explain why there are fewer ethical issues that arise from the use of adult stem cells or cord blood stem cells than the use of embryonic stem cells (please help xx)

Which class of organic compounds makes up the channels and pumps that move materials from one side of the cell membrane to the other? a.) carbohydrates b.) lipids c.) proteins d.) nucleic acids

Which type of neuroglia is found outside of the brain?

How do diseases caused by bacteria and diseases caused by viruses react to antibiotics?