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69Cell Communication and Signal Transduction Pathways
The cells, unicellular or multicellular, respond to changes in the environment. In multicellular organisms, cells communicate with the neighboring cell in order to coordinate the functions of the system and...
0 comments69Various Processes of Genetic Recombination in Bacteria
Following are the three processes by which genetic recombination can occur in bacteria. Transformation: There is no contact between the donor cell and the recipient cell. It is the random picking of DNA...
1 comment63The Important Steps in the Cell Cycle
A rising level of G1 cyelins signals the cell to prepare the chromosomes for replication. A rising level of S-phase promoting factor (SPF) prepares the cell to enter S-.phase and duplicate its DNA (and its...
2 comments60How do we scale up the Protein Purification Process
When the protein purification protocol forms the part of an industrial process for the production of industrially important or pharmaceutically important protein such as vaccines, hormones, etc., the...
0 comments72Maintaining Internal Environment
The extremes of environmental conditions upset the internal environment of cells and organisms, which can severely damage their system and performance or even life. There is only a very narrow range of...
0 comments69CELL CYCLE
A eukaryotic cell undergoes alternate phases of division and non-division. The sequences of events occurring from the completion of one division to the next division form one cell cycle. The stage, or the...
0 comments69Regulation of Water Balance in cells and organisms
Water is a very important element of life. There is a constant and steady loss of water from the body in different ways. For example, transpiration and excretion can reduce the water content of the body...
0 comments69Know the Pedigree Analysis of Humans
Humans are unique among organisms in many ways. But one way, which is near and dear to a geneticist's heart, is that humans are not susceptible to genetic experimentation. In practice, we humans actually...
1 comment68Cell Division
Cell division is an integral part of the process of reproduction, growth, and repair of the body. During cell division, genetic material is distributed among the daughter cells. This is the important...
0 comments67Extraction & Purification of Proteins
Biochemists investigate proteins at different levels. At the simplest level they carry out qualitative chemical tests to find out if samples of material contain protein of any sort. At the other extreme...
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