BIOL4100: NEURONAL MEMBRANE AT REST EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED
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Module
BIOL4100
Institution
BIOL4100
BIOL4100: NEURONAL MEMBRANE AT REST EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED
Action Potential
A neural impulse; a brief electrical charge that travels down an axon
Resting Membrane Potential
The electrical charge of a neuron when it is not active
Cations of Importance
Na+, ...
BIOL4100: NEURONAL MEMBRANE AT REST EXAM QUESTIONS
AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED
Action Potential
A neural impulse; a brief electrical charge that travels down an axon
Resting Membrane Potential
The electrical charge of a neuron when it is not active
Cations of Importance
Na+, K+, Ca2+
Anion of Importance
Cl-
Neuronal Membrane
The barrier that separates the inside of a nerve cell from the outside; consists of a
phospholipid bilayer with proteins embedded in it
Phospholipid Bilayer
A double layer of phospholipids that makes up plasma and organelle membrane
Hydrophilic Compounds
Dissolve in water due to uneven electrical charge
Hydrophobic Compounds
Do not dissolve in water due to even electrical charge
Lipids are
Hydrophobic
Lipids Contribute To
, Resting and action potentials
Neuronal Proteins
Differentiate neurons from other cells
Composition of Molecules Assembled from Amino Acids
Enzymes, cytoskeleton, and receptors
Special Transmembrane Proteins
Control resting and action potentials
Protein Structure
Amino acid
Amino Acid Structure
A carboxyl group, amine group, and R group
Peptide Bonds
Connect amino acids forming chains
Polypeptides
Proteins comprised of a single chain of amino acids
4 Levels of Structure
Primary, secondary, tertiary, quaternary
Primary Structure
Sequence of amino acids in a polypeptide
Secondary Structure
Coiling of polypeptides into an alpha helix or beta pleated sheet
Tertiary Structure
3d folding of polypeptide
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