Kendra watches a television commercial for a new alternative medicine. she is interested in the medicine, but she is unsure if it will really work. which of the following would give reliable evidence of the medicine's properties? a: testimony of well-respected medical professionals supporting the medicine's abilities b: the fact that the company owns several multi-million dollar research facilities c: testimony of many users that the medicine really works d: many experimental trials with results that support the claims

The answer would be D because without research how would you know if the product works

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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a- all cells come from pre-existing cells