesson 7: Mechanisms of transport: tonicity and osmoregulation ... isotonic, and hypertonic solutions (tonicity) Osmosis and tonicity. Water potential example. Mechanisms of transport: tonicity and osmoregulation. Science > AP®︎/College Biology > Cell structure and function ...
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Learn how cells take in or release large molecules by endocytosis, phagocytosis, and pinocytosis with Khan Academy's videos and exercises.
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But R could also represent the bulk of a much larger molecule, such as a protein. The letter R is used throughout biology and chemistry to simplify chemical structures and highlight the most important parts (often the functional groups!) of a molecule.
High school biology. NEW. High school chemistry. NEW. High school physics. NEW. Hands-on science activities. NEW. AP®︎/College Biology; AP®︎/College Chemistry; AP®︎/College Environmental Science; AP®︎/College Physics 1; See all Science; Computing; Intro to CS - Python. NEW. Computer programming;
Biology is the study of life. Skip to main content. If you're seeing this message, it means we're having trouble loading external resources on our website. If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked. Explore.
Lesson 2: Diffuziya və osmos. Diffuziya - Giriş. Konsentrasiya qradiyentləri. Osmos. Hipotonik, izotonik və hipertonik məhlullar (gərginlik) Diffuziya və osmos. Diffuziya, osmos və gərginlik.
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