Each year, smoking causes more than 250,000 deaths from cardiovascular disease—far more than it causes from cancer and lung disease. a. true b. false

organisms that are both used in toothpaste as well as cause malaria are protista and monera.

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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