Identify the photoreceptors that mediate color vision, how they detect different
colors, and how they are disrupted to cause color blindness.
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Cones mediate the visual perception of color.
S cones>>>short wavelength>>>>BLUE
M cones>>> medium wavelength>>>> GREEN
L cones>>> long wavelength>>>> RED
Mutation or loss of cone opsins causes color blindness
Discuss how Photopigments are similar to GPCRs, and identify the intracellular
proteins and second messengers of this GPCR-type pathway.
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Have 7- transmembranes
G Proteins: Transducin
Effector Enzyme: PDE
(Phosphodiesterase)
Second Messenger: cGMP
Major components involved in the sensation of pain
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Nociceptors are bare endings of SANs.
In response to noxious stimuli, nociceptors initiate afferent action
potentials in SAN.
Processing by central synapses.
Motor response:
Activation (contraction) of flexor muscles to hurt limb.
Deactivation (relaxation) of the extensor muscles to the limb.
function of RAS in sensation
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responsible for interpretation of pain (awareness, alertness and arousal)
colors, and how they are disrupted to cause color blindness.
Give this one a try later!
Cones mediate the visual perception of color.
S cones>>>short wavelength>>>>BLUE
M cones>>> medium wavelength>>>> GREEN
L cones>>> long wavelength>>>> RED
Mutation or loss of cone opsins causes color blindness
Discuss how Photopigments are similar to GPCRs, and identify the intracellular
proteins and second messengers of this GPCR-type pathway.
, Give this one a try later!
Have 7- transmembranes
G Proteins: Transducin
Effector Enzyme: PDE
(Phosphodiesterase)
Second Messenger: cGMP
Major components involved in the sensation of pain
Give this one a try later!
Nociceptors are bare endings of SANs.
In response to noxious stimuli, nociceptors initiate afferent action
potentials in SAN.
Processing by central synapses.
Motor response:
Activation (contraction) of flexor muscles to hurt limb.
Deactivation (relaxation) of the extensor muscles to the limb.
function of RAS in sensation
Give this one a try later!
responsible for interpretation of pain (awareness, alertness and arousal)
