BIOL 1002 : Bio Test 3 Notes
Document Summary
Differentiated cells contribute to 3 tissue systems: ground tissue: neither dermal nor vascular, 3 functions , collenchyma. Cells with unevenly thickened walls-allows structures to flex. Aid support without constricting growth: sclerenchyma. Hardness to nutshells and the gritty texture to pears: thick secondary cell wall. Some of the hardest biological substances: parenchyma. Perform most metalbolic function on plant: photosynthesis, food stage, secretion and syntheses. Primary growth in shoots: lengthens shoots from tips, apical meristem produces the same 3 primary meristems as in roots, protoderm, develop in epidermis, 2 levels. Mesophyll is located in the middle: guard cells protect stoma, rubisco. Fixes carbon: ground meristem, dicot cells. Ring made of vascular bundles: paracama. Metabolic activity in plant: sparacama, monocot cells. Scattered vascular bundle: procrambium, develop in vascular bundal, veins in leaves. Wood is vascular tissue increase in mass by cell division and cell expansion: a second lateral meristem develops from the cortex, the cork cambium. Makes cork cells that replace the epidermis.
