Biology Page 14

Cloning14
Cloning14
Cloning14 Should Human Cloning be Legal? Cloning captured the public’s attention when Scottish scientists startled the world in July of 1996 when they announced the birth of a sheep named Dolly which they had cloned from the nucleus of an adult mammary cell and a sheep egg. Ever since this spectacular event occurred people have been thinking about the possibility of cloning humans. What would a clone be like? His/her physical appearance would be the same as the person he/she was cloned from, bu
Cloning17
Cloning17
Cloning17 “We, the undersigned, welcome announcements of major advances in the cloning of higher animals. Throughout this century, the physical, biological, and behavioral sciences have placed important new capabilities within human reach. On balance, these advances have contributed to enormous improvements in human welfare. Where novel technologies have raised legitimate ethical questions, the human community has in general demonstrated its willingness to confront those questions openly and to
Cloning2
Cloning2
cloning2 One of the biggest problems with the use of cloning is the decline in genetic diversity, continued use of cloning would lead to inbreeding, wide scale, conformity. Humans would be taking nature into their own hands. Over the past billion years, life has grown into a fascinating structure. Of the 300,000 kinds of plants and more than a million kinds of animals that are known today, no two are exactly alike – yet within families there are marked similarities (Monsanto 18). From generatio
Cloning
Cloning
cloning Shortly after the announcement that British scientists had successfully cloned a sheep, Dolly, cloning humans has recently become a possibility that seems much more feasible in today\'s society. The word clone has been applied to cells as well as to organisms, so that a group of cells stemming from a single cell is also called a clone. Usually the members of a clone are identical in their inherited characteristics that is, in their genes except for any differences caused by mutation. Id
Cloning2
Cloning2
cloning2 One of the biggest problems with the use of cloning is the decline in genetic diversity, continued use of cloning would lead to inbreeding, wide scale, conformity. Humans would be taking nature into their own hands. Over the past billion years, life has grown into a fascinating structure. Of the 300,000 kinds of plants and more than a million kinds of animals that are known today, no two are exactly alike – yet within families there are marked similarities (Monsanto 18). From generatio
Darwin1
Darwin1
Darwin1 From his theories that he claimed were developed during his voyage, Darwin eventually wrote his Origin of Species and Descent of Man, which exploded into the world market over twenty years after his return home. Wallace, King and Sanders wrote in Biosphere, The Realm of Life: In 1859, Charles Darwin published a theory of evolution that implied that humans evolved from apes. . .The Darwinian revolution was the greatest paradigm shift in the history of biology, and it greatly changed the
Dinosaur
Dinosaur
dinosaur In the middle of this century, both biological and cultural anthropology experiences a major change in theory. In biological anthropology, biological anthropologists adopted an approach which focused on the gene. They saw the human evolution as the process of genetic adaptation to the environment. In the mean time, there were also cultural analogies to evolution. Cultural evolution also followed a process of adaptation. In the field of anthropology, a very important theory is that of t
Ecology
Ecology
ecology ecology ECOLOGY In the original Greek oikos means, house. So ecology is the study of the house the place where you live, or the environment which technically includes all those factors, both nonliving and living, that affect an organism. Ecology then is the study of the interactions of organisms in their environment includes both the living (biotic) and physical (abiotic) factors of the environment. It\'s also the science, which formulates and tests hypotheses about environment. E
Ecology
Ecology
ecology ecology ECOLOGY In the original Greek oikos means, house. So ecology is the study of the house the place where you live, or the environment which technically includes all those factors, both nonliving and living, that affect an organism. Ecology then is the study of the interactions of organisms in their environment includes both the living (biotic) and physical (abiotic) factors of the environment. It\'s also the science, which formulates and tests hypotheses about environment. E
Effect of photosyntheses and respiration on the en
Effect of photosyntheses and respiration on the en
effect of photosyntheses and respiration on the environment Introduction: The environment can be defined as the surroundings in which as organism lives, including the climate, the physical and chemical conditions of its habitat and its relationship with other living things. Given the above understanding, it is therefore important that the right environment factors are in existence for some chemical reactions to take place. In the absence of optimum environmental factors, organisms would be comp
Environmental Effects of Global Warming
Environmental Effects of Global Warming
Environmental Effects of Global Warming Environmental Effects of Global Warming The greenhouse effect and global warming are issues that are talked about by geologists all the time. The greenhouse effect is a natural process that keeps the earth at temperatures that are livable. Energy from the sun warms the earth when its heat rays are absorbed by greenhouse gasses and become trapped in the atmosphere. Some of the most common greenhouse gasses are water vapor, carbon dioxide, and methane. If t
Enzyme catalysis
Enzyme catalysis
enzyme catalysis Introduction: In essence, the main objective was to use chemical titration to measure and then calculate the rate of conversion of hydrogen peroxide (H2O2) to water and oxygen by using the enzyme catalase. Other purposes of the lab were; to measure the effects of changes of temperature, pH, enzymes concentration, and substrate concentration on rates of an enzyme. The lab was also an opportunity to see a catalyzed reaction in a controlled experiment. And the last objective was t
Euthanasia
Euthanasia
Euthanasia Euthanasia also known as mercy killing is the act of taking someones life in a painless manner. Euthanasia is mainly associated with people with terminal illness or who have became incapacitated and dont want to go through the rest of their life suffering. This subject has come to be a subject that has became very debatable in society. The sides are well distinguished with one group portraying the idea that everyone has the right to die because it is our life and we should be all
Euthanasia
Euthanasia
Euthanasia Euthanasia also known as mercy killing is the act of taking someones life in a painless manner. Euthanasia is mainly associated with people with terminal illness or who have became incapacitated and dont want to go through the rest of their life suffering. This subject has come to be a subject that has became very debatable in society. The sides are well distinguished with one group portraying the idea that everyone has the right to die because it is our life and we should be all
Evolution through natural selection
Evolution through natural selection
Evolution through natural selection Children often play a game called telephone, where one child whispers a statement into another childs ear, and the statement is passed on to other children; at the end of the game the last child will repeat the statement that was told to him or her. The majority of the time, the statement said would be completely different than the original one. This is an example of evolution through natural selection; where somewhere along the life span of the statement, i
Evolution3
Evolution3
Evolution3 Major Themes in Evolution The world around us changes. This simple fact is obvious everywhere we look. Streams wash dirt and stones from higher places to lower places. Untended gardens fill with weeds. Other changes are more gradual but much more dramatic when viewed over long time scales. Powerful telescopes reveal new stars coalescing from galactic dust, just as our sun did more than 4.5 billion years ago. The earth itself formed shortly thereafter, when rock, dust, and gas circlin
Experimental Design
Experimental Design
Experimental Design Experimental Design Tacoma Community College Carla M. Broggi - E Biology 100 Spring Quarter, 2000 Question Is cancer caused by long-term exposure to power – frequency electromagnetic fields (EMF)? Hypothesis High intensity electromagnetic fields effect cells causing a genetic mutation that leads to cancer. Variables Dependant – Electromagnetic Field Independent – Location/proximity, duration of exposure Controlled – Diet, species, age, sex, area of confinement Procedure Leve
Huntintons Disease A brief overview of current fin
Huntintons Disease A brief overview of current fin
Huntintons Disease A brief overview of current findings and theories of the biochemical and molecular biological characteristics of polyQ triple repeat mutenagized coding region of the Huntingtin gene Huntingtons Disease Introduction Huntingtons disease is an inherited neurodegenerative disorder. It is passed on to children from one or both parents (though two parents with Huntingtons is extraordinarily rare) in an autosomal dominant manner. This is different from autosomal recessive disorde
Flag
Flag
flag Questions on the origin of life and of the universe must have challenged human curiosity and imagination as soon as early man had time for activities other than survival. In 1859, Charles Darwin published the Origin of Species, and since then, people have debated between the creationism and evolutionism theories. The theory of evolution has been supported only through various religious writings, particularly the Bible. Creationists believe in a divine creator, God. Creationism has a broad
Forensic science
Forensic science
forensic science Forensic Science, also known as Forensics, is the application of science to law. It uses highly developed technology to uncover scientific evidence in a variety of fields. Modern forensic science has a broad range of applications. It is used in civil cases such as forgeries, fraud or negligence. The most common use of forensic science is to investigate criminal cases involving a victim, such as assault, robbery, kidnapping , rape, or murder. Forensic science is also used in mon
Forensic science
Forensic science
forensic science Forensic Science, also known as Forensics, is the application of science to law. It uses highly developed technology to uncover scientific evidence in a variety of fields. Modern forensic science has a broad range of applications. It is used in civil cases such as forgeries, fraud or negligence. The most common use of forensic science is to investigate criminal cases involving a victim, such as assault, robbery, kidnapping , rape, or murder. Forensic science is also used in mon
Gaia
Gaia
Gaia John Lovelock in his book The Ages of Gaia presents an argument for a theory governing the relationship between the earth\'s biota and its physical environment. Lovelock holistic view of nature combines biology and geoclimatology as one science, which he calls geophysiology, the study of living and non-living Earth as a single system (Lovelock 11). Lovelocks theory states that life is necessary to maintain the planets thermodynamic and chemical composition in its current state of homeo
Gaia vs selfish gene
Gaia vs selfish gene
Gaia vs selfish gene People have always wondered how life evolved on Earth. Richard Dawkins book The Selfish Gene and James Lovelocks book The Ages of Gaia attempt to shed some light on this debate. Dawkins presents a reductionist point of view in that he argues that evolution takes place entirely through the effects of natural selection on the survival of selfish genes. Lovelock, on the contrary, provides a holistic view of evolution and argues that the entire earth evolves as a super-organ
Gene Therapy1
Gene Therapy1
Gene Therapy1 What\'s the worst that can happen to me? I die, and it\'s for the babies, said Jessie Gelsinger as he left for the hospital to receive gene therapy treatment. (Stolberg) People risk their lives everyday in the name of science. One such science that people have recently been drawn to is gene therapy. Although, gene therapy may be new and exciting and it may be helping to find cures to diseases we only dreamed of curing, we have to remember it is dangerous. It needs to be done wit
Genetic Eng
Genetic Eng
Genetic Eng Genetic Engineering Genetic Engineering is a radical new technology, one that breaks down fundamental genetic barriers- not only between species, but also between humans, animals, and plants. By combining the genes of dissimilar and unrelated species, permanently altering their genetic codes, primary organisms are created that will pass the genetic changes onto their offsprings. The field of genetic engineering has the potential to strip the individual privacy, diversity, and freedo
Genetic Engineering history and future Altering th
Genetic Engineering history and future Altering th
Genetic Engineering history and future Altering the Face of Science Genetic Engineering, history and future Altering the Face of Science Paper By: Phillip O. Alvarez Z. Science is a creature that continues to evolve at a much higher rate than the beings that gave it birth. The transformation time from tree-shrew, to ape, to human far exceeds the time from analytical engine, to calculator, to computer. But science, in the past, has always remained distant. It has allowed for advances in producti
GENETIC ENGINEERING OF COTTON FOR INSECT RESISTANC
GENETIC ENGINEERING OF COTTON FOR INSECT RESISTANC
GENETIC ENGINEERING OF COTTON FOR INSECT RESISTANCE GENETIC ENGINEERING OF COTTON FOR INSECT RESISTANCE The DNA code mostly contains instructions for protein synthesis. The code is read in groups of three nucleotides and each triplet of nucleotides codes for one of the twenty amino acids which link together in a polypeptide chain to form a protein. The code is universal, so the same code applies in nearly all living organisms. Some triplets have special functions and direct protein synthesis to
Genetic Engineering of Plants
Genetic Engineering of Plants
Genetic Engineering of Plants . Genetic engineering involves the alteration of an organisms hereditary material in order to eliminate undesirable characteristics or to produce plants with more desirable characteristics. The splicing of genes takes place in order to combine traits that would be unlikely to occur together under ordinary circumstances. Practices that go back centuries, such as the use of microbes to make wine and cheese and the selective breeding of livestock and crops, are exam
Genetic Engineering4
Genetic Engineering4
Genetic Engineering4 Science is a creature that continues to evolve at a much higher rate than the beings that gave it birth. The transformation time from tree shrew, to ape, to human far exceeds the time from an analytical engine, to a calculator, to a computer. However, science, in the past, has always remained distant. It has allowed for advances in production, transportation, and even entertainment, but never in history has science be able to so deeply affect our lives, as genetic engineeri
GermLine therapy
GermLine therapy
GermLine therapy Ashley Austin Germ-line Therapy Discover Magazine May 1998 Abstract How about a world with no disease, or no cancer? This can all be made possible through germ-line therapy. By changing chromosomes before offspring\'s are even born, disease and cancer can be wiped out over generations. Objective Summary Article Over the past four billion years, our lives have progressed through many changes. These are in the genetic makeup and by natural selection. Genetic engineering offers ma
Global Warming definition paper
Global Warming definition paper
Global Warming definition paper Global Warming Several issues concerning the environment are brought to the publics attention every year, but none has more of a direct effect on earth and its environment than global warming. Coincidentally it appears to be the least of the populations concern. Global warming is the theory that our planet is getting hotter due to an increase in the greenhouse effect brought about by the increase of carbon dioxide and other gases in the atmosphere. Global warmin
Hanta Virus
Hanta Virus
Hanta Virus Hanta Virus As A Deadly Disease Hanta virus is a dangerous and often deadly disease that must be guarded against. If proper precautions are not taken, hanta virus could lead to a nationwide outbreak causing many deaths. While there are a few cases of hanta virus reported each year, the consequences of coming down with the disease dictates that the U.S. set up certain safeguards to educate the population on how to protect themselves. Even though research is being done on hanta virus
HG Wells Time Machine
HG Wells Time Machine
HG Wells Time Machine The Time Machine Herbert George Wells was born in 1866 in Bromley, Kent, a few miles from London, the son of a house-maid and gardener. Wells died in 1946, a wealthy and famous author, having seen science fiction become a recognized literary form and having seen the world realize some of science fiction\'s fondest dreams and worst fears. Wells mother attempted to find him a safe occupation as a draper or chemist. Wells had a quick mind and a good memory that enabled him to
HOW DID LIFE REALLY BEGIN
HOW DID LIFE REALLY BEGIN
HOW DID LIFE REALLY BEGIN HOW DID LIFE REALLY BEGIN? By: Sam INTRODUCTION Evolution. Is it a fact or fiction? I thought that Evolution, was just a theory, but I was wrong. I believe that Darwins theory has had a great impact on the world today. It has caused many debates between religious authorities and those from the scientific community. This theory had prompted individuals to think about the Origin of the Universe, Earth, and how did life really begin. However, what distinguishes Charles D
Human Genome
Human Genome
Human Genome Human Genome Project A genome is defined as the complete collection of an organisms genetic material. The human genome is composed of about 50,000 to 100,000 genes located on 23 pairs of chromosomes in a human cell. It is said that a single human chromosome may contain more than 250 million DNA base pairs, and it is estimated that the entire human genome consists of about 3 billion base pairs. The DNA is gathered through blood samples taken from many different people. Though each p
Human genome project2
Human genome project2
human genome project2 Human Genome Project The Human Genome Project (HGP) is an international 13 year effort that began in October of 1990. The main objective of the project is to map the entire human DNA sequence. The project was planned to last 15 years, but rapid technological advances have moved the completion date to 2003. A rough draft of the human genome was completed in June 2000. Efforts are still underway to complete the finished high quality sequence. Many laboratories around the Uni
Human genome technology
Human genome technology
Human genome technology Life as we know it is specified by genomes. Every organism posseses a genome that contains the biological information needed to construct and maintain a living example of that organism. Most genomes, including those for all cellular lifeforms, are made of DNA (deoxyribonucleic acid) but a few viruses have RNA (ribonucleic acid) genomes. DNA and RNA are polymeric molecules made up of linear, unbranched chains of monomeric substances called nucleotides. Each nucleotide has
Human Genome
Human Genome
Human Genome Human Genome Project A genome is defined as the complete collection of an organisms genetic material. The human genome is composed of about 50,000 to 100,000 genes located on 23 pairs of chromosomes in a human cell. It is said that a single human chromosome may contain more than 250 million DNA base pairs, and it is estimated that the entire human genome consists of about 3 billion base pairs. The DNA is gathered through blood samples taken from many different people. Though each p
Human Genome
Human Genome
Human Genome Human Genome Project A genome is defined as the complete collection of an organisms genetic material. The human genome is composed of about 50,000 to 100,000 genes located on 23 pairs of chromosomes in a human cell. It is said that a single human chromosome may contain more than 250 million DNA base pairs, and it is estimated that the entire human genome consists of about 3 billion base pairs. The DNA is gathered through blood samples taken from many different people. Though each p
Impact and Future Prospects of Internet
Impact and Future Prospects of Internet
Impact and Future Prospects of Internet IMPACT AND FUTURE PROSPECTS OF INTERNET R.R.Rajalaxmi,M.E, Lecturer, Department of CSE-PG, Kongu Engineering College, Perundurai. ABSTRACT The impact of the Internet, that is, the computer and its email and World Wide Web functions, have changed teaching, research, and collegiality. The Internet expands our horizons, our imaginations, and our capacities to find, store, organize, use, teach, and publish information. E-mail provides fast, almost instantaneo
Is anyone out there
Is anyone out there
Is anyone out there Is Anyone Out There? Throughout the years, the alien has been one of the most popular topics in science fiction movies and books. In fact, a lot of people are getting interested and would like to know if there is really another kind of living creature out there in space. What do they look like? Where are they coming from? Will they come and attack Earth? All these questions are the most frequently asked by the general public. The main question that interests astronomers is w
Is the Human Genome all that is craked up to be
Is the Human Genome all that is craked up to be
Is the Human Genome all that is craked up to be Scientists throughout the world have been working on a long-term project that will change the decisions people make about their lives and lifestyles, the way doctors practice medicine, how scientists study biology, and the way we think about ourselves as individuals. This project is called the Human Genome Project, and its main goal is to determine and configure the chemical sequence of DNA in every human being. This project has been going on for
Kornberg
Kornberg
Kornberg A. Personal Information Arthur Kornberg (1918-), American biochemist and physician, claims he has never met “a dull enzyme.” He has devoted his life to pursuing and purifying these critical protein molecules. His love of science did not spring from a family history rooted in science. He was born on March 3rd, 1918, the son of a sewing machine operator in the sweatshops of the Lower East Side of New York City. His parents, Joseph Aaron Kornberg and Lena Rachel Katz, were immigrant Jews
Marie Curie
Marie Curie
Marie Curie The ashes of Marie Curie and her husband Pierre have now been laid to rest under the famous dome of the Panthéon. Through her discovery of radium, Marie Curie paved the way for nuclear physics and cancer therapy. Born of Polish parents, she was a woman of science and courage, compassionate yet stubbornly determined. Her research and work was to cost her, her life. Marie Curie, or rather Marya Sklodowska, was born in Warsaw on November 7, 1867. Born into a family of teachers and brou
Nicotine
Nicotine
Nicotine CHEMISTRY SOCIAL ISSUE REPORT Michael Yates 1997 Nicotine Killer or Wonder Drug ? Nicotine, one of the most unusual psychoactive drugs known, and the primary pharmacological agent of addiction in cigarettes, triggers powerful physical and psychological reactions in species as diverse as cockroaches and humans. Nicotine has been proven to boost concentration, improve memory and control body weight, as well as alleviating the symptoms of Alzheimer\'s and Parkinson\'s Disease sufferers. H
Ovarian Cancer
Ovarian Cancer
Ovarian Cancer Cesar Manuel Perez Human Biology October 2, 2001 Ovarian Cancer Ovarian cancer is a disease that develops in a woman’s ovary. The cancer can either begin in the ovary or cancerous cells can be spread from other parts of the body. Ovaries are inside the woman’s pelvic area. From the beginning of puberty all the way until menopause, the ovaries produce female hormones. The job of these hormones is to regulate the menstrual cycle/menstruation. Ovaries also include eggs which are reg
Parasites and their Virulence
Parasites and their Virulence
Parasites and their Virulence ABSTRACT Why do some parasites kill the host they depend upon while others coexist with their host? Two prime factors determine parasitic virulence: the manner in which the parasite is transmitted, and the evolutionary history of the parasite and its host. Parasites which have colonized a new host species tend to be more virulent than parasites which have coevolved with their hosts. Parasites which are transmitted horizontally tend to be more virulent than those tr
Photosystems
Photosystems
photosystems Photosynthesis occurs in 3 main stages: energy is captured from sunlight, then its converted into chemical energy and stored in organic molecules. Photosystems are light harvesting units of the thylakoid membrane. Each photosystem has four hundred pigment molecules. A photon hits the pigment molecules and travels through each molecule and then reaches the reaction center as shown in figure 1-1. The thylakoid membrane has two photosystems, photosystem 1 & 2. The reaction center in
Plant Growth Lab Report
Plant Growth Lab Report
Plant Growth Lab Report Plant Growth Ashton Abernethy Observation: Which Plant will grow better? The one in normal sunlight or the one in artificial sunlight? Hypothesis: The one in normal sunlight will grow better Materials: 4 bean seedlings of equal size 4 pots of equal size Potting soil Water Green Light Red Light Procedure: 1. Gather Materials 2. Pot the bean seedlings 3. Put one seedling in a window, another under a red light, another under a green light, and the other in total darkness 4.
Pollution1
Pollution1
pollution1 Freedman defines a pollutant as the occurrence of toxic substances or energy in a larger quality then the ecological communities or particular species can tolerate without suffering measurable detriment (Freeman, 562). Although the effects of a pollutant on an organism vary depending on the dose and duration (how long administered). The impact can be one of sub lethality-to-lethality, all dependent upon the factors involved. These factors need to be looked at when determining an ec