Molecular biology of floral organogenesis
Essay - 4 pages - Biology
In the early 1990s, genetic studies on Arabidopsis thaliana and Antirrhinum majus led to the isolation and characterization of floral organ-identity genes (also called floral homeotic genes) and the establishment of the seminal ABC model for flower development. This model proposed that different...
Biotechnology of floral development
Essay - 8 pages - Biology
The understanding of floral development at a molecular level has proceeded at an unprecedented rate. Molecular genetic studies on two model plants, Antirrhinum and Arabidopsis in particular, have provided the foundation for this progress through the initial identification of genes involved in...
NASA
Essay - 4 pages - Physics
NASA began full operation on October 1, 1958, after the National Advisor Committee on Aeronautics was abolished. Getting a little head start, NASA inherited the committee's facilities, laboratories, and personnel and immediately set to work planning its future. According to a Twenty-Fifth...
NASA: Past, present and future
Essay - 11 pages - Physics
As with any industry, there have been many high and low points to the space programs. Many of the low points came as loss of both life and much money. These also came mostly in the beginning of the space programs when we were still unsure of many of the variables that space presents. Many good...
The molecular biology of apomixis
Essay - 6 pages - Biology
Apomixis is the subject of a number of recent reviews. Some authors have focused on the potential agronomic and economic benefits of apomixes. Others have discussed the developmental and genetic basis of apomixes or reviewed current theory regarding the evolutionary and ecological implications of...
Flower origin
Essay - 4 pages - Biology
Since the identity of floral organs is specified by conserved floral organ-identity genes, clarifying the phylogeny of these genes and their protein products may provide us with valuable insights into the evolution of flowers. Analysis of numerous MADS box genes from mosses and ferns suggested...
Physiology of Photoperiodism
Essay - 5 pages - Biology
Photoperiodism can be defined as the response to changes in day length that enables plants (or any other living organism) to adapt to seasonal changes in their environment. Except at the equator, the passage of the year is marked by a continuous but highly reproducible variation in the length of...
Genes regulating ovule development
Essay - 5 pages - Biology
Ovules are the precursors of seeds. More specifically, they are sporophyticstructures and the site of megagametogenesis or female gamete shape that culminates in the formation of the haploid embryo sac. The prototypical angiosperm ovule consists of three parts: (1) the nucellus, where...
Understanding children with Asperger's Syndrome through visual art
Essay - 5 pages - Medical studies
It is believed by many that art is one of the most basic ways that people communicate their inner feelings, thoughts and values with the world outside themselves. This is particularly true of children, who are often times painfully honest in expressing how they see themselves and others by...
Genetic engineering of plant cells
Essay - 5 pages - Biology
In this text, we shall see how selection data have been used to assist the design of experiments on the modification of plants using recombinant DNA (genetic engineering). It is evident that in some situations the potential of in vitro selection is limited by a number of difficulties. It is...
Conquering chronic illness: Treating the person as well as the disease
Essay - 6 pages - Medical studies
A chronic illness is an affliction in which many areas of life are affected. In the United States, nearly one third of the population experiences severe chronic pain at some point in life. It is currently the most common cause of long-term disability, partially or totally disabling upwards...
Improvement of plants via plant cell culture
Essay - 6 pages - Biology
The techniques of plant cell culture facilitate the rapid production of variant cell lines via selection procedures similar to those employed in microbial systems. These variant cell lines are useful in research into the genetics and biochemistry of plant cells and in biotechnology for production...
Sample resume: IT Project leader
Sample resume - 4 pages - Computer science
An innovative, results driven, motivated professional with extensive java/oracle technology experience. Excellent experience across the entire software development life cycle with a special focus on functional specifications, analysis and design along with a strong emphasis on clean room...
Sample resume: IT Project manager
Sample resume - 4 pages - Computer science
An innovative, solutions-oriented, motivated professional with demonstrated success in project management in a fast-paced, cutting-edge environment. Extensive experience nationally and internationally in analysis, needs assessment, implementation, training, RFP and documentation development....
Problems associated with unsupervised classification of high resolution imagery ( pictures included )
Essay - 6 pages - Physics
Early satellite systems with multispectral resolutions on the order of 20m (SPOT 1 - 4) or 30m (Landsat 4 - 7) have been able to obtain imagery of sufficient resolution to effectively classify areas with large contiguous areas of information classes, i.e. scenes of dense forest vegetation or...
Encryption: Security in the age of technology
Essay - 5 pages - Electronics, mechanics, engineering & technology
Encryption is a word that is associated with mystery and secrecy. For hundreds of years, it is tool that has been used to help protect information. Simply, it is a process that scrambles ordinary textual or written information into something that is illegible and difficult to read or decipher....
How does LSD work?
Essay - 9 pages - Medical studies
LSD is a highly potent hallucinogen which can profoundly alter consciousness. The exact causal mechanism of this drug is unknown, but much information about its effects on the brain has accumulated over the past few decades. Understanding the causal mechanism behind its action may have positive...
Oriental medicine: A healing method proven effective through the test of time
Essay - 5 pages - Medical studies
My sophomore year of high school was one of trials and tribulations, and contained a lot of extreme ups and downs. While some Western doctors might have diagnosed me differently, my acupuncturist, Lauri Doyle of San Luis Obispo, said I simply had a hormone imbalance which is very common in...
Sample resume : IT analyst
Sample resume - 3 pages - Computer science
An innovative, energetic, goal-oriented professional with solid IT and application support experience. Extensive experience in system building, set-up, troubleshooting, networking (LAN and WAN), hardware/software installation, system upkeep, desktop publishing (including HTML coding), and all...
Medical negligence: Minor patients & consent
Case study - 8 pages - Medical studies
Modern legal and ethical requirements have significantly impacted doctors' approach to patient involvement in decisions in relation to treatment with a discernible tendency to overload the information dumped upon patients about infinitesimal risks until the unhappy souls are either scared...
Isoenzymes of aspartate aminotransferase
Essay - 6 pages - Biology
The continued production of protein-based medicines and chemically-engineered enzymatic products necessitates further information about protein structure and function. An enzyme in a cell can have many functions or loci. To account for slight differences in reaction products or locations, an...
Methamphetamines
Essay - 5 pages - Medical studies
In 1927, the U.S. medical community began to use ephedrine, which is the active ingredient in ma haung, a plant, to open bronchial passages in patients with asthma. As the supplies of naturally occurring Ephedra vulgaris began to dwindle, pharmaceutical companies began to search for a synthetic...
Protein analysis of Sea Urchin sperm cells
Essay - 8 pages - Biology
Cells express different gene products in order to achieve specialization and differentiation. Sperm are highly specialized to do nothing more than fertilize an oocyte, and they are thus an excellent candidate for research into cellular specialization.1 A terminally differentiated cell like a...
Technology applications of X-ray diffraction for non-destructive testing
Essay - 8 pages - Electronics, mechanics, engineering & technology
In this article the use of X-ray diffraction in non-destructive testing of materials and machine components is examined. The article contains twelve refeX-ray diffraction finds uses in many applications of science and technology, ranging from applications in the field of pharmacy for the...
The efficacy of Needle Exchange Program
Essay - 6 pages - Medical studies
A review of the literature concerning the efficacy of needle exchange programs show that such programs work well in reducing rates of HIV and other infections among IV drug users. Further, such programs neither encourage addiction or increase rates of experimentation with intravenous drugs....
Stress and postpartum depression
Essay - 6 pages - Medical studies
Many women experience some mood changes after childbirth. The mild form of mood alteration experienced by two-thirds of mothers following the birth of a child is commonly known as postpartum blues. This is a mild, transient change in mood which usually begins within one to five days following...
Vehicle interlock systems- An introduction and overview
Essay - 9 pages - Electronics, mechanics, engineering & technology
Vehicle Interlock Systems, or Breathalyzer are systems of alcohol-control installed into vehicles, with the purpose of prohibiting/controlling driver alcohol consumption. The goal of this invention was to reduce or eradicate the ability and/or frequency of drunk driving on the...
Software development agreement
Standard contracts - 10 pages - Computer science
1. [ ] Limited, (Company number ), the registered office of which is at [ ](the "Client") AND 2. [ ], the registered office of which is at [Address ] (the "Developer") BACKGROUND: A. The Client wishes to have developed the Software; and B. The Client has agreed to...
Top facts about Anorexia Nervosa
Tutorials/exercises - 5 pages - Medical studies
In a society that is becoming more commercialist and consumer-driven, it is inevitable that standards of beauty become the focus of many, especially women who are the general targets of many advertisements and products. It is because of the prevalence of the idea that thin is in that...
Benzodiazepine/ GABAA receptor characteristics
Essay - 9 pages - Biology
GABAA (?-aminobutyric acidA) receptors are recognized as the chief inhibitory neurotransmitter receptors in the mammalian central nervous system. The GABAA receptors are pentameric membrane proteins consisting of five subunits. The subunits can combine in different ways to form GABAA receptors,...