Natural Sciences Essay Examples and Topics. Page 16

The demise of the Kievan Rus would also herald the rise of the Duchy of Moscow. Today the Russian Federation remains one of the largest countries in the world and heir to one of the [...]

There is also the risk of exposure to breastfeeding babies as the chemicals in the herbicide can pass to them through their mothers' milk.

These were the major issues that had to be addressed in the context of the newly acquired independence of Kenya, and it is reasonable to admit that the country needed strong innovators, leaders, and fighters [...]

Rome is the capital city of Italy and the most populated city in Italy. The city is located in the middle of the Italian Peninsula along the Tiber River.

Acreage Reserve Program of the Soil Bank, 1956 - 1958: Peanuts* were not in the 1958 programs. Achievements from the conservation reserve program: The soil bank program, as considered earlier, was meant to control the [...]

According to CCD Steering Committee, fluvalinate and coumaphos, which are both miticides, chlorpyrifos, fungicides and herbicides, are the major toxicological contaminants identified in the undergoing CCD research. Therefore, the potential toxicological causes of CCD, according [...]

Nevertheless, there has been a marked reduction in the number of immigrants entering the country in the current year as compared to the previous year.

To confirm the answers for the self-test, click on the organelles to see the name of the organelle and its function.

It has been identified that the cycle of the moon takes place within the period of twenty-nine days and menstruation in an average woman occurs in the same period."A woman's blood and hormonal cycle follow [...]

For example, cats and dogs are being fully capable of anticipating human reactions, in regards to the expression of their own emotions.

For the Eutheria, their young ones form embryos and are attached to their mothers through placenta in the womb. Eutheria is the only class that is able to live in the three environments, terrestrial, air [...]

A zygote is developed as a result of the fusion of two sex cells the sperm and ovum. The basic element of a chromosome is DNA and gene is the major component of the DNA.

First Nation People are the indigenous people or the aborigines of Canada and in Columbia, who are settled in the southern part of the country and are separated from other people in enjoying the same [...]

The leaf of the plant is the part of the plant which is more frequently exploited in the form of a remedial herb, although the root of the plant also exhibits medical properties.

The foliage and shoots are medically used in the form of antispasmodic, styptic, sudorific, soporific, narcotic, depressant, and vasodilator in addition to being used in the healing of some female complaints.

Through the means of his discoveries, Christopher Columbus shattered the myth that the world was flat and that the entire planet was centered on the holy town of Jerusalem.

Physical changes occur in the child during the period of adolescence as they hit puberty. It is known as the formal operational period and is the fourth stage in the life of the individual.

Darwin's theory of evolution was largely influenced by the ideas of James Hutton and Charles Lyell. The subfield of linguistic anthropology is often considered a subfield within cultural anthropology, though its relation to biological anthropology [...]

Geothermal cycle The use of tin dates back in the 3,500 B.C.and is one of the oldest metals that was used by man. In addition, blood or urine may be used to determine the amount [...]

Growth retardants like Sumagic, Cycocel and A-Rest are the synthetic formulations used for controlling the natural growth habit of plants in Nursery. Working solutions of Sumagic and A-Rest were the original formulations to which H2O2 [...]

The total value of all the produce in Kuwait is of less value compared to all the products in the other countries.

The exciting news is the role of epigenetics or influence of the adoptive mother's body has on the DNA of the embryo as it grows using the mother's nourishment, energy, and systems.

The genotype of the population is influenced to a great extent by natural selection and it is essentially the effect of the environment on the specific phenotype that describes the definition of the fittest.

The aim of the survey, which was conducted on Great Bird Island, was to determine the status of the Antiguan racer.

It is very different from ice, the physical aspect of a glacier is very interesting, and the height of a glacier is another extraordinary factor that makes it very interesting.

Aside from that, the Deere Company was the first to produce the first cotton harvester, the first hay bale ejector and the first power steering for tractors.

Artificial embryo twining is the traditional way of cloning and can be said to be the lowest technology in the art of cloning.

It refers to a new but identical collection of cells acquired from an original cell by the process of fission, wherein a cell divides itself forming two cells, or by the process of mitosis, wherein [...]

The reason was in fact, that despite spending billions of dollars in foreign aid underdeveloped countries remained unable to cooperate and restrict the supply of drugs with the donor countries of the West.

Due to the technical advancements in the area, the possibility to choose the sex of a child, choosing the most healthy embryos, using donated sperms and eggs, has given man an almost godlike quality to [...]

In the case of 64 year old Joe Miller, I recognize and understand that the patient has the right to die with dignity and that that includes dying on his own terms.

The eyes of the ospreys are bright yellow, and it has a black beak. In contrast to other predatory birds, the ratio of the Ospreys almost completely consists of fish.

The Sumatran Orangutan is one of the two species of Orangutans in the world. The Sumatran Orangutan is rarer than the bornean orangutan.

Australia is the country in the southern hemisphere of the World comprising mainland Tasmania and a number of the islands situated in the Pacific and Indian Oceans. Sydney is the capital city of New south [...]

Though one of the toughest towns in the West, Los Angeles was designated as the official seat of County government and was incorporated as a city.

Turner Syndrome, also known as UIIrich Turner Syndrome is a medical condition that affects females. The exact cause of Turner Syndrome is unknown but researches have shown that the condition results from a chromosomal abnormality.

The idea that mobility of upper limbs was least in prosimians, greater in monkeys, greater still in apes, and most in humans was a useful idea for viewing the primates in earlier times.

The stresses that affect coral reefs can include changes in water temperature, differences in the amount of ultraviolet radiation they are exposed to and the amount of sedimentation and pollutants that settle in and around [...]

At the primary stage of the evolution of human civilization, the rise of agriculture in the later part of stone age, also known as the Neolithic Revolution, was ultimately necessary to keep pace with the [...]

The following description is a series of important events that led to the identification and subsequent cloning of the PARK2 gene responsible for Parkinson's disease.

The main benefit of human-animal communication is that it will help scientists to understand the world of animals and explore it.

All the religions of the world admit that the human beings were created by the God, and it is not in the human power to duplicate God's creatures.

The fundamental shift in contents is the pro-ecological balance thrust of the alternative agriculture methods which are in direct contrast to the traditional methods.

Founder mutations may be considered as a type of genetic mutation because these result in a medical disorder, however, founder mutations can be distinguished from the rest of genetic mutations through the basis of its [...]

During the succeeding years, French Immunologist Jean Dausset and later Baruj Benacerraf discovered that the body has the ability to respond to a particular antigen and that interaction of the T cells and B cells [...]

The increase in the prices of oil in 2005 raised the production and use of sugarcane ethanol in vehicles. The fermentation process used to make ethafuel is exactly the same as the one used in [...]

The significant factor was that the two strands run in the reverse directions and the molecule had a definite base pairing.

Further differentiation of the bacterial unknowns was performed through additional colorimetric tests, resulting in the validation of the identity of each bacterial species.

These have been very significant in an analysis of the life history of my brother with a view to point out that self acceptance at every reality and experience of life can be elementary in [...]

One of its unique features is large zones of hemolysis because of the complete disruption of red blood corpuscles and as a result release of hemoglobin.

There is small variation in daytime hours due to the location of Ecuador on the equator The capital city of Ecuador is Quito, located in the Pichincha province in the sierra region.

Never the less it is universally unacceptable because it is an infringement on the physical and psychosexual integrity of women and girls and is a form of violence against them.

In order to solve the topological problem of unwinding the DNA double helix in order for the process of DNA replication to proceed, DNA topoisomerases are needed in order to break and reunite the two [...]

Thus, the concentration of vitamin C in each solution influences the number of iodine drops that are needed in order to change the color of the homogenate solution to black.

Their testicles develop fully they can be able to produce sperms, and their penis grows to a full size and they can get erections.

First of all it is necessary to mention, that the creation / evolution debate is the matter of expressing the religious beliefs: one represents the theistic model, the opposite atheistic.

The most controversial and complicated aspect of this expertise is Human Genetic Engineering- whereby the genotype of a fetus can be altered to produce desired results.

The critiques of the suburbia that were made both in the United States of America and Britain believed that the suburbs were mostly occupied by the individuals in the middle class in the nineteenth century.

Robert Anderson, being a native, shows the reader the real situation and gives a chance to understand the essence of the people, who live in one of the most mysterious places of the world, in [...]

The algae that is found in the sea also helps in reef building because they contain limestone and this is important in the integrity of the reefs.

Many have also vowed to go back to Sudan and try changing the traditional culture for the betterment of their community.

It aids in the production of milk, increasing it by 10-15%, which is a substantial amount for farmers, due to the increasing consumption and demand for cow's milk and dairy products.

It sparked off after the discovery of Kennewick Man and one of its effects was the confusion that the public was subjected to by it and the fact that the Federal government tried to settle [...]

Man's weight in the equilibrium is determined by such things as the number of fishermen, the efficiency of their gear, the wages that a fisherman is willing to work for, the price the public is [...]

The definition of "complexity" here defines the amount and diversity of the probable occupations, as some particular cities may be famous for the variety of goods, the mastery of craftsmen, the beauty of architecture, and [...]

It is these issues that South Africa needs to deal with to increase the standard of living of all people in South Africa.

The first factor is the geographical position, as the two countries are positioned in the same part of the world, where the first apparent difference is the area, as Australia is a large country that [...]

The caretakers of the archaeological records should harness their profession for the gain of all populace; this in practice occurs when they investigate and construe the records. The next ethical issue in this order is [...]

Creationists, for their part, have went on challenging and debating the essential standards of evolutionary biology, by rejecting the notion that progress is the only believable elucidation of the origin of life and modification in [...]

Evolution is the process of transformation in the inherited peculiarities of a population of creatures from one generation to the next.

The factors for the above evolution are defined as climate driven alterations causing females to search for food sources and sharing the food produce, with the involvement of tuber as a food supplement, resulted in [...]

Once the genes were sucked into the bacterial virus, the researchers went about the difficult task of separating the ones they wanted from the rest of the genes in the "soup mix".

The genes were allowed to express as dsRNA under the promoter control of T7 RNA polymerase. 300 and 900 bp DNA's of pure pL4440 preparation was not present in the lysate.

Two of the spectators to the race, pulled themselves near to the land to have a better view of the race.

Nandi warriors came from the Nandi sub-tribe of the Kalenjin community in Kenya which occupied the Rift Valley region of the country.

Oswald Avery was a man driven with the desire to contribute to humanity but when he finally discovered something of utmost importance the world of science was not quick enough to give recognition to his [...]

Even at the very beginning when the egg combines with the sperm the organism is more then merely the genetic information contained in those parts, the egg contains important nutrients that will interact with the [...]

In this paper, a consideration is made of the way of life of the pigmy population of the ethnic group of the Baka of Cameroon.

It identified variation in the same region of the long arm of chromosome15 as the top hit for genomic association with lung cancer.

The occurrence of this channel occurs due to the existence of a preserved heteromeric membrane protein complex. The result of this is forward translocation movement.

The function of this system is to make sure of the conformity and maturity of proteins produced by blocking the deliverance of incompletely folded or misfolded proteins, which are then destroyed in the cytoplasm.

The naturalist of the time believed that everything in the world had a key role in the economic of nature and the credit was given to an intelligent creator.

Evans in the first of his trilogy "The Nuer: A description of the modes of livelihood and political institutions of a Nilotic people" has provided a very detailed perspective into the customs and practices of [...]

A 2 l of the DNA was pipetted from the tube labelled "DNA" to a new tube labeled " Diluted" to which a 38 l of TE buffer was added and mixed gently.

McKibben speaks of Somatic Gene Therapy as it is used to modify the gene and cell structure of human beings so that the cells are able to produce certain chemicals that would help the body [...]

It occurs as a result of distorting in the acidic environment of the stomach when the wall lining of the stomach or duodenum erodes due to an increase in gastric acid; this triggers the development [...]

The unlocking of the human genome has opened the basic foundation of human life to the possibility of extensive alterations that, although sounding very promising in the short term, actually poses more of a problem [...]

The incubation period of 30 minutes generally results in the sedimentation or aggregation of the red blood cells at the bottom of the test tube.

The geographers have connected the Eastern European countries to the Russian Realm. The European Union is a political and economic union of twenty-seven member states of Europe.

Paleontology involves the inquiry of living things like creatures, vegetations, and further beings that existed in the primitive period, that is, in excess of 5,500 years past. The creatures were living when the rocks were [...]

Ten thousand years which follows will be a dramatic change in the appearance of the human being as people continue to rely on technology.

The current paper is aimed at considering and comparing traditional coal energy and the newly popular wind turbine energy in the context of their costs and environmental benefits.

In terms of habitat and diet, this species is opportunistic in nature and has to utilize a wide area of the river so as to meet the metabolic demands of the body.

It is through the use of senses that the hominids interacted with the environment.as feedback came from the environment internalization was done through the brains and thus facilitating the development of the cognitive aspect of [...]

Those species were called the 'homo Erectus, the modern form of which we have named the 'homo sapiens, or "us". The ridges of the eyes of homo sapiens are smaller in size compared to those [...]

The comparison between Las Vegas and Boston are as discussed below Boston is on Eastern Standard Time while Las Vegas is in the western average time.

Las Vegas, known as The Entertainment Capital of the World, is renowned for the casino resorts and the entertainment associated with the gambling industry.

This city was the capital of Brazil for nearly two centuries when the country was a Portuguese colony from 1763 to 1822 the city was the center of the Portuguese Empire.

The objective of the experiments was to remove the EGFP gene from the pEFGP vector and to clone in another vector, pET28b, derived from bacteriophage T7 vectors.

In the presence of CO2 in the tissues, the acidity increases resulting in the release of O2 and consequently protonated hemoglobin caries bicarbonate ion to be release in lungs.

4% of the vote in the election in 2004 and 14. The main ethnic groups in South Africa are Xhosa, Zulu, and Basotho.

Thus, it is also the objective of the experiment to ascertain whether the addition of these two groups to the PAH lowers or elevates the max of the label.

There are two species of lowland gorillas; the western lowland gorilla and the Eastern lowland gorilla. Mountain gorillas are the darkest in color, followed by the Eastern gorilla, and the western gorillas respectively.

After careful analysis of what has been achieved within the current infrastructure of Gene One, the founding members of Gene One and the current board members are in agreement with the idea that Gene One [...]

One could also find that even though efforts were made to develop all these Hawaiian islands into tourist centers, the transport facility, the traffic system, and the educational system of Hawaii remained the same, causing [...]

The stratosphere is the next layer of the atmosphere and is from that 7 17 km range to about 30 km above the earth's surface.

The amount of oxygen present in the atmosphere and the nature of the material it comes in contact with determine the process of oxidation.

The experiments by Hawlena et al.were designed to determine whether lizards deposit detectable levels of ontogenetic changes lacertids in their shed skins, similar to the disposition of these agents into the infant costume of striped [...]

Mississippi River, the longest river in the United States and, with its extensive offshoots, is one of the most important river systems of the world.

The tropical maritime air mass is greater in size and wider than CT.the north and south Atlantic, Indian and Pacific oceans are extensive sources of mT air.

This type of E.coli is included in a class of dangerous E.coli, called enterohemorrhagic.E.coli O157:H7 was discovered in 1982, during a severe outbreak of bloody diarrhea, associated with the consumption of contaminated hamburgers. The hemolytic [...]

However there is a gap in the knowledge base to prove the relation between disgust sensitivity, illness and health in human beings, which the current study considered to prove as hypothesis.

The most attractive feature of the offered application is the topic of the research, i.e.hunting and agricultural activities of the North American Indians.

In addition the growth in the number of smaller cities meant that in countries which lacked a major metropolis, there was a considerable increase in the proportion of the population living in urban areas, however [...]

Tier 1 or core in vitro genotoxicity assays, as mentioned above, are anchored on the detection of mutagenicity in bacterial cells and chromosomal aberrations or injury in mammalian cells.

Although the use of proton NMR has been applied for the determination of trace components such as the residual hydrogen in D2 O, the mixtures of dinitrotoluene, and the mixtures of drugs, its great merits [...]

Eugenics is a term used to describe a process that is implemented in hopes of creating a better race of humans through the genes the parent generation passes down to the offspring.

We realize that high species richness is not linked to one of the particular assumptions, sexual selection, alone but sexual selection may be linked to species extinction rates.

Culture was a phenomenon in and of itself, unique, shaping how people lived their lives and yet independent of the people it shaped.

Stem cells are cells that have the capacity to subdivide into other cells. The second property of stem cells is that they can develop into specialized cells in the differentiation process.