The strongest component of the cell wall<span> is a carbohydrate called cellulose, a polymer of glucose. The </span>cell wall gives rigidity<span> and strength to the </span>plant cells<span> which offers protection against mechanical stress. ... The </span>rigidity<span> of primary </span>plant<span> tissues is due to turgor pressure and not from rigid </span>cell walls<span>.</span>
1. During intense exercise, where the energy output required from the cell exceeds the supply of glucose from the blood.
2. In an ischemic event, where perfusion is either disrupted through a clot, hemorrhage or systemic hypotension.
Answer:
A light pole
Explanation:
A light pole does not contain any areas in which an organism could inhabit
A hydrothermal vent contain many bacterias which can survive under those conditions, similar to an abandoned mine
The Kowloon Walled City can be considered an ecosystem only because within the City there may be many areas in which an organism could inhabit
