La secția de primiri urgențe a unui spital este adusă o persoană care va fi supusă unei intervenţii chirurgicale. Este necesară și realizarea unei transfuzii cu o cantitate mică de sânge. Știind că donatorii posibili pentru această persoană au grupele de sânge O și A, precizați tipul de aglutinină (anticorp) caracteristică donatorului cu grupa sanguină A

The cretaceous period spanned the time interval between and 65 million years ago. 250 million 144 million 75 million 200 million

The pacific plate is an oceanic tectonic plate. how did a hot and the pacific plate interact to form the hawaiian islands?

18. determine whether each stateme blank space given. ach statement is true (t) or false (f). place your answer in the 8. when a cell is put into an isotonic solution, individual wat put into an isotonic solution, individual water molecules cannot move back and forth across the cell membrane. d. when a cell is put into a hypertonic solution, there is a net movement of water molecules across the cell membrane into the cell. c. when a cell is put into a hypotonic solution, there is a net movement of water molecules across the cell membrane out of the cell. d. the movement of any solvent across a semi-permeable membrane is called osmosis. e. carrier proteins have the ability to change shape and physically move molecules across the cell membrane. f. in facilitated diffusion, the concentration of the molecules to be moved across the cell membrane is higher inside the cell.