'Sodium potassium pump' presentation slideshows

Electrical Signaling

Electrical Signaling. Resting Membrane Potential Action Potential Post-Synaptic Potential. Signal Processing. Neurons send and receive receive electrical & chemical signals. Resting Membrane Potential. Difference in electrical charge across membrane when neuron is at rest.

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Chapter 8 Photosynthesis

Chapter 8 Photosynthesis. 8-1 Energy and Life 8-2 Photosynthesis: An Overview 8-3 The Reactions of Photosynthesis. 8-1 Energy and Life. Key Concepts : Where do plants get the energy they need to produce food? What is the role of ATP in cellular activities? Vocabulary: Autotroph

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Cells and Their Environment

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The Nervous System: Organization and Tissues

The Nervous System: Organization and Tissues. Chapter 11. Functions of the Nervous System. Organization of the Nervous System. Histology of the Nervous System. Neuroglial cells Neurons. Neuroglial Cells of the Central Nervous System. Neuroglial Cells of the Peripheral Nervous System.

579 views • 37 slides

Understanding Homeostasis at the Cellular Level

Understanding Homeostasis at the Cellular Level. Transportation of Materials Across the Cell Membrane. The Cell Membrane. Outside of cell. Carbohydrate chains. Proteins. Cell membrane. Inside of cell (cytoplasm). Protein channel. Lipid bilayer. Cell or Plasma Membrane.

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Membranes and Transport

Membranes and Transport. (Keeping the in in and the out out). Lipid Aggregation. Like dissolves like Polar part interacts with water Head groups Cholines, phosphates, serines etc Nonpolar parts stay away from water Fatty acid tails Form micelles or bilayers. Lipid Structures In water.

576 views • 28 slides

Cell Membranes Osmosis and Diffusion

Cell Membranes Osmosis and Diffusion. Functions of Membranes. 1. Protect cell 2. Control incoming and outgoing substances 3. Maintain ion concentrations of various substances 4. Selectively permeable - allows some molecules in, others are kept out. Phospholipid Bilayer.

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Passive and Active Transport

Outcomes: Identify the factors which influence the rate and direction of diffusion. Identify how osmosis is related to diffusion and the value of osmosis to living organisms. Examine the mechanisms of active transport by identifying and explaining the two processes.

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Cell Membrane & Passive Transport

Cell Membrane & Passive Transport. Diffusion Facilitated Diffusion Osmosis. I. The Cell Membrane. Also known as a Plasma Membrane. Semi-permeable membrane (picket fence) Made of : two layers of phospholipids. Proteins Carbohydrates cholesterol. Cell Membrane. Characteristics :

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Bio& 241 Unit 1 / Lecture 2

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Objective 4

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Active Transport

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How to make a ZOMBIE!

How to make a ZOMBIE!. I Want Your Brain. A Zombie. WARNING: Do Not Attempt this at home without adult supervision. The Background. Human muscles are controlled by neurons (nerve cells) called axons . An Axon. Nerve Impulses.

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How to make a ZOMBIE!

How to make a ZOMBIE!. I Want Your Brain. A Zombie. WARNING: Do Not Attempt this at home without adult supervision. The Background. Human muscles are controlled by neurons (nerve cells) called axons . An Axon. Nerve Impulses.

257 views • 11 slides

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Energy and Life

227 views • 9 slides

Cellular Transport

Cellular Transport. Passive Transport ( No Energy Required ) 1. Diffusion 2. Osmosis 3. Facilitated Diffusion Active Transport (Energy Required ) 1. Sodium Potassium Pump 2. Endocytosis 3. Exocytosis.

319 views • 9 slides