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Thermodynamics and Cell Shapes
Why are protoplasts (cells devoid of cell wall) spherical? Why are most of the unicellular organisms (prokaryotes and eukaryotes) spherical? A sphere is a form which provides maximum surface area for absorption and interaction. In this form a cell remains at the lowest possible energy. In tissues, cells acquire different fops like polygonal, rectangular, irregular etc. Here the concern is to accommodate maximum number of cells in minimum area, so that complete functions are being taken care of.
Q. In 1665 Robert Hooke, an English scientist, published his book Micrographia, in which he explained that pieces of cork viewed under the microscope presented small cavities simil
Q. On which type of Basis you classify the plants? Linnaeus mainly employed the characters of stamens and carpels and that is why the system is called as Sexual system of class
define stds give 5 examples of stds give signs, symptoms, treatment and prevention of each example
The excretion by the human kidneys 1. Descending limb of Loop of Henle is impermeable to water 2. Distal convoluted tubule is incapable of reabsorbing HCO3 3. Nearly 99 p
Q Comparing toxicity and the need for dilution in water how different are the uricotelic and ureotelic excretions? What are some examples of animals that present these respective t
Q. Explain about Genetic Diversity? Genetic diversity is the "fundamental currency of diversity" that is responsible for variation. This is the diversity of basic units of here
What are the types of evaluation of lateral earth forces acting on retaining structures? This section seeks to introduce you to the evaluation of lateral earth forces acting on
A red blood cell has an internal salt concentration of 150mM. The cell is placed in a beaker of 500mM salt. (a) Assuming that the cell membrane is permeable to water but not to
The biomass available for consumption by the herbivores and the decomposers is called : 1. Net primary productivity 2. Secondary productivity 3. Standing crop 4. Gross
what is the mode of nutrition in fungi?
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