Biology F211

Stem Cell

• Undifferentiated cell
• Capable of becoming differentiated to a number of possible cell types
• Totipotent

Differentiation

• The development and changes seen in cells
• As they mature to form specialised cells

Note- specification requires mention of production of eurythrocytes (RBC) and neutrophils derived from stem cells in bone marrow, and production of xylem vessels and phloem sieve tubes from cambium.

Transpiration

• The loss of water vapour
• 
• from the aerial parts of a plant
• due to evaporation