Transmembrane:
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spanning the lipid bilayer.
2 major classes of cell surface receptors
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1) G-protein coupled receptors
2) Receptor Kinase
Centralization:
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the clustering of nerve cells into a central location that allow for the ability
to peform more complex, coordinated behaviors.
Cross-bridge:
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the binding of the head of a myosin molecule to actin at a specific site
between the myosin and actin filaments.
Afferent nerve:
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nerve that transmits information about the internal and external
environment to the central nervous system; consists mainly of sensory
neurons.
Binding affinity:
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the tightness of the binding between a receptor and the signaling
molecule.
,Interneuron:
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a neuron that processes information received by sensory neurons and
transmits it to motor neurons in different body regions.
Neuromuscular junciton:
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a chemical synapse formed by the contact between a motor neuron and a
muscle fiber.
Signal transduction:
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the process in which an extracellular molecule acts as a signal to activate a
receptor, which transmits information through the cytoplasm.
Receptor kinase:
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, a receptor that is an enzyme that adds a phosphate group to another
molecule.
Hyperpolarization:
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a change in a cell's membrane potential that makes it more negative.
Paracrine signaling:
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signaling by a molecule that travels a short distance to the nearest
neighboring cell to bind its receptor and deliver its message.
Cross-bridge cycle:
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repeated sequential interactions between myosin and actin filaments at
cross-bridges that cause a muscle fiber to contract.
Neurotransmitter:
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spanning the lipid bilayer.
2 major classes of cell surface receptors
Give this one a try later!
1) G-protein coupled receptors
2) Receptor Kinase
Centralization:
,Give this one a try later!
the clustering of nerve cells into a central location that allow for the ability
to peform more complex, coordinated behaviors.
Cross-bridge:
Give this one a try later!
the binding of the head of a myosin molecule to actin at a specific site
between the myosin and actin filaments.
Afferent nerve:
Give this one a try later!
nerve that transmits information about the internal and external
environment to the central nervous system; consists mainly of sensory
neurons.
Binding affinity:
Give this one a try later!
the tightness of the binding between a receptor and the signaling
molecule.
,Interneuron:
Give this one a try later!
a neuron that processes information received by sensory neurons and
transmits it to motor neurons in different body regions.
Neuromuscular junciton:
Give this one a try later!
a chemical synapse formed by the contact between a motor neuron and a
muscle fiber.
Signal transduction:
Give this one a try later!
the process in which an extracellular molecule acts as a signal to activate a
receptor, which transmits information through the cytoplasm.
Receptor kinase:
Give this one a try later!
, a receptor that is an enzyme that adds a phosphate group to another
molecule.
Hyperpolarization:
Give this one a try later!
a change in a cell's membrane potential that makes it more negative.
Paracrine signaling:
Give this one a try later!
signaling by a molecule that travels a short distance to the nearest
neighboring cell to bind its receptor and deliver its message.
Cross-bridge cycle:
Give this one a try later!
repeated sequential interactions between myosin and actin filaments at
cross-bridges that cause a muscle fiber to contract.
Neurotransmitter:
Give this one a try later!
