Natural Sciences Essay Examples and Topics. Page 9

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.

The above principle is used in this laboratory work, the aim of which is to evaluate the effect of the pH of the medium on the growth of microorganisms.

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.

The feedback loop essential components include the receptor, also known as a sensor, which detects changes in the body Remember that homeostasis is the ability of the body to maintain stable and balanced internal conditions.

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, [...]

This thought was the basis of this laboratory work, the purpose of which was to study the chemical and physical interferences for Calcium atomization and some of the techniques for overcoming them. The results of [...]

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.

Positive results mean that a patient has been diagnosed with the disease, and so treatment is essential to ensure the patient's good health.

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.

Referring to the weather map, Vancouver was at the northern periphery of the anticyclone and the cyclone's warm sector. The weather was characterized by the wind from the east at 16 km/h.

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 tail is about 31-53 cm, and the weight is 0.8-1.3 kg. The most interesting system of ring-tailed cats is the skeleton.

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.

The Komodo dragon is the heaviest carnivorous lizard on the planet listed in the IUCN red list as vulnerable. The current geographical range of this species is the Komodo National Park and Flores Island.

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 idea that the threat of having a cockroach infestation is in direct proportion to the elevation of the room remains a common misconception. The issue of cockroach infestation is not to be underrated.

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.

The development of the bionic eye came as a result of the impacts of retinitis pigmentosa. The camera sends the images to a bionic implant that is attached behind the eye.

Compaction and mixing are some of the important stages in the manufacturing process. As such, when it is hot, temperatures are high and the viscosity of the fuel is reduced.

The hypothesis of the second experiment process was that Elmer's Glue changes into a rubber-like material from a glue-like substance. After the second process of combining Borax solution with Elmer's glue, a rubber-like material was [...]

When it is disrupted in the reproductive organs, the changes are passed on to the offspring as mutations, which are mostly harmful to the organism and related to many deaths in the course of the [...]

A synthesizing buffer was added to provide the suitable environment required for the synthesis of the new DNA strand. The addition of T4 DNA polymerase was to facilitate the hybridization of the old and the [...]

Exercise stimulates the release of neurotransmitters that reduce anxiety and induce a slight sense of joy. Serotonin encourages delight to exercise regularly; after a long break, the stimulation decreases, and restart workouts become challenging.

The chemical synthesis of 4-chlorophenoxyacetic acid is realized through the reaction of nucleophilic displacement between anions of the 4-chlorophenolate anion and chloroacetate, the product of interaction of which is subjected to acetic acid treatment.

At the same time, the most widespread and constant causes of urbanization are connected with commercial activity and the availability of natural resources.

Such structures as sports fandoms and subcultures are the result of the social nature of people, who tend to associate and form communities.

Solving the problem is essential for securing Atropian independence and sovereignty from existing and potential separatist and insurgent challenges and addressing the root causes of the failure of the Government of the Republic of Atropia.

With the first signs of a change of season, the herd rushes north as an indispensable condition for survival in the cyclical nature of life.

The findings are indicative of the fact that monkeys with striate lesions under standard conditions, where the target stimuli were delivered without the removal of the fixation point, did not move their eyes or saccade [...]

Consequently, scientists investigated the opportunity to create unique microorganisms that would be able to produce the silk with nanocrystals in the same amount as in natural spider silk.

In addition, the data is presented simply and interestingly, which attracts attention and makes children less tired of learning. It gives kids the necessary knowledge from the field of zoology in a simple and beautiful [...]

It should be emphasized that the term ecosystem used in this paper is considered a natural community characterized by a constant cycle of energy and resources, the presence of consumers, producers, and decomposers, as well [...]

It is necessary to give the child a choice and feel the consequences of it. This method of cognition is fundamental in the education of children of American Indians and Alaska Natives.

The cool-season grasses grow appropriately in the spring and fall when the soil and air temperature are cooler. The native cool season grasses are therefore more excellent for farming in the native regions than the [...]

The saliva of humans and some mammals contains amylase: the enzyme that begins the chemical process of food digestion. I took the pollution of the environment with heavy metals and the effect on photosynthesis.

The inevitable consequence of unfavorable demographic trends in sub-Saharan Africa, the low income level of both States and the majority of the population is the extreme strain that the social infrastructure of the region and, [...]

If the power between the two atoms is the same they share the electrons and form a covalent bond, but if one atom's power exceeds the other, then one loses the electron or electrons to [...]

The clinical manifestations of chlamydial infection depend on the virulence of the pathogen, the duration of the stay of chlamydia in the body, the topography of the lesion, the severity of local and general reactions [...]

The amount of UV light depends on the latitude: the highest concentration is spread throughout the equator, while the areas close to the Earth's poles had it in scarcity. Both folate and vitamin D contributed [...]

The demand for Cannabis has grown in the most developed countries due to legalization of the cultivation and processing of Cannabis.

The experiment with chimpanzees proved animals perceive the reflection in the mirror as their own since they viewed and touched the red marks applied during sleep that could only be seen in the mirror.

In the process of determining the connections worth keeping, a person's brain takes into account their lived experiences and daily life, which in turn shape the direction of a person's neural growth.

Understanding the functions of the state system, and most importantly, the significance, essence, and content of these functions by the management and employees of the customs service have a severe impact on the formation and [...]

The efficiency of this instrumental method is built on the idea of close similarity in the structure of DNA molecules to be more precise, the arrangement of nucleotides in it between closely related species: the [...]

However, the dangerous psyllids have been a threat that discourages farmers from investing in the fruit due to the impact the disease has on the plant both in the short-term and in the long-term.

The site was previously excavated by the UK in the 20th century, but the finding's importance was underestimated. The building's proximity to the royal necropolis implies that beer had a ritualistic significance, which is supported [...]

Given this argument, the paper traces the history of Antarctica to fully explore how and why the claims came about, the individual claims of the countries and the treaty and the system it is included [...]

In ancient times, the Old Testament of the Bible, the Jewish Torah, and the Babylonian Talmud describe the pomegranate as a divine fruit conferring forces of fertility, good luck, and abundance.

The main functions of the testes are to produce testosterone which is main male sex hormone and generating sperm. The epididymis refers to the long, coiled tube at the back of the testicles.

Ellner believes that Chavez is still supported by his people, at least the majority of them, in support of this claim Steve points to the fact that Chavez' party won a majority of the gubernatorial [...]

The presence of ROS in excess causes oxidative stress in the body, leading to the oxidation of proteins and lipids and the transformation of their structures and roles in the body.

Firstly, it provides the field of paleoanthropology with precious fossils to analyze the hominin species. This complicated process leads to the creation of a face that combines both human-like and primitive traits.

The fact that the biological world probably evolved according to Darwin's way caused dissonance and denial in society, caused by contradictions with their usual picture of the world. It is a mistake to think that [...]

The sustainable development of the world countries in the context of increasing greenhouse gas emissions is impossible without the creation of measures to solve this problem, and China is no exception to the rule.

In addition, it can take the shape of cosmetic modifications, which change the overall basis of human uniqueness and the unalterable aspect of the human body.

Ilic and Ogilvie argue that this is a dilemma between the obligation of doctors and scientists to save lives and the need to destroy it in order to obtain stem cells.

The topic of this audio record is a variety of problems with sleep and their impact on an organism. They proved the aforementioned conclusion and also paid attention to the impact of sleep deprivation on [...]

The region is in the southern parts of Italy. It covers an area of 13,590 km², borders Mediterranean sea to the west, and located in the renowned Italian peninsula.

The bones in the snake are the last remaining parts of the pelvis though the snake's bones however, the snake does not have bones.

There is also a factor of disabilities that are life-threatening to a child, or illnesses that may be able to be fatal within the first few years of life.

The walrus forages on the sea floor and platforms of sea ice. They must live in shallow seas, especially close to the shores.

At the moment of the impact between pendulum and specimen, part of this potential energy is used to fracture the specimen.

As per current projections, the population of Senegal is projected to increase for the remainder of the century. Roughly 42% of the population of Senegal lives in the rural area.

According to, there are a number of scientists that were involved in studies with an objective of convincing the society as well as science that the molecule of heredity is DNA.

The following paper would outline a process which would allow the researcher to grasp an understanding of the way life is created in order to fulfill all the different functions and operations of a cell.

Antibiotic resistance The capability of a bacterial species to survive the impact of the administration of chemicals that are designed to induce death is known as antibiotic resistance.

One of the distinct cells in the blood or hematopoietic stem cell. Due to this functionality, the blood and skin cells' pose the greatest ability of differentiation and self-renewal.

The nutrients obtained by the plant are used in the growth and development of various plant parts. Thus, plants have mechanisms of regulating the distribution of nutrients and biomass to various parts of the plant.