Glucose and amino acids move in or out of a cell by passive diffusion facilitated diffusion active transport endocytosis and exocytosis

Prior to the development of dna fingerprinting, blood type could be used to determine possible parentage. although it might prove someone was not a parent, it could not show if someone was positively the parent, only that he or she might be a parent. which of the following is a true statement that can be made about parentage based on blood typing?

Blood has traveled from the heart to the toes. which describes the next step of the circulation process?

What element is able to combine with itself and hydrogen to form large molecules ?