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Consider a simple spherical model cell that consists of cytoplasm and a plasma membrane.
The cell's initial volume is 2 nL and contains 0.2 M protein. The cell is placed in a large volume of 0.05 M CaCl2. Neither Ca++ nor Cl- can cross the plasma membrane and enter the cell. Are the 0.05 M CaCl2 solutions hypotonic, isotonic or hypertonic relative to the osmolarity inside the cell? Describe what happens to the mathematically cell as it achieves equilibrium in this new environment. What will be the final osmolarity of the cell? What will be its final volume?
What is the hydrogen ion concentration of stomach acid pH=1.6?
Self Help Group: The first and perhaps the most influential of substance abuse rehabilitation is Self Help Group. The self help programme was founded in 1935 by two men, Dr. B
Carbomedics Valve : Almost similar to StJude Medical valve, his is a low profile bileaflet valve made of pyrolitic carbon. On echo cardiography four small jets of regurg
After the pollination how does fecundation occur in angiosperms? In these plants is fecundation dependent on water? After the pollination one of the sperm nuclei from the polle
how chlorophyll is degaded in plants?
In developing countries because of poor compliance, poverty, ignorance, primary and secondary prevention strategies are difficult to implement properly. Also in western countries (
How is energy transferred along a food chain? The energy flux beside a food chain is always unidirectional, from the producers to the decomposers.
In mammalian body, this element plays numerous important roles. Try to identify this element with the fewest number of clues. This element is needed to insure the integrity and per
what is r and k selection
Restriction endonucleases are enzymes which: 1. make cuts at specific positions within the DNA molecule 2. recognize a specific nucleotide sequence for binding of DNA ligase
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