Please answer these questions sir or mam
The solutions to your question 9, 10, 11, and 15 have been provided below:
9. Hypotonic solution: Plant and animal cell will both imbibe water and water will flow inside them by endosmosis. If the solution is too dilute then the animal cell can burst as it does not have a cell wall while the plant cell membrane will be pressed against its cell wall.
Hypertonic solution: Plant and animal cells will lose water when in a hypertonic solution by exosmosis. The animal cell will shrink while the plant cell wall would remain intact but the cell membrane would shrink within it.
Isotonic solution: There will be no impact on either cell.
10. Osmosis is of importance to human beings in both the biological processes occurring in the body as well as day-to-day life. Osmosis also influences the distribution of nutrients and the release of metabolic waste products into and out of the body.11. Historical development of Cell theory:
In 1655, Robert Hooke discovered the concept of the cell by observing a piece of cork under a microscope.
In 1675, Antony Von Leuwenhoek observed living unicellular organisms in the water.
In 1824, Rene Dutrochet stated the first and most important milestone for cell theory, 'All plants and animals are made up of cells.
In 1831, Robert Brown observed a nucleus inside a cell.
In 1838, Theodore Schwann and Matthias Schleiden observed both plant and animal cells and stated the next part of cell theory 'The cell is the basic unit of structure for all living things.'
In 1858, Rudolf Virchow placed the last milestone of the theory ‘All cells arise from pre-existing cells.
15. Genes are responsible for the transfer of characters from one generation to another.
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