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The top documents tagged [specific signal molecule]
Cells and Their Environment Objectives: 1. Relate concentration gradients, diffusion, and equilibrium. 2.Describe the importance of ion channels in passive
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Section 4-1 1 way cells maintain homeostasis is controlling movement of substances across cell membrane Cells must use energy to transport some substances
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1 Cell-Cell Interactions Chapter 7. 2 Outline Cell Signaling Receptor Proteins – Intracellular Receptors – Cell Surface Receptors Initiating the Intracellular
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Cells and Their Environment Ch. 4 Biology. Membrane Structure Phospholipid Bilayer 2 layers of phospholipids Proteins Transport Receptors Cholesterol
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Active Transport Section 4-2. Some substances are transported against a concentration gradient. Facilitated diffusion moves sugars and amino acids across
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Bell Ringer ____H 2 O ____Na 2+. Cell Membrane Fluid Mosaic Model Cell membrane is thought to be both fluid and a mosaic of phospholipids, proteins and
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