BIOL 1002 : Biology 1002 Test 2
Document Summary
*****the underground body of a fungus is called mycelium****** The cells in these regions are meristem cells: meristem cells are undifferentiated (totipotent) embryonic cells. This means the cells have not become specialized. Once plants cells mature they become differentiated cells and usually don"t divide again. Plants growth is mainly two-dimensional (up and down) and as a result plants grow longer not wider. This is the result of the location of the meristem cells. Meristem cells are found at both ends of the plants. These cells at the root and shoot tips are the apical meristems. The growth that occurs at the apical meristem is called primary growth. Primary growth continues throughout the life of a plant and is responsible for the increase in height of a plant. The other location of meristem cells is the lateral meristem. The lateral meristem is found in ring like structures, one called the vascular cambium in dicots and conifers: vascular cambium.
