VIRAL INFECTIONS: THE TRUE WHYS AND WHAT NOWS It all started with a little tickling in my throat. I forged ahead, knowing all too well what that feeling meant, I was getting sick. I convinced myself to just not think about it and it would just go away. This whole time there...

In the 1940's the attention of geneticists was surprisingly focused on the Escherichia coli, colon bacterium. E. coli offered many advantages such as genetically being simpler, they are easily broken open and bacterial cells have little internal structure. For the fact that the E. coli popul...

Title: Exercise Seven – Plaque Assay for Determination of Phage Titre Introduction: One of the most numerous microorganisms known to man is viruses and these acellular agents can infect all types of cellular organisms. Viruses are considered infectious elements that contain a single type o...

Virus Essay A virus is a strand of hereditary material coated by protein. They are too small to be seen by a light microscope and can take many shapes and forms. They can also do many different things. Viruses have neither a cell membrane nor nucleus or any other organelles. Viruses are ...

Biology Assignment Frederick Griffith is a scientist that was trying to discover a vaccine for pneumonia. The reason for his experiment was to see if injections of heat killed virulent bacteria would kill the mice. He found that the mixture of live non-virulent bacteria and heat-killed bacteria...

The retinoblastoma families of proteins are key cell cycle regulatory molecules important for the differentiation of various mammalian cell types. The retinoblastoma protein (RB) regulates transcription of a variety of genes either by blocking the activation domain of various activators or by active...

Genes, which are carried on chromosomes, are the basic physical and functional units of heredity. Genes are specific sequences of bases that encode instructions on how to make proteins. Although genes get a lot of attention, it's the proteins that perform most life functions and even make up the ma...

Scientific researchers use animal experimentation for biomedical and veterinary research to enhance human health and possibly the welfare of other animals. They claim that successful medical treatments including antibiotics, vaccines and other drugs have been developed with the aid of animal experim...

Genetic engineering, genetic modification, and genetic manipulation are terms that mean the same thing: the reshuffling of genes usually from one species to another; existing examples include: from fish to tomato or from human to pig. Today genetic engineered products are mixed in our foods and on t...

Genetic Research Genetic engineering is the directed alteration of genetic material by intervention in genetic processes (Webster's 9th New Collegiate Dictionary). Genetic engineering is a controversial subject. Some people think that it is necessary while others think that it is harmf...

The idea of using technology to interfere with the reproductive process provokes excitement and fear. While DNA can be modified through natural processes it can also be modified by humans. For this to occur the DNA is first extracted from cells. Probes are small, radioactively labeled sequences of D...

Today, scientists are discovering new solutions for better feed, seed and food products by gaining through the scientific innovations in biotechnology, which is concerned with the forms of industrial production that use micro-organisms and biological processes. Genetic engineering, appeared as a new...

Abstract In this investigation gel-electrophoresis is used in determining a killer's identity. DNA found under the victim's fingernails is compared to two possible suspects. The results ruled out Suspect 2 and victim himself. The bands from Suspect 1 matched the evidence taken from th...

Introduction: DNA, Deoxyribonucleic acid, is a double stranded, helical nucleic acid molecule which determines inherited structure of a protein. The "steps" are made of bases: adenine, guanine, cytosine, and thymine. The sides are su...