You observe a cell under the microscope that contains the following structures: nucleus, vacuole(s), mitochondria,
lysosomes, and centrioles. the cell you are looking at is most likely a(n).
cell.

you are looking at the cell of a animal because plant cells have chlorophyll

Explanation:

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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answer; ///(b) it is composed of four protein chains and four heme groups;