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Unformatted text preview: BIOL120 Winter 2007 Plant Homework #1 Due March 19, 2008 at the beginning of class 1. Which of the following cell types are ground tissue cells that would you expect to find reinforcing a rapidly growing & expanding stem? a. Parenchyma b. Collenchyma c. Sclerenchyma d. Tracheids e. Guard cells 2. Why can grass leaves grow back after mowing while eudicot weed leaves cannot? a. Grasses have lateral meristems b. Eudicots lack apical meristems c. Eudicots lack leaf primordia d. Grasses have intercalary meristems 3. What will happen to a tap root that loses its tip (from the zone of maturation all the way through the root cap)? (More than one possible answer) a. The tap root will lose its ability to absorb water & nutrients b. The pericycle will become active to form a lateral root that can absorb water & nutrients c. The endodermis will become active to form a lateral root that can absorb water & nutrients...
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- Winter '08