Plant and bacterial cell membranes are surrounded by a thick cell wall. Bacterial cell wall The bacterial cell is enclosed within a wall that differs chemically from the cell wall of plants. The cell wall contains a rigid framework of polysaccharide chain cross linked with short peptide chains and its outer surface is coated with … Read more Cell Wall
“Biotechnology” emerged as a result of integration of biological science wit technology. It is the application of scientific and engineering principles to the processing of materials by biological agents to provide goods and services. Processes such as baking, brewing and cheese making have been in use for many years and were developed long before man … Read more Production of Micro & Macro molecules
Of the several photosynthetic pigments, only chlorophyll-a can convert light into chemical energy. However this does not mean that light absorbed by the other pigments is waste. On the other hand, the light absorbed by the other pigments is transferred to chlorophyll-a . This transfer may be direct or as it happens more usually, some … Read more Light trap in photosynthesis
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