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My text book says
The problem of respiration is a matter of difficulty in the soil which is saline, water logged and rich in putrefying organic bodies-hence poor in oxygen. This problem is solved in many plants like Rhizophora sp. by pneumatophores...
Again Wikipedia says
Pneumatophores
These specialized aerial roots enable plants to breathe air in habitats that have waterlogged soil... The surface of these roots are covered with lenticels which take up air into spongy tissue which in turn uses osmotic pathways to spread oxygen throughout the plant as needed.
Gaseous exchange generally occurs through stomata and does not involve the roots. Why then does the nature of soil affects the respiration in halophytes?
The problem of respiration is a matter of difficulty in the soil which is saline, water logged and rich in putrefying organic bodies-hence poor in oxygen. This problem is solved in many plants like Rhizophora sp. by pneumatophores...
Again Wikipedia says
Pneumatophores
These specialized aerial roots enable plants to breathe air in habitats that have waterlogged soil... The surface of these roots are covered with lenticels which take up air into spongy tissue which in turn uses osmotic pathways to spread oxygen throughout the plant as needed.
Gaseous exchange generally occurs through stomata and does not involve the roots. Why then does the nature of soil affects the respiration in halophytes?
What is taxonomy?
Define climbing root. Give examples
How does schlerenchyma provide mechanical support to plants?
Why is vascular cambium considered a secondary meristem when it arises from procambium of apical meristem and not from primary permanent tissue ?
What are quantasomes actually?
This is what I know about quantasomes:
Quantasomes are structures formed of protein and lipid found in the membrane of thylakoid. It exhibits paracrystalline arrangement. It contains the photosystem and electron transport components that mediate the light dependent reaction of photosynthesis.
The composition of Quantasome is not clear to me. I would like to know more about the structure.
This is what I know about quantasomes:
Quantasomes are structures formed of protein and lipid found in the membrane of thylakoid. It exhibits paracrystalline arrangement. It contains the photosystem and electron transport components that mediate the light dependent reaction of photosynthesis.
The composition of Quantasome is not clear to me. I would like to know more about the structure.
Which problem can NOT be answered by experiment?
a. Does a certain drug kill the AIDS virus?
b. Do ultraviolet rays cause skin cancer?
c. Which wavelength of light has the most energy?
d. Did continental drift cause the extinction of the megalodon?
a. Does a certain drug kill the AIDS virus?
b. Do ultraviolet rays cause skin cancer?
c. Which wavelength of light has the most energy?
d. Did continental drift cause the extinction of the megalodon?
interpret the dangers of breathing in exhausts of fossil fuels
Many biochemical processes influence the complexity and structural organization of an organism . Explain in twenty five words why this do not go against the first and second law of thermodynamics.
what are some of the ethical and social issues of ultra sound scanning in detail please
