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Essays 511 - 540

Characteristics of Bladder Cancer Cells

as either low-stage (superficial) or high-stage (muscle invasive). In industrialized countries (the US, Canada, France), more than...

Canada's Federal Penitentiaries and Searching Visitors, Cells, and Inmates

Ron Wiebe (2000) flatly states that the major security problem that prisons face is "contraband control and the management of drug...

How Potassium and Calcium Function in the Human Body

The writer discusses the various functions of calcium and potassium in the body and also how disruption of homeostasis in regards ...

Single Cell Protein Success

the initial capital investments are quite high and, once established, high-quality technical expertise and support facilities are ...

Microbiologist Study of Cells and Various Techniques

methods of studying cell and cell structures, for microbiologists, are generally reliant on microscopes. Obviously, the cell canno...

Gram Positive Bacteria and Microbiology: Gram-Positive Bacteria Cells

in that in gram-negative bacteria, "the peptidoglycan is simple in structure and comparatively uniform throughout most genera" whi...

Argument in Favor of Stem Cell Research Legalization

Where the governmentally funded research companies are now stalled while the debate rages, privatized groups sponsored by large co...

Cellular Function and Biological Techniques

on illumination to create contrast. Contrast formation is defined by the ratio between light and dark, and light microscopy often...

British Scientist John Frederic Daniell's Life and Work

only due to contacts, but also dui to the reputation he had already been establishing for himself. Daniell had been conduc...

Science That Changed the World

intracellular structures such as chloroplasts and mitochondria. It was not until the second half of the 19th century that "a nucl...

Defense of Stem Cell Research

how the cells are obtained. Abortion clinics have been sources in the past, but it is much more convenient for researchers to cre...

Stem Cell Research and Cloning Issues

puts it as three to five times more significant than pain felt at a later stage of development (Strickler). From twenty weeks on, ...

'Supermolecular Machine' Cell

viruses more successful and therefore more dangerous from the point of view of the hosts. As Rybicki (2001) notes, viruses ...

Unique Characteristics of Stem Cells

will be a group of about thirty cells (NIH, 2004). This is the inner mass and these cells will then develop the many highly speci...

Book Review of Franklin Harold's The Way of the Cell:

organism in nature exists. While it is simple to say that the biological "riddle" of life, the understanding of cellular biology,...

Overview of Catecholamine Secretion

an enzyme that is important in the conversion of norepinephrine to epinephrine and quite possibly the conversion of noradrenergic ...

Hydrogen Fuel as a Renewable Energy Source

studies and analyses of the subject that prove quite the contrary (Renewable Energy Benefits). In fact, the added benefits of usi...

Marketing the Harley Hydrogen Cycle

Currently there is no commercially-produced motorcycle operating on hydrogen fuel. After years of trial and error, however, there...

Sarcomere Contraction

filaments and the thick myosin filaments allow the actin filaments to be drawn inwards so that the myosin filaments shorten the wh...

Anemia

name can be traced to an ancient Greek word that translates to mean "without blood". The term "anemia", however, encompasses a va...

Expanding SunPower to Brazil and United Arab Emirates

potential new markets. Two markets which have been identified as potentially viable are Brazil and the United Arab Emirates. The f...

Stem Cell Research

destruction of blastocysts formed from laboratory-fertilized human eggs. For those who believe that life begins at conception, the...

Stem Cell Research and Organ Transplantation

though the use of morphine in these amounts would ultimately result in my uncles death, in reality there were few other options th...

Sickle Cell Disorders

circulation problems (Bennett, 2005). When oxygenated properly, the cells may return to the normal round shape, unless they are al...

The Politics and Economics of Stem Cell Utilization

fetal stem cells raises the ethical problems surrounding abortion. This presented a scenario where politicians found themselves p...

Moral Analysis & Stance

through experiments with mice; they specifically worked to correct the gene that prevents the growth of tumors (Aldhous, 2006). Sc...

In Favor of Stem Cell Research

cell research "burst on the scientific scene in November of 1998 when researchers first reported the isolation of human embryonic ...

Stem Cell Research Policy in New Jersey

and diabetes may even be cured through this type of research. Often, scientists stumble on remedies while just exploring general i...

Stem Cell Research Ethics

cells, go through some other stages until they reach a stage where it is possible to pick up a stem cell with a pipette, a very s...

IT Staffing in Public Schools

70 "percent of teachers claimed to use computers daily" (Beattie, 2000). The problem that many teachers face is that not only mus...