Natural Sciences Essay Examples and Topics. Page 9

In the conversion of the precursor substance tyrosine to dopamine, the following process occurs: the rate-limiting biomolecule in catecholamine production is tyrosine hydroxylase.

The paper contains a literature review on the topic of geographic inequality, a baseline analysis of Blackburn with Darwen, and methodological suggestions for the further research of uneven development of the UK.

It is suggested that all the different viruses account for the quantity exceeding the number of stars in the universe. Viruses are called obligate intracellular parasites as they need the host cell in order to [...]

The field of research concerning the modification of cells to cure certain diseases became known in the early 1970s. The success of the procedure was then published and performed in 2002.

In the human body, hyaluronic acid performs the crucial function of retaining moisture in the tissues and acts as a lubricant for the joints. Even though hyaluronic acid is a component of the body, the [...]

In particular, the peppered moth is thought to have changed its coloration qualitatively as a result of the deleterious effects of the Industrial Revolution on the forest.

The lack of knowledge about the laws of heredity, the genetic and ecological structure of species, and the lack of experimental evidence of natural selection served as the basis for the growth of critical attitudes [...]

The work of a spectrophotometer is based on this law to calculate the amount of light, its absorption, and concentration. Spectrophotometry is necessary to demonstrate how non-destructive methods help check the condition of the water, [...]

Secondly, a few drops of gram's iodine were added to the bacterial smear and then allowed to sit for sixty seconds before rinsing with water.

The most common complaint is that the size of the country is extremely biased. As far as I know, the real size of a country differs from the size illustrated by the Mercator projection.

The virus uses the HA spikes on its envelope to attach to the sialic acid receptors on the epithelial cells. The HA spike proteins assist the virus in attaching to the lower respiratory tract epithelium.

Due to the geographic location that complicated the process of colonialism, Australia had been isolated from the impact of the British rule for a while, which helped the state to develop its agency and start [...]

According to Edmond and William, the dawn of bioterrorism dates back to the nineteenth century, when Louis Pasteur and Robert Koech studied and understood the basics of microbiology. Moreover, another application of biological weapons is [...]

On the other hand, genetic enhancement targets modifying the genes to augment the aptitudes of an organism outside the ordinary. Somatic gene editing impacts the cells of an individual under treatment and it is inherited [...]

One of the main parts of the neuronal "chain" is a neurotransmitter. In the case of a voltage-gated channel, at rest, the activation gate of the channels is closed, and the inactivation gate is open.

This paper examines the sources of PFAAs contamination in the environment, their effects on animal and human health, and the existing U.S.policies regarding PFAAs.

The clone develops in the womb and eventually, the adult female gives birth, with the new clone having an identical genetic makeup to the organism from which the somatic cell originated.

Considering the potential health consequence of the Naegleria Fowleri amoeba, analysis to obtain a fast diagnosis is considered crucial to allow early treatment procedures.

Sodium is reabsorbed in the thick climbing appendage of the loop of Henle. The rest of the Na+ retention happens in the distal nephron.

The benefits of sustainable agriculture are derived from its meaning which is to use agriculture in a way that is beneficial to the environment.

The next phase, which is the introduction of the hookworm larvae, improves the gluten tolerance levels. The disease that the introduction of hookworm is expected to treat is celiac disease.

Using current research literature on behavioral issues and novel treatments for Down syndrome, this paper explores and discusses behavioral inflexibility, restrictive and repetitive behaviors, and Down syndrome's neurogenetic nature.

In the present experiment, a semi-microscale study of the IR spectra of the recrystallized product and raw materials is carried out to confirm the reaction between anthracene and maleic anhydride.

The ethics of gene editing from an Islamic perspective: A focus on the recent gene editing of the Chinese twins. This article will be the primary citation in regards to the many advantages of gene [...]

There is a brief visual description of the three scripts and a summary of the stela's initial function in Ancient Egypt.

Anthropology is the study of humans and their cultural, sociocultural, environmental, and geographical dimensions of survival in the past and present.

Keith further explains that the technology used in the production of potatoes is the same going to be used to produce strawberries.

One of them is agriculture, and its examination from the selected perspective seems reasonable in order to reveal the interrelation of the above concepts alongside the importance of sustainability.

Interestingly, even these domestic dogs that are seen as belonging to the same species cannot interbreed as in the case of interbreeding Chihuahua and a Great Dane. Generally, animals belonging to the same species are [...]

Most people in the grocery and farm product wholesales are immigrants and account for the largest agricultural and food processing workers in the United States.

In the scientific world, gradual body change is a common occurrence witnessed in many parts of the world over a couple of years. In conclusion, the mutation causes a physical dysfunction and change in the [...]

An essential condition for the transition of substances to the state of liquid crystals that is for the potential for the existence of such materials is the presence of an asymmetric form of the molecules.

The main elements that constitute the definition of NMR include a magnetic field and an oscillating magnetic field. In spectroscopy, a sweep generator may be used to produce a magnetic field equal to that passed [...]

Aesculus hippocastanum is not picky about food and can grow for a long time in the shade and on sub-hourly soils.

000510?-1, and k-1 = 0. 000684?-1, and k-1 = 0.

More specifically, one of the most known anthropologists used a controversial approach in studying the everyday life of the Venezuelan tribe Yanomami concerning the falsification of facts and misinterpretation of cause-and-effect relationships.

It originated in Asia and Europe first and then was introduced to the U.S. The plant is common in 27 states of the U.

The structure of the proposal follows the logical layout, beginning from the background of the issue through the methodology to problem significance and research innovation.

The present study seeks to address the gap in the research regarding the executive function of VWM and consciousness. This study will follow a modified structure of Bergstrom and Eriksson experiment on non-conscious WM to [...]

Greece was selected due to its rich history and significance to the modern world as a first place to embrace reason. It is an agro-industrial country belonging to the category of developed ones.

Atlantic City is a great city that provides an opportunity to grasp the whole place without spending a lot of time on the road since the city is relatively small in both size and population.

Further, I will describe the three things I learned during the course: the structure and functions of proteins, Mendelian genetics, and genetically modified organisms.

The visit to the National Museum of Egyptian Civilization was a great addition to the themes learned in class. The observed artifacts demonstrate the peculiarities of life and culture of the Egyptian people.

In particular, they were used in the rituals of protection of the land and the king, which were conducted in temples to eliminate the enemies of the king of Egypt.

A, changing the PM's permeability allowing entry of materials that may be harmful to the cell, and denaturing Proteins that make up the mosaic.

However, it is crucial to choose the right type of water, as in some cases, it can lead to a deficiency of vitamins, including B12.

The salivary glands contribute to the breakdown of the nutrients in the mouth while the pharynx directs the eats to the esophagus.

However, it may also be necessary to understand the limitations of such a study and consider the possibility of a coincidence.

In the folklore of the French Pyrenees, there is a touching legend about the origin of the breed. The dog will not obey a person of weak character and nervous.

Hippocampus plays an essential role in the memory formation process because it is the part of the brain where short-term memories become long-term memories.

The paper includes the concept of NOS in the understanding of RNAi and its application in medicine and research. In conclusion, I formed a particular picture of the world based on generalization, systematization, and coordination [...]

Coal air pollution in England in the 19th century made the environment for dark-colored peppered moths more favorable and degraded it for light-colored ones.

Stress is a non-specific body reaction that occurs under the action of various extreme factors that threaten the violation of homeostasis and is characterized by stereotypical changes in the function of the nervous and endocrine [...]

It provides examples of scientific research about the application of stem cells in the process of the regeneration of bones and teeth.

After all, an embryo is recognized as a living organism, and for cloning experiments, embryo cells would have to be killed in the research.

Due to human activity, artificial earthquakes occur, and their number increases every year following the strengthening of destructive human impact on the planet.

As the centromeres of a cell align among the spindle equator, the genetic material of the maternal cell is duplicated, which allows for the two daughter cells to emerge.

It was shown that the higher the concentration of the polymer in the solution, the slower it flows through the vertical capillary.

The information in the article is very reliable as the study was conducted through a scientific procedure to reach a conclusion.

Neuroscience studies how the brain works and what is the structure of the brain. It is important to understand the anatomy, physiology, biochemistry of the brain, and to correlate them with the behavior.

The importance of the integration of indigenous knowledge and teaching into the classroom is explained by the need for knowledge sharing, which may bring peace between indigenous and non-indigenous people.

The national culture is considered to be formed under the influence of specific natural and climatic conditions, in the context of a unique cultural and historical development, and under the influence of various religions and [...]

Even though it is hard to predict all the outcomes of genetic modification and cloning, I would suggest using CRISPR Cas9 in treating retinal diseases such as the one described in the case study.

Yes, the hypothesis is testable since the number of different species could be caught and counted and a diversity index calculated.

Data mining regarding the classification of iris flowers will be important in identifying the existing iris species, outlining the structural differences between the various species, identifying the possible causes for the differences, and underpinning potential [...]

The neighborhood chosen for this assignment is Astoria, located in the borough of Queens, New York City. The neighborhood is well-connected with other parts of the city by various types of public transport and is [...]

Compared to the European colonies and society that wanted to conquer and defy the outer world, Indians paid more attention to their well-being and stimulation and facilitation of their irrigation systems and trade networks. As [...]

However, viruses cannot sustain themselves and are not capable for independent replication, hence, it is not a living organism. To conclude, viruses are on the boundaries of the living and non-living area.

Among them are galactose and fructose, with galactose being the optical isomer of glucose, while fructose is the structural isomer. On the contrary, while glucose and fructose can be found in natural sugars, especially in [...]

Around the world raises the number of experiments on reducing the percentage of sick children, as well as modifying genes for appearance and character.

This type of medium is standardly used to isolate Gram-negative bacteria, with a source of nutrients in the form of carbon and nitrogen from the casein hydrolysate that is part of the C-CNA.

The first picture demonstrates the areas of the settlement of modern humans' predecessors, namely, Homo erectus, Homo neanderthalensis, and Homo sapiens, as well as the times of the migration of Homo sapiens to different regions.

This study has not yet been finalized to the extent that scientists can allow it to operate in the conditions of real people. In this regard, scientists should continue to work on the development of [...]

E Coli is a common type of bacteria that is found in the intestines of human beings and the gut of several animals.

As Atlas contemplates the existing monuments of the 20th-21st centuries, he writes about the great nations of the past, such as the Roman Empire, that never thought it would collapse in the way it did.

In addition, the government of the United States is urged to increase the funding of policies that promote a higher standard of living in the country.

Loss of function of suppressor genes resulting from mutations becomes the cause of cancer development: the cell divides abnormally, increasing the cell mass of the tissue.

This discovery invalidated the eukaryote-prokaryote dichotomy by revealing the concise division of the 16S rRNA tree into three primary branches, which was later distinguished as the three life domains: Eukarya, Archaea, and Bacteria.

Its purpose is to "test the validity and reliability of a scale that measures pregnant women's attitudes and decision-making concerning prenatal Down syndrome screening and diagnosis in urban areas of Taiwan".

One feature which is common for both types of cell models is the tissue of origin both of them stem from, which means that to some degree, they share the same genetic makeup.

Nevertheless, color blindness genes may be carried by the non-color-blind female and transferred to future generations. Depending on the mutation, inherited color blindness may be congenital or may reveal itself in childhood or adulthood.

An example is a cellular fermentation, a pathway of breaking down sugars in the absence of oxygen. Yeast is one of the organisms that perform this procedure in the presence of a substrate to produce [...]

The introduction also encompasses the description of the researchers' procedure, addressing the aim of examination and stimulation of the electrical signals in plants.

As for the genetic modification of animals and insects, it can also be beneficial. In the case of humans, there must also be clear boundaries for modification.

This is achieved when one-third of vegetable and two-thirds of animal fats are used in the diet. The sources of dietary lipid in food are fats used in food preparation and those contained in food.

The amniotic egg evolution is an adaptation that allowed the first reptiles to thrive in a dry land the development occurred over 300 million years ago. The robust shell protects the egg from drying out, [...]

To cope with the hardships of food supply, Japan needs a flexible and robust regulation in the food and agricultural fields.

The dependent variable was the ability to identify and mark the member states on the provided blank map. On average, the participants correctly identified 23 states on the map, with three people labeling all 50 [...]

In the above table, humans rely on bees to facilitate pollination among food crops and use their honey as food. Concurrently, lichens break down rocks to provide nutrient-rich soil in the relationship.

The body's response to such signals often results in sweating, one of the most visible manifestations of the thermoregulation in the human body.

Thus, in this particular report, the interpretation of the findings discovered during the excavation is strictly subjective, based partially on the existing knowledge of similar sites and the regional specificities.

The central part of the system is located in the brain and spinal cord, and all reactions appear there, while the peripheral one operates all over the body to deliver the signals to the organs.

He noticed that there was a variation in the size of the bore stems and thought to himself that maybe there is a correlation between the bore stem size to the year it was created [...]

The largest religions in terms of the number of followers in Russia are the Russian Orthodox Church, Islam, Judaism, and Buddhism.

The story of the Tomb of Qin Shi Huang begins in 1974 when farmers from Xi'an dug into one of the fascinating excavations of the 20th century.

Despite the advantages of old methods of finding food and the disadvantages of agriculture, the transition could occur due to the human factor.

The excellent functionality of the different parts of the body, including the hand, thigh, neck, girdle, pectoral, and legs, are critical for the normal functioning of a human being.

The paper contains the discussion of the standardized procedure for this diagnosis, suggests how the present experience would affect the medical practice concerning this kind of epilepsy.

The article's findings showed that in terms of spawn participation, quivering frequency, and nest fidelity, captively reared transgenic counterparts were outperformed by wild anadromous males.

The emergence of the Mendelian genetics in the 19th century and the discovery of DNA structure by James Watson and Francis Crick in the 20th century have paved the way for the development of molecular [...]

Australian libraries have, in some ways, contributed to the misrepresentation and underserving of the Indigenous community, which has overarchingly perpetuated levels of distrust towards information systems.

Economic analyses and resumes provided in this paper state that the safety and protection of shorelines are paramount to Florida tourism, and that the destruction of these shores are going to hurt the economy of [...]

The method used to determine the unknown compound is called Gravimetric analysis. According to Helmenstine, the gravimetric method is used to measure the compound's mass.

The objective of the experiment was to determine the elemental concentrations of ten ayurdevic drugs obtained from the neighboring markets. The introductory part of the report is not exhaustive, especially in the techniques that can [...]

The plasmid vector pTTQ18 and the GFP PCR product will be digested with restriction enzymes and the desired DNA fragments obtained thereof will be purified by Polyacrylamide gel electrophoresis and ligated with DNA ligase resulting [...]

One of the studies dedicated to the issue of the gene-environment interaction of fragile x syndrome in twins was performed by Willemsen et al.

As for the second array of the reasons why chemistry is really important, they are concerned with people's ability to produce various products.

First, artificial kidneys are claimed to prolong the lifespan of patients with kidney problems. Artificial kidneys are hoped to improve the convenience, and effectiveness of dialysis.

It then progresses to the pupil, where the size of the pupil varies depending on the intensity of the incoming light, a phenomenon referred to the as pupillary light response.

Due to the anatomy of the lymphatic system, it is sometimes thought to be part of the main circulatory system in the body.

In the production of human insulin, scientists use recombinant DNA technology to insert insulin DNA into bacteria, which under optimum environments multiply into numerous replicas containing insulin. This is done in order to facilitate replication [...]

The objective of this experiment was partly to determine the behaviour of PH curve of a triprotic acid and hence determine its pKa value, and on the other part to determine the concentration of an [...]

The first was to determine the unknown concentrations of samples A and B using linear dilution while the other employed the serial decimal dilution method.

NK cells were first discovered in 1975 as lymphocytes of the innate immune system that can kill leukemia cells in vitro without previous sensitization: Since then, NK cells have been revealed to play an important [...]

For example, it can be between plants and plants or animals and other animals or animals and plants, whereby the survival of one is threatened or lowered by the existence of another especially when there [...]

Some of the basic parts of the brain include the cerebral cortex lobes namely; the temporal lobes, the frontal lobes, the occipital lobes, the parietal lobes, the prefrontal cortex, and the limbic system.

The reliable tests for conducting genetic testing should be more than one in order to remove the element of doubt on matching DNA bands.

Tests are most likely to identify existing changes of DNA and the proteins related to DNA, which are responsible for the structure of the DNA and the availability of other elements related to the DNA.

At this point, it is crucial to mention that the discovery by the Salk institute is just a beginning of a long scientific journey that is anticipated to culminate in a comprehensive and conclusive study [...]

These DNA microarrays are used by scientists in order to determine the appearance levels of a big number of genes, and also to the manifold region of a genome.