Bio 123 Exam 1 (Elaborated Questions And Answers) Latest

mesophyll {Ans: The ground tissue of a leaf, sandwiched between the upper and lower epidermis and specialized for photosynthesis.}Phloem {Ans: Complex tissue, conducts sugar in solution}In many woody dicots, the functional xylem is composed of.... {Ans: Dead cells, vessel elements, very thin tubes}Epidermis {Ans: Waxy cuticle reduces water loss Stomata permits gas exchange (between shoot system and atmosphere) Trichomes (outgrowths or hairs)}What are the two parts of the dermal tissue system? {Ans: Epidermis Periderm}Sugar Translocation {Ans: Dissolved sugar is trans located upward or downward in phloem (usually from leaf to roots)}