BIO311C 1nd Edition Lecture 18 Outline of Last Lecture More diffusion Outline of Current Lecture Channels Current LectureFreely diffuse molecules –O2, CO2, and steroids Other passive diffusion –channels Concentration gradient of charged particles –electrical gradient Proton gradient-phosphorylation of ADP to ATP Ions –carry change and give a very fast response LigandGated ion channel A small liquid binds to protein, change shape, other molecules can pass through Voltage ionsOpens in response to receptors Closes as soon as the molecules pass through Light-gated ion channels Channels that work with light Cells in our eyes are light-gated which is why we can’t see in the dark Proton pumpsAgainst concentration gradient These notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.They are ancestralEnergy
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