Examlex
Distinguish between mutualistic and parasitic relationships.
Fibroblast Cells
A type of cell found in connective tissue that produces collagen and other fibers, playing a crucial role in wound healing and tissue repair.
Growth Factors
A group of more than 50 extracellular peptides that signal certain cells to grow and divide.
Choanoflagellates
Collared flagellate protists; opisthokonts closely related to animals.
Signal Transduction Pathways
Systems of molecules in a cell that work together to transmit signals from the cell's surface to its interior, triggering a response.
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