"*Answer:71%* *Reference:* PTB Bio(Pg#17-->Table 2.1) The question is `What is" – StudyNinja MDCAT 🥼, May 28, 2025

*Answer:71%* *Reference:* PTB Bio(Pg#17-->Table 2.1) The question is `What is the percentage of inorganic species by cell weight in a bacterial cell?` The term *species* is used to describe various chemical entities including molecules, ions, radicals, etc. The percentage of *water*(an inorganic compound i.e, inorganic specie) is *70%* while that of *inorganic ions*(Na+ , K+ , Ca++ , Mg++, Cl-, SO4-, etc) is *1%*. So, `the percentage of inorganic species by cell weight in a bacterial cell is 71%.` On the other hand, other chemical components like proteins, carbohydrates, lipids, DNA and RNA all are *organic* in nature.

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