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reviewed Needs Improvement Deep diving in mammals
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reviewed Close What are the long-term negative effects of going without water/food for a period of time
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revised Question about equilibrium potential formula
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Feb
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revised Question about equilibrium potential formula
The Goldman-Hodgkin-Katz eqaution describes the reversal potential, which is usually not an equilibrium potential because none of the ions are in equilibrium
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answered What are gram negative and positive bacteria?
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revised Question about equilibrium potential formula
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answered Question about equilibrium potential formula
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reviewed Reviewed Do cold blooded animals generate any heat?
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reviewed Excellent How do multiple replication forks function without 'colliding', and what is the benefit of this method?
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reviewed Needs Improvement How does prolonged exposure to high frequency noise affect hearing?
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reviewed Satisfactory Conjugate secondary antibody
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reviewed Satisfactory Why Do Ruminants Require A Multi-Compartment Stomach To Digest Food?
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reviewed Needs Improvement How much gas is exchanged in one human breath?
Feb
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comment Extraretinal photoreception in mammals?
Possible duplicate: biology.stackexchange.com/q/700/72
Feb
5
comment Extraretinal photoreception in mammals?
-1. It is well-established that opsins are expressed widely, but their functions are not known. It hasn't been convincingly shown anywhere that human opsins confer light sensitivity to any cells other than those in the retina. The knee study you mentioned has been refuted (see my comment here: biology.stackexchange.com/a/704/72). Also, a point of nomenclature, photoreceptors are cells that are sensitive to light, and opsins are called photopigments when they are bound to a chromophore and are sensitive to light.