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>
D. An element donates an electron to another element.
<span>1. The investigator should use fluorescent fingerprint powder, so that the prints will be visible on the dark surface when a special kind of light is used.
2. A possible cause of death would be asphyxia, and is one of the most common causes of death that involve murder and violence.
3. C. thin layer chromatography and Infrared spectrometry
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The cell theory consists of:
1. all living organisms are made up of cells
2. cells are the basic structural/organizational unit of all organisms
3. all cells come from pre-existing cells
Answer:
Destruction of habitats, Introduction of non-native species, pollutions, and the over harvesting of species.