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Lecture

Lecture Highlights-Chapter 6.docx

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Department
Biology
Course
CAS BI 108
Professor
Francis Monette
Semester
Spring

Description
Lecture Highlights: Chapter 6 • Water diffuses passively through membranes via: 1. Lipid Bilayer (simple diffusion) 2. Aquaporins (facilitated diffusion) • Channel proteins are gated and change shape in order to open. The stimulus for this can be a molecule (ligand-gated) or electrical charge (voltage-gated). It’s also important to note that the channel protein has a binding site for the regulator, not for what passes through • Carrier proteins also contain a ligand-binding site.An example of this is the glucose transporter. • Primary active transport requires ATP binding directly • Secondary active transport utilizes the gradient generated by primary Lecture Highlights: Chapter 6 How do cells interact with other cells?
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