Natural Sciences Essay Examples and Topics. Page 6

With the current technologies, an electrolyzer working at 100% efficiency needs 39 kWh of electricity to liberate 1 kg of hydrogen.

Microbial Physiology, the branch of microbiology responsible for the study of these enzymes, employs a spectrum of tests that detect the known set of enzymes unique to each species of microbe.

In order to carry out selective breeding, the breeder must first of all have a breeding stock with the desired qualities.

The tertiary structure is the three dimensional structure of a single molecule of a protein. The breaking of a peptide bond is by the process of amide hydrolysis.

The membrane, made up of lipids, facilitates the fluid movement and transportation of the vital elements of the cell. A lack of these vitamins in the body leads to various diseases and conditions.

Animal models have been used throughout the history of biology to facilitate the understanding of pathogenesis mechanisms, and in the development of effective therapies. The advantage of this method is in its ability to culture [...]

The basic premises of cell theory include that the basic unit of structure in all living organisms is the cell. The other premise in cell theory is that the functionality of an organism is a [...]

The report will cover the structure and functions of animal cells and organelles. It will also address the structure and functions of tissues and main organs of the body.

In this regard, one is expected to establish the necessities of photosynthesis and discover the requirement of carbon dioxide and light for oxygen evolution.

One can argue that this mechanism is critical for the survival of this mollusk. These are some of the main issues that can be distinguished.

Conversely, those with the gene survived and passed it on to their young, making them immune to the toxins in the water and ultimately creating a generation of PCB resistant tomcod.

The government controlled most of the means of production and employed a large percentage of the workforce. In the current paper, the author takes an in-depth look into the current status of the Cuban economy.

It leads to a lack of surviving members of some species to reproduce in order create a new generation of the extinct species.

Genetic engineering is the amendment of the genetic composition of a particular organism or simply the adjustment of an organism's transmissible matter in a bid to produce desirable characteristics.

On the other hand, the composition of the electroless nickel coatings depends on the conditions in an electroless plating bath and the formulation of the bath.

The unearthing of fossils and their study, biogeography which informs us of similar species of trees and animals in various parts of the world and the reasons for such an eventuality, embryology and the study [...]

The springs and seeps out of the canyon walls sustain eleven percent of the plants in the park. In some of the management activities, local citizens and volunteers have been involved.

This is because animal cloning is popularly understood as the creation of a copy of another animal, much the same way as the capability to create twins but in the laboratory.

The city of Perth in Australia has a rich heritage in terms of cultural values and attitudes which define the culture of the city and this is evidenced by the exotic buildings and open spaces [...]

This work entails developing a catalyst coupled with the construction of a good reformer in the field of catalysis. The catalyst is released at the end of the reaction and may be used again.

After a few days, the researcher noticed that the plant placed in the bedroom had grown abnormally tall and tended to bend towards the window.

The aluminum industry in Australia is its economic backbone as it is one of the major products produced in the country and is a direct source of income to over 16,000 Australians.

This theory states that wings developed from a section of the legs of wingless insects. According to Carpenter, wings developed from gills through the evolution of gene expression with similarities between winged and wingless insects.

In addition, silver is commonly formed in a wide variety of hydrothermal deposits and is associated with gold and the base metals such as copper, lead and zinc. Increase in silver concentration is an indicative [...]

The coronary circulation involves the movement of blood through the tissues of the heart while the systemic circulation involves taking blood to all the rest of the body tissues and back to the heart".

The facial approximation is the process of the construction of the possible facial image of a person using the configuration of the skull.

Potassium Polyacrylate is a substance added to the soil to absorb and store water for the plants. Potassium Polyacrylate can also absorb and release fertilizers into the soil, the same way it does to water.

The oil that goes through the Strait of Hormuz Choke Point in ships is transported to countries like India, and China. The Strait of Hormuz Choke Point is well known for its participation in oil [...]

The location of the city is along the Central Western region of the country along Planalto central plateau. The economy of the city is in a large essence a government based one.

According to Murdock Assessing the consequences of the population on the pace and process of economic growth is one of the oldest themes in the literature on economics.

The climate of the continent was largely uniform, and this ensured that the populations were able to migrate and adapt their crops to different parts of the continent.

Maybe it is because of this direct interaction with humans that allow dogs to understand the basic human emotions and needs which led the animal to develop a way to comfort their human companions.

As a result of this geographical feature, the region is always variable to floods in most of the seasons especially from the upper area and tidewater from the lower part of the sea.

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 [...]

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 [...]

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.

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 [...]

Pfiesteria piscicida is a single-cell, a microscopic organism found in the environment for millions of years. 8S regions agree to the placement of Pfiesteria in the Peridiniales or a group between the Peridiniales and the [...]

He is credited with the founding of the colony of Georgia, which was motivated by his desire to resettle the poor lot in England, especially the prisoners convicted of debts, into America.

His books include The Raw and the Cooked, The Effectiveness of Symbols, The Savage Mind, Structural Anthropology and Totemism. Laderman describes her feelings under the trance in such a way: As the vibrations of the [...]

For example, the highly centralized polities of Bunyoro and Buganda, located to the north of Lake Victoria, were the result of migrations, beginning in about the sixteenth century, of Lwo-speaking peoples originating in the territories [...]

Ashforth, an Australian anthropologist lived in the town for many years, and the story is about his friend Madumo who is accused by a prophet of his family of his families church of using witchcraft [...]

It is thought to be carried by nearly one-quarter of the world's population, with a prominent presence in tropical Asia followed by Africa and South America.

I think that if there is some unreasonable rule of behavior in contemporary society, the best way to implement a change that will be ethical and culturally accepted is through communication.

That is why the proper functioning of the human digestive system serves as the basis for full-fledged life support during the main processes in the digestive tract. In the oral cavity, food enters the throat, [...]

There is a variety of significant issues related to the growth and production of cocoa. A risk for the environment and trees is also present due to the practice of cocoa farming.

The study by Kroeze is focused on the ability of plants to listen to music. The article by Landhuis is dedicated to the ability of plants to hear danger that comes in the form of [...]

The acidification of water bodies leads to the death of numerous species that are susceptible to the presence of acid. Part of the problem is caused by the fact that Hungary is currently forced to [...]

Many factors such as techniques of dyeing, the contents, the processes and possibilities of recycling influence the choice of size and type of the membrane to be used in a dyehouse [25].

While food justice deals with the working conditions of the farmers, equal access to healthy food, and with the issues of the consumption and distribution of food around the globe, the concept of food security [...]

Thereafter, the soldier termites bite the twig allowing the chimp to draw the twigs between its teeth to reap the termites.

According to Baird, human cloning should be prohibited for the simple reason that the onus of justification will be placed on the shoulders of those performing the cloning rather than those who want the cloning [...]

The latter has ensured that food is produced in plenty and that the citizens do not starve at the expense of cash crops.

Artists were moving in the same direction, which excluded the possibility to understand and assess other examples of the art of other nations.

In terms of the overall overlook on the map of Australia, the most distinctive feature is the desert which covers the central part of the continent, extending towards the west.

Although most zoologists believe that zebras are white with black stripes, the fact is that the animal's primary color is black with elements of white because there are no parts of the zebra's body that [...]

DNA was obtained from blood, muscle tissue and feathers of the bird. The last step was to visualize the DNA extract through gel electrophoresis and making conclusions of the bird's sex.

The aim of this experiment was to determine the impact of various types of soil as well as the effect of an energy drink on plant growth. The growth of the plants was measured as [...]

According to Diamond's theory, the rapid growth of the Mayan civilization resulted in the maximization of its population and the need for more food, which, eventually, caused overhunting, overfishing, deforestation, and destruction the soil.

After assessing the evidence, it is argued that if the language is understood as a structured system of signs that is used conventionally in order to communicate meaning, then it is possible to state that [...]

Thus, according to the kinship of the San people, women's right also counts in major decision making of the society. The kinship of the San people is very different from that of my own society.

In fact, the French in Algeria and the Spanish in Morocco engaged in a conflict to determine who was to control the region.

As a result, human-animal tactile communication in most of the cases is limited to physical contacts between domestic animals and their owners.

The main idea that I am going to promote throughout the paper's entirety is that the aging-related issues cannot be referred to as such that represent the value of a 'thing in itself' in the [...]

In the first part of the chapter, Carroll provides examples of the changes in the use of genes in different species. The loss of genes and the fossilization evolve when the natural selection is not [...]

The killer whale is the largest member of the dolphin family and a very fierce predator. In the Southern Hemisphere, the types of killer whales found there include type A, B, C, and D.

Cell physiology is the study of the functions of the cell structures. The function of controlling movement of substances in and out of the cell is known as the physiological process.

Of great interest in the paper will be elephants' seismic communication. In essence, elephants have the capability of generating both strong and weak sounds.

The speed and energy of the sounds that are transmitted in the SOFAR channel are maintained without being altered because of the pressure, which increases with increase in depth.

Due to the carbon dioxide increase in the atmosphere, acidity in the oceans is increasing++ and a fast increase of change rate is experienced.

The biosphere, however, overlaps between all the spheres that include the lithosphere, which is found on the surface of the earth.

The doctrine was, originally, generated by the scientists, Sandra Scarr, who suggested that genes may impact the constitution of the surrounding environment, which stimulates a certain niche of human responses and to the surrounding conditions.

The increased rate of rural to urban movement has caused urban food shortage, a high cost of food, and a huge reliance on imported food, among other challenges.

The preparation of the journals involved conducting interviews with the urban farmers and surveys on the certainty of the farming practices.

Most of the views about forbidden archeology are contained in a 1993 book titled "Forbidden Archeology: The Hidden History of the Human Race".

Queen Hatshepsut's remains have not been found completely, and there is much evidence to discuss the role of Thutmose III in the female pharaoh's disappearance.

Genetic diversity is a term used to refer to the dissimilitude of organisms of the same species. Species diversity is used to refer to dissimilitude of organisms in a given region.

This factor is mostly attributed to the fact that when spons are used, it is easy to indentify an animal with a problem.

Irrigation refers to the artificial use of water to assist in agriculture and is important in the suppression of weeds especially in grain fields and in the deterrence of soil hardening.

The second technique, which is grid walking, is where the survey area is divided into squares, and the field walkers use the fixed amount of time to work on each square collecting all the materials [...]

Furthermore, in this paper I would like to discuss the territoriality of both human beings and non-human primates, in other words, the strategies of establishing and defending one's territory.

The sediment layers at the site indicate that the occupants had used fire for thousands of years considering the burnt flints found in lower parts of the pollen diagram.

An analysis of the power relations affecting biomedicine addresses questions such as who has the power over agencies of biomedicine, how and in what forms power is to be delegated, how the power is to [...]

The new guidelines have to follow the six steps of urban planning which include determining the objective of the urban plan, formulating the strategy, determining the number of inputs and outputs that will be used [...]

The individual inherits some of the characteristics from the mother and the rest is inherited from the father. Genetic disorders may be passed from the parents to the offspring's during the process of fertilization.

According to Keith, the film of water flowing in the roots of the plant should be made as shallow as possible to facilitate efficient flow of oxygen within the rooting system of the crops as [...]

In the course of the First World War, the processes of fermentation were set up in order to carry out production of acetone from the solvents of paints as well as starch to be used [...]

From the outlook, the simplicity of the watch suggested that it was stored at the time when this kind of electronic device was innovated.

Given the fact that prey and predator pairings threatens the survival of the prey there are other external factors that contribute to the elimination of the prey species.

Due to the differences in the terrestrial and aquatic environments, numerous contrasts between the two environments can be observed. Another major difference between the terrestrial and aquatic ecosystem is their level and ability to support [...]

Precisely, it is with respect to security that most animals are helpful to human beings. Conclusively, it is agreeable that animals matter to the human race.

In general, a farm household system is comprised of the various parameters that govern the operation and sustainability of the system.

Alternatively, they would cut vital elements of the tree in order to cause the upper part of the tree to fall off gradually. The birth of the naval store affected the pattern of deforestation in [...]

This is usually possible as women and men have different sexual organs and the disparity in the sexual organs of men and women explains the differences in both sexes.

The Gwich'in believes that, the existence of Porcupine caribou herd is same as their existence, because they do not only depend on the animals as food, but they also respect them as the source of [...]

Finally, the corporations that are involved in the process of food production are responsible for the creation of new markets for consumption and the global trade of agricultural products.

The development of green fields and redevelopment of the current residential areas in Brisbane will be important in order to accommodate the increased population. The growth of Brisbane city will be promoted by encouraging and [...]

There are seven sections of the Lascaux caves namely: "the Great Hall of the Bulls, the Painted Gallery, the Lateral Passage, the Chamber of Engravings, the Main Gallery, the Chamber of Felines, and the Shaft [...]

In India, the habitat of lions is in both the forests of dry savanna and the dry forests of deciduous scrub.

The comparison of Hungary to the rest of the world based on the population growth rate shows that the country is ranked 206.

The impact of the disparity in the natural environment which causes variable conditions in different geographical areas is reflected in the productivity, production cost and efficiency of production.

However, it is important to keep in mind that the lifespan of the current generation is shorter, which is, no doubt, the result of the wrong diet that consists mostly of the food created artificially, [...]

Among the measurements that are to be done to determine the godlessness of this system is the measuring of heart rate.

According to prologue of the book 'Skull Wars Kennewick Man, Archaeology, and the Battle for Native American Identity, the author of the prologue mentions the intention of the whites or Caucasians to ascertain themselves as [...]

Trinkel and Kastberger argue that, the foremost threat that is facing lions in the jungle is the intrusion of more carnivores because they can overwhelm lions and force them to migrate to other destinations.

As a result, some of the wolves have decided to be loners despite of their territorial behavior for fear of attacks.

Mixing the scientific and humanistic approaches and implementing the anthropological framework and the concept of the bio-cultural triad for covering various sides of life of Beaver community, Brody uses dialogic procedures for depicting and explaining [...]

Spain, claiming over half a million acres on the Iberian Peninsula, fronts on the North Atlantic, the Bay of Biscay, the Mediterranean Sea, and the Balearic Sea.

May be that's why most people in this city are thin compared to the people of New York who tend to be overweight because the restaurants in New York such as MacDonald's serve food in [...]

Prior to and after 1950 fingerprinting as a biometric method of identifying criminals in the field of forensic science had been settled upon as one of the most reliable methods of identifying criminals in the [...]

The pre-operational stage: At the pre-operational stage, the child learns to exercise language and to characterize things by words and images. At this stage of development, the anus acts as the centre of attraction of [...]

It is for this reason that the whole world has to pose as ask the question "What are the causes of global warming?" The answer is simple, climate change and resultant global warming has to [...]

Dawkins also notes that despite the fact that it took billion of years for a species to evolve, it is possible to witness the evolution process through the observation of one lifespan.

During identification, for examiners to determine the owner of the left behind friction skin ridge impressions, examiners must evaluate a number of factors between known fingerprints and the fingerprints in question.

However, the combined results of vocalisation, morphological behavior and molecular biology of the domesticated dog now show that the wolf is the principle ancestor of the dog.

This assertion is true and the fact that me and some of my siblings are in the United States proves that my father would like us to lead an informed life free of negative influence.

In his article,' Professional vision', Charles Goodwin seeks to examine the discursive practices often used by members of a given profession to shape the domain of their professional assessment, the phenomenal environment where their thoughts [...]

To be precise, the paper will explain the origin of the diverse range of cultural background in Australia. The diverse range of culture in Australia dates as early as 1788 when a group of population, [...]

Through many identified locations of the satellites and the calculated distances between the receiver and the satellites, the location of the receiver is determinable.

It is commonly known by the phrase, "survival of the fittest", which means that only the species that have well adapted to their environment, is well suited to survive in that habitat.