Essays

DNA Replication and Protein Synthesis

In side the nuclear membrane is the nucleoplasm. The nucleoplasm consists of two main substances, which are nucleic acids and proteins. There are two nucleic acids, which are ribonucleic acid (RNA) and deoxyribonucleic acid (DNA). RNA translates the genetic code …

    Obligate intracellular pathogenesis

    Obligate intracellular bacterial pathogens are also called as Obligate Parasitism , are living and replicate extremely inside the host cells with out extracellular state , Their genome usually small is around ( 0.5 -2 MB ) . They are widely …

      Fragments using restriction enzymes

      Lambda is a virus, it is able to express some of its genes by taking over the bacterial cell that it infects. In this investigation, I was observing the effects of three restriction enzymes on Lambda DNA, such as EcoRI, …

        Collaboration between children

        Outline ways in which psychologists have studied peer collaboration between children. Discuss the implications of this research for psychological theory and educational practice. Introduction The main way in which peer collaboration in children at school has been studied is through the use …

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          Influencing children’s development

          Light et al (1987) used a computer based program of the towers of Hanoi. This involved rings being moved from one peg to another. The groups were same sex pairs or individuals. The results were unexpected and showed that in …

            Listeria monocytogenes pathogenicity mutants

            Listeria monocytogenes is a facultative intracellular pathogen. This project aimed to produce strains that were defective for intracellular growth by mutagenising a culture with ultra violet light and nitrosoguanidine. Intracellular mutants were selected for using a method of ampicillin enrichment. …

              Mutagenised cells

              Auxotrophic mutants may be defective for intracellular growth however none seem to have been isolated, a point mentioned by Sun et al. A study by Marquis et al (1993) investigated whether there was a difference in intracellular growth in auxotrophic …

                PPL Therapeutics

                Perhaps the most famous part of the Sistine Chapel ceiling is called “The Creation of Man,” where God and Adam sail through the clouds with arms outstretched, the tips of their index fingers just barely touching. Standing in Rome beneath …

                  Current biotechnology research

                  “I’m fairly ambivalent. I’m not sure it’s going to be a horrible situation,” Smith says of the possibility of human cloning. “For one thing, I can’t imagine it will be that popular. I doubt it’s a thing most people are …

                    Life crises

                    One could probably say that development is one of the main aspects in a human being’s life. Therefore a child’s cognitive and psychological development is crucial from early days to late adult life. Among the first psychologists, Jean Piaget’s (1896-1980), Rathus …

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