- Life Sciences
the directional growth of a plant in response to light.
double-membraned, pigmented, cytoplasmic organelles found in plant cells. The organelles have...
hollow tubular vascular tissue cells, strengthened with lignin that conducts water and mineral...
a relatively small, similar building block of larger molecules (polymers).
outgrowths of neurons (nerve cells) that transmit nerve impulses towards the cell body.