锉屑
发表于 2025-3-28 15:05:57
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Thymus
发表于 2025-3-28 19:43:01
Signal Transduction through cAMP and cGMPmplification enables an organism or cell to respond to a very faint signal such as a low blood hormone concentration. Adaptation prevents constant background stimulation, or excessive stimulation, of a pathway. The cAMP cascade system illustrates two different kinds of amplification: the first is ma
eczema
发表于 2025-3-29 02:14:48
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植物群
发表于 2025-3-29 06:40:03
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有毛就脱毛
发表于 2025-3-29 07:33:36
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GUILT
发表于 2025-3-29 13:07:45
Signal Transduction by the Adenylate Cyclase System factors requires efficient mechanisms for transmembrane signalling. By these mechanisms, the primary message, i.e., presence of a hormone or neurotransmitter at the outer surface of the plasma membrane, is translated into one or more second messages inside the cell. Formation of the intracellular m
Vasodilation
发表于 2025-3-29 18:08:55
Protein Phosphorylation/Dephosphorylation and Reversible Phosphoprotein Binding in Rhabdomeric Photo of photosensitive microvilli. The activation of the phototransduction mechanism causes this photoreceptor cell to depolarize, i.e., cation channels open in response to light. Recent progress in the biochemistry of invertebrate photoreceptors suggests that at least the molecular events leading to th
Hemiparesis
发表于 2025-3-29 20:41:34
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抗体
发表于 2025-3-30 01:32:26
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窒息
发表于 2025-3-30 08:06:28
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