Some examples of biological activities
Write down some examples of biological activities in which osmosis plays a significant role?
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Hemolysis (or demolition of red blood cells) by access of water, the hydric regulation in plants and entrance of water in xylem of vascular plants are all examples of biological phenomena caused by the osmosis.
Excessive dilution of blood plasma causes, through osmosis, the entrance of too much water in red blood cells and then the demolition of these cells (or hemolysis). Osmosis is as well the main procedure for maintenance of the flaccid, plasmolytic states or turgid of plant cells. Osmosis is one of the forces which are responsible for the entrance of water in plant roots since root cells are hypertonic in contrast to soil.
Explain, how the respiration is performed by the larva of amphibians?
What do you mean by the term pathogenicity of Ascaris? Briefly describe it.
Write down the three distinct phases which precipitation shows.
Illustrate the relation between fecundation and the end of the meiotic process throughout oogenesis?
An oak tree cell with 14 chromosomes undergoes mitosis. How many daughter cells are formed, and what is the chromosome number in each cell? If the same cell had undergone meiosis, how many cells would have resulted, and what would have been the chromosome number in each?
How are bacteria categorized according to their requirement for oxygen?
Concerning the existence of nucleus what is the basic difference among animal and bacterial cells?
What do you mean by bursa of fabricius?
Why is it not correct to affirm that DNA self-reproduces?
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