Membrane Transport Chapter 11. Transcellular transport of glucose.

Slides:

Advertisements

Similar presentations

Outline Neuronal excitability Nature of neuronal electrical signals Convey information over distances Convey information to other cells via synapses Signals.

Advertisements

SYNAPSES AND DRUGS.

Membrane Transport III Chapter 11. Selectivity of a K + channel.

Neurones Dendrites Axon Facilitated diffusion Schwann cells Active transport Myelin Na + /K + pump Synapse.

Active Transport with the Sodium Potassium Pump. Review Amphipathic molecules: – Hydrophobic region and hydrophilic region Example: Phospholipids and.

Skeletal Muscle Gross muscle Plasma membrane Neuromuscular junction Action potential.

Lecture 5: Membrane transport

Review For Final I. Should I take the final? Can’t hurt you Calculate your average and determine what you need to change your grade.

Lecture 3 BIO 344. Hydrophobic amino acids in green and yellow.

Lecture 5: Membrane Transport and Electrical Properties.

Lecture 4 BIO 344 Chapter 10 and 11.

Neurons & Neuroanatomy What are the characteristics of neurons important for Cognitive Neuroscience? What is the brain structure important for CogNeuro?

Fluid Mosaic Model of the Cell Membrane. Function of the Cell Membrane All living cells exist in a aqueous medium The contents of cells are physically.

Nervous systems. Keywords (reading p ) Nervous system functions Structure of a neuron Sensory, motor, inter- neurons Membrane potential Sodium.

Synaptic Signaling & The Action Potential

Physiology of The Nerve Week 4 Dr. Walid Daoud A. Professor.

Nervous System.

Nervous System & Neurons

Neurons, Synapses, and Signaling

The Nervous System Neuron –Cell body; Dendrites; Axon Three general groups of neurons –Sensory neurons (afferent or receptor) Receive the initial stimulus.

Unit 1 Opener neuro4e-unit-01-opener.jpg.

Nervous System IB Biology. Nervous System In order to survive and reproduce an organism must respond rapidly and appropriately to environmental stimuli.

1 Membrane Potentials (Polarity) Information found in 2 places: –Chapter 3 - pp –Chapter 9 - pp /22/12 MDufilho.

Cell Membranes.

Nervous System Reflexes and Action Potential How do cells detect and respond to changes in their internal and external environment to successfully survive.

End Show Slide 1 of 38 Copyright Pearson Prentice Hall 35-2 The Nervous System.

Nerve Impulses.

Informational meeting for Beta Beta Beta (TriBeta), the National Biological Honor Society When & Where? –At 6:00 pm in 215 Coker on Thursday, September.

Neuron Structure and Function. Nervous System  Nervous system is composed of specialized cells called neurons.  Neurons have long “arms” called axons.

Chapter 4 Transport of Substances Through Cell Membranes Dr. Marko Ljubković Department of Physiology 1.

Neurons. The human brain Thought experiment Scientist have discovered that the brain has about 83 billion neurons. How do they know?

Chapter 35-2 Nervous System.

AP Biology Nervous Systems Part 3. Synapse and Neurotransmitter.

Nervous System Endocrine and nervous systems cooperate to maintain homeostasis.

Membrane Protein Channels Potassium ions queuing up in the potassium channel Pumps: 1000 s -1 Channels: s -1.

AH BIOLOGY: CELLS AND PROTEINS- PPT 6 MEMBRANE PROTEINS: CHANNEL AND TRANSPORT PROTEINS.

Chapter 49 Table of Contents Section 1 Neurons and Nerve Impulses.

Alberts • Johnson • Lewis • Morgan • Raff • Roberts • Walter

CAMPBELL BIOLOGY IN FOCUS © 2014 Pearson Education, Inc. Urry Cain Wasserman Minorsky Jackson Reece Lecture Presentations by Kathleen Fitzpatrick and Nicole.

Chapter 28 Nervous system. NERVOUS SYSTEM STRUCTURE AND FUNCTION © 2012 Pearson Education, Inc.

Resting Membrane Potential

Nervous System: Central Nervous System:

CHAPTER 48 NERVOUS SYSTEMS.

3.E.2 Nervous System Animals have nervous systems that detect external and internal signals, transmit and integrate information, and produce responses.

Neurons, Synapses and Signaling

LECTURE 15 NEUROMUSCULAR JUNCTION

Animal Cell Chromatin.

Nervous System Chapter 48.

Neurons, Signals, Synapses

Ionic Generation of Electrical Signals

Synaptic Signaling & The Action Potential

6.5 Neurons and Synapses Understanding:

Nervous System.

Ionic Generation of Electrical Signals

Nerve Impulses.

Animal Cell Chromatin.

Neurons and Synapses Topic 6.5.

Chapter 49 Table of Contents Section 1 Neurons and Nerve Impulses.

Neuron Physiology.

AP Biology Nervous Systems Part 3.

AH Biology: cells and proteins- PPT 6

Animals have nervous systems that detect external and internal signals, transmit and integrate information, and produce responses. Neurons.

Animals have nervous systems that detect external and internal signals, transmit and integrate information, and produce responses. Neurons.

AP Biology Nervous Systems Part 3.

Neurons and Nervous Systems

AP Biology Nervous Systems Part 3.

Animal Cell Cell Membrane.

Action Potential.

Presentation transcript:

Membrane Transport Chapter 11

Transcellular transport of glucose

The Na + - K + pump is an ATPase

Response of red blood cells to changes in osmolarity of extra cellular fluids

Distribution of phospholipids and glycolipids in the lipid bilayer of human red blood cells

Few Ions are required to cause a large change in membrane potential

Electrochemical gradient vs. membrane potential Can work additively or against each other

Selectivity of a K + channel

Ion Channels fluctuate between closed and open conformations

Gating of K + channel

Gating of Ion Channels

A Typical Vertebrate Neuron

Ball and Chain Model of Rapid inactivation of ion channel

Changes in Na + channels and the action potential

Myelination

Schwann cells and myelination of axons

Patch Clamp Recording

Patch Clamp Measurements of single voltage gated Na + channel 3 experiments on the same patch cumulative of 144 experiments

Resting Chemical Synapse

Active Chemical Synapse

Neuromuscular Junction in a Frog

Three Conformations of Acetyl Choline receptor at the neuromuscular junction

DVD Clip 49

Ion Channels at Neuromuscular Junction

Motor Neuron Cell body in the Spinal Chord

thousands of axon terminals are stained red by antibody that recognizes a protein in synaptic vesicles