What is the role of the molecule above in dna cloning? a. to carry the foreign dna into the host cell b. to identify the source of dna as foreign c. to identify the host cell that has taken up the gene of interest d. to make the foreign dna susceptible to digestion with enzymes

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. by using fur or clothes to trap heat energy near the body