Living organisms are composed of killions of organic compounds each having a unique structure what element

Carbon

Explanation:

Carbon has the ability to form a wide range of compounds. It has four valence electrons and thus can form single, double and triple bonds. It also has a tendency to bond with itself, forming long chains or cyclic structures. These bonding capabilities allow for many different combinations, resulting in the possibility of multiple unique compounds.

For example, a 4 carbon compound with hydrogens attached peripherally can still have 3 alternatives; it can be an alkane, an alkene or an alkyne, due to the fact that carbon can form different types of bonds.

the right answer is a. skin cells forming from sunlight.

the liver is an organ endowed with a fantastic ability to regenerate

. thus, if a hepatectomy (ablation) of 70% of the hepatic mass is performed in the rat, there is complete recovery in 7 to 10 days.

prokaryotes are beings that have existed since the existence of life on earth, and do not come from another realm.

ribosomes are organelles that exist naturally in eukaryotes, either in free form or attached to the endoplasmic reticulum.

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