Tag: notes
All the articles with the tag "notes".
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Describe how active transport takes place across the plasma membrane in plants
The plant plasma membrane ATPase is a transmembrane protein. The enzyme exists in two conformations differing in catalytic & transport properties
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Define stomatal frequency & stomatal index. Make a chart of macronutrients & micronutrients with function
Stomatal frequency is the number of stomata per unit area. Stomatal index is the ratio of a number of stomata to the total number of cells per unit area.
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Discuss why photorespiration is called "necessary evil"
Since photosynthesis has been evolving for millennia, it might be expected that the development of the machinery of carbon dioxide assimilation may have reached a stage perfection
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Describe electron transport pathway through photosystem I & photosystem II with suitable diagram
The transfer of electrons from H2O to NADPH is mediated by two separate photochemical reactions through two sets of pigment molecules
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Define Osmosis, Field capacity, Morphogenesis, Vernalisation, Overall Senescence
Osmosis is a special case of diffusion that lead to the movement of water from a region of higher concentration to a region of lower concentration,
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Write short note on 'Regulation of kidney function'
Kidney function is regulated by renin angiotensin system. When the afferent arterial blood pressure is low, the stretch sensitive receptors of the arteriole
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Write short note on 'Factors responsible for deaths due to heat'
Degeneration of proteins, Thermal inactivation of enzymes, Inadequate oxygen supply, Temperature effects on membrane structure
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Write short note on 'Modes of respiration in animals'
The four basic categories of animal gas exchange mechanisms are diffusion through the body surface, gills, lungs & trachea
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Write short note on 'Effect of gastric hormones'
Gastric hormones are secreted from the stomach known as gastrin. They stimulates gastric secretion motility, Promotes growth of gastric mucosa
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Nature & functions of Estrogens in mammals. Formation & secretion of amino acid based hormones with diagram
The nature of estrogens is steroid. Function of estrogens to promote tissue growth. Formation & secretion of amino acid based hormones