<span> Cell Walls – Bacteria (prokaryotes of the domain Eubactera) have cell walls that contain the molecule peptidoglycan. No other type of organism has a cell wall containing this molecule. Prokaryotes in the domain Archea have cell walls, but they are made of materials other than peptidoglycan. Eukaytotic animal cells do not have cell walls. Eukaryotic plants and fungi have cells walls, made of cellulose and chitin, respectively. </span>
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The reason why scientits works in gropua is because to share there hyposthiese and to see if others thinks likes them and if not then they decsions why or why not. Working in groups makes them stronger as a team to creat nww things and ideas.
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When the food reaches the small intestine .... it was absorbed by the villi present in it ! after absorption it reaches the blood where the food(glucose) mixes with plasma and reaches to different organ....there the food via capillaries and then via lymph reaches the cell and thus there further oxidation takes place.
so that was the path !!!