Which of the following cell types are used in phloem?
A. Vessel elements-short, wide cells
B. Sieve-tube members-alive at maturity
C. Tracheids-hollow, tube like cells
D. Lignin-cells dead at maturity

How are tumors cells different from normal cells

If water were a non polar molecule, how would its properties be different ? a.) water would be a much lighter molecule b.) water would be able to climb up inside plants c.)water would not be able to form hydrogen bonds d.) water would stick together much more strongly

Which example would the nurse consider to be a part of systems thinking theory?