海南离岛免税政策调整
百度 此次展出的30多幅近作都是在泥金纸上创作的，《太湖春色》、《溪山绿秀》、《山谷鸣泉》等作品充分展示了作者国画的笔法、书法的神韵、诗的意境和中西合璧的艺术理念，堪为珍品。
The study of the normal function of living organisms and their anatomical parts and the means by which their normal functioning is achieved.
9 questions from the last 365 days
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Vasoconstriction affecting blood pressure [closed]
In the human body, if a section of a blood vessel is constricted, does the blood pressure in the constricted section increase or decrease?
- 11
3
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1
answer
373
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How does the Donnan effect generate an electrical potential?
I've been trying to study the Donnan equilibrium, and so far everything is clear except this: everywhere I've looked says the Donnan equilibrium maintains electroneutrality in both compartments. Yet, ...
- 33
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What is the purpose of a hamster's tiny, seemingly useless tail?
I was thinking about why my hamster has this tiny, useless tail. Does anyone know its purpose? I was researching this and found that there tails can be tiny because it makes it easier for burrowing ...
- 31
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What is the difference between the linear integral and linear proportional-integral feedback model?
I am a student of Biology, and I was reading a paper called Dynamical Compensation in Physiologic Circuits by Karin et al. And I had a question regarding the content of the paper - it may be a basic ...
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C4 Pathway of Dark reaction
I am stuck at understanding of role of malate in c4 pathway. Please help me with this.
The specific question I want to know is-
Why malate is preferred as a transported molecule from mesophyll to ...
- 17
1
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1
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83
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Blood Pressure and Compliance
Need some insight into the relationship between blood pressure and arterial compliance(Change in Volume/Change in Pressure). Most text books suggest that systolic blood pressure has an inverse ...
- 43
1
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1
answer
119
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Why does only 97% Oxygen transport occur as oxyhemoglobin?
I learnt that 97% oxygen is transported as oxyhemoglobin where as 3% is transported in the dissolved state through plasma. Moreover I've also seen that in the Oxygen Haemoglobin dissociation curve, ...
1
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importance of pigments involved in photosynthesis [closed]
How do the accessory pigments(chl-b and carotenoids) help in during the process of photosynthesis? Can I please get a detailed explanation about it. I know that it helps in increasing the efficiency ...
- 19
4
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1
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Acid-base balance in plants
Question: How do plants extrude excess acid/alkali, at the level of the whole organism?
I have no expertise in botany at all. I come from a medical background and sought to find a similar treatment of ...
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