Aerobic respiration<span>, a process that uses oxygen, and </span>anaerobic respiration, a process thatdoesn't<span> use oxygen, are two forms of cellular respiration. Although some cells may engage in just one type of respiration, most cells use both types, depending on an organism's needs. Cellular respiration also occurs outside of macro-organisms, as chemical processes — for example, in fermentation. In general, respiration is used to eliminate waste products and generate energy.</span>
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The answer is A
The development of the cell theory involved different ideas from different scientist.
To support my answer it was created to Matthias and Theodor,however, there were like many other scientists like Rudolf contributed to the theory.
I hope that's help:0
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Your answer is RNA.
Nucleic acid can be defined as the biopolymers which is known to be the most essential for all the life forms on the earth.
Nucleotides that are present in the nucleic acid are the monomers that is made up of 5 carbon sugar, nitogenous base, phosphate group.
If the sugar is ribose sugar then it is known as Ribonucleic acid. They are found in all the living components as the genetic material that transfers the information from parents to their children.
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Because Precambrian rocks are in short supply, hence fossil evidence is harder to find.they only discovers sections of some Precambrian rocks there were no bones or shells to be permineralized.
