THE answer is <span> cell, organism and tissue</span>
Explanation:
i can't understand please translate it to english language
There are two<span> main </span>types<span> of chemical </span>bonds that hold atoms together<span>: covalent and ionic/electrovalent </span>bonds<span>. </span>Atoms<span> that share electrons in a chemical </span>bond<span> have covalent </span>bonds. An oxygen molecule (O2<span>) is a good example of a molecule with a covalent </span>bond<span>.
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centrioles are only found in animal cells the two functions are :
- cell division
- microtubule organizing center
and also they are many more :D
Answer:
the discoveries, events and people that continue to affect the history ... The extremely infectious disease was class-blind, killing rich and ... that a few cells remaining in Petri dishes could be used as biological weaponry. ... smallpox, a disease that had now been killing unhindered for at least 2,800 years.
Explanation: