The barley plant has seven pairs of chromosomes. the genetic possibilities from independent assortment of a single gamete are , and of a zygote made from two barley parents are . nextreset

128 and the second one is something like 16,000

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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the answer is c) an oak tree