Extracts taken from plant stem cells protect human skin stem cells from ultraviolet radiation, enhance healthy cell reproduction, and also help in reversing the effects of aging. Which statement supports the use of plant stem cells in manufacturing cosmetic products for the human skin?

One function of the poly-a tail on eukaryotic mrna sequences is to the mrna be transported from the nucleus to the cytoplasm. prokaryotic mrna also has a poly-a tail. choose the best explanation of the prokaryotic poly-a tail. a. prokaryotic poly-a tails are composed of a different molecular structure compared with eukaryotic poly-a tails. b. prokaryotic poly-a tails have the same functions as eukaryotic poly-a tails, because this process is highly conserved throughout different species. c. prokaryotic poly-a tails aren't important, because prokaryotes don't have nuclei. d. prokaryotic poly-a tails have other functions,because prokaryotes don't have nuclei.

Which component in a graph indicates an independent factor? a. y-axis b. x-axis c. scale

This is a scaffolding of protein fibers that us sell keep it shape in a cell division and cell movement