Natural Sciences Essay Examples and Topics. Page 12

By definition, photosynthesis is a process whereby light energy is converted to chemical energy in the presence of CO2 and water.

The study of MZ twins offers fascinating insights that help researchers explore the link between the sequence of the genotype and the phenotype.

A majority of the energy consumption in the body is as a result of muscular activity. The ATP that is produced is adequate for the functioning of muscles.

To illustrate the main principle of the mechanism, authors have presented a simple scheme according to which the device encodes information and presents to the receiver.

Specifically, scientists strive to use the known and change them into "functional, efficient, synthetic systems that will tap the endless supply of energy coming from the sun".[1] Researchers believe that artificial photosynthesis can work on [...]

A bacterium is one of the organisms that undergo asymmetric division of cells hence does not undergo aging. In this bacterium, it is evident that the DNA process stopped because the stalk cell turned out [...]

Some of the diseases are spread when the agents are passed on from animals to humans through a process referred to as zoonosis.

The exceptional properties of polymers are determined by the extent and the organization of the molecular chain. According to Kurtz, the melting temperature is an indicator of the thickness and flawlessness of crystals.

The final practical involved the screening of the Southern blot and testing the Taq polymerase colonies to confirm the results obtained in the previous session.

However, the key challenge lies in maintaining the ability of the propagation of stem cells as well as deciding the type of cells that are formed.

The establishment of the exact products of the expression of certain genes calls for specialized molecular analytical procedures. This experiment had an objective to determine the gene expression levels of the genes encoding CHOP/GADD153, BiP [...]

Considering the structure in the figure above, it is evident that a molecule of water has a line of symmetry that can be traced through the water molecule, acting as a bisector of the angle [...]

The dark reaction which happens in the absence of light but inside the stroma utilizes CO2 and ATP to form sugars in what is referred to as the Calvin Cycle.

The striped dolphin is a highly susceptible host of the bacteria and poses and the most potent reservoir and source of transmission of the infectious agent.

Prior to this process, a preliminary process was done where the NR/S-X samples were subjected to a 24-hour drying process inside an oven and at a temperature of 95oC.

A mutation in the XPD helicase hampers the ability of the TFIIH complex to execute its functions because of the increase in the rigidity of the protein.

In the other common form of gene therapy, the modified gene cells are only corrected in the patient and the next generation does not get to inherit them.

My name is Hydrogen, and my name is usually denoted by the letter 'H.' I am the first born in a family of seven and our family name is Group 1. Due to my weight [...]

This is achieved since the process changes the composition of the renewable fuels into a form that is similar to normal fossil fuels used by vehicles.

The types of cement are based on the amount of tricalcium silicate, dicalcium silicate, and tricalcium aluminate found in the end product.

In addition to the MHD forces, the other force that acts on the bubbles is in the form of buoyancy and it originates from an anode.

The healing process of this material is almost similar to that of the aforementioned self-healing concrete except for the fact that the polymer uses the Grubbs' catalyst during the healing process while the self-healing concrete [...]

The researchers are fascinated by the ability of this compound to be detected by the taste buds of certain individuals and remain undetectable by others. 1To this end, the compound is of profound interest in [...]

In addition, the author of this paper makes a comparison between the structure proposed by the two biologists and the information provided in recent textbooks.

Second, the protocol was modified by raising the temperature required for labeling the bacterial cells."The third modification was the addition of 0 8% ethylenediaminetetraacetic acid to the A31 buffer used in the pretreatment of milk [...]

Circulation is "the movements of body fluids inside the animals from the place of formation to the place of its utilization" in a one-celled animal, cells exchange materials directly with the environment; this implies that [...]

Due to the rapid growth in the population and the rate of industrialisation in Sydney there has been an imbalance between the green spaces and the building open spaces.

In fact, low phosphorus and nitrogen supply in soils initiates the formation of these structures; with increase in supply of phosphorus and nitrogen leading to suppression in dauciform root formation. Caustis blakei is one of [...]

In this process molecules of carbon dioxide gas and water are combined in the presence of the solar energy and chemical energy is formed.

The aim of this experiment is to identify the pathogen responsible for Urinary Tract Infection in the patient and to prescribe suitable medication for the condition.

On the backdrop of the notion that corruption is an international issue of concern5, the aim of this paper is to evaluate the success of anti corruption strategies in Kazakhstan.

Dry Ice if put in water, starts melting, and soon it becomes gaseous, as the temperature of CO2 increases. If it is placed in a bottle, the gas pressure tears the walls of the bottle.

The experiment was designed to investigate the impact of temperature on the rate of Glycolysis. The experiment results demonstrated that the rate of Glycolysis increases as temperature increases which resulted in the acceptance of hypothesis [...]

In general, the differences between DNA samples are qualitative and quantitative, and this is explained by the fact that these are responsible for the key biological differences between humans and primates.

Due to a decline in number in the 1980s, the bird was declared as an endangered species under the Australian Environment Protection and Biodiversity Conservation Act 1999 and the International Union for Conservation of Nature.

Although the males have bigger muscles than the females, the latter have better blood flow during exercise, and use one hundred percent of the fibers in their muscles as compared to the former who use [...]

Precisely, the dissimilarity between the sex chromosomes entails the sizes of the chromosomes, the patterns of binding, the centrometric index, the heterochromatin characterization as well as the transcription loops of lampbrush chromosomes.

The goal of the experiment is to get the most suitable temperature that will allow for growth and the temperatures where there would be little or no growth of the microorganisms.

The next step in the experiment was also significant in ensuring the chemical components in the extracts are known and that the anti microbial activity is attributed to each of them separately.

Furthermore, the grape cultivar is a major contributor to wine quality because it determines the amount and type of the chemical components of aroma.

The sampling of Macroinvertebrate constitutes a very important aspect of analyzing a habitat due to the fact that Microinvertebrates are fundamentally vital in defining the health of streams where they habour.

When this condition is violated, the population is opened allowing individuals to move from one population to another hence creating a net flow of genes which results to genetic variations and consequently, to evolution.

One of the major mechanism through which gene expression is altered is addition where a base pair is added to the normal sequence hence changing the specificity of the protein that the code specifies.

In order to achieve this, the essay will endeavor to assess the differences in the shopping characteristics of customers visiting the two malls, and how these variations could influence the choice of the shopping mall.

The collection of relevant information gave the basis for the introduction of the organism about the evolutionary development and analysis of the characteristics typical of already existing species.

There was also a need from the people for the increase in the periods of storage of food. One of the greatest objectives of Louis was to craft France to be the most successful state [...]

Given the transportation of the substance in molten form, there is the likelihood of violent reaction with other substances like water and hence result in explosions in addition to producing gases that are flammable.

The most common of the implications of Clostridium perfringens is the gas gangrene which is the death of affected tissues starting with a wound in an anaerobic region especially in the limbs.

Humans are in a position to transform what is beneficial and what is not from time to time and are often unpredictably.

Most inorganic polymers come with different properties and characteristics hence the reason why they are used in different ways and for different things.

In the approach based on cells both the replicating molecule or the biological vehicle known as the vector and the foreign DNA fragment are cut using the same restriction enzyme to produce compatible cohesive or [...]

The vehicle for the test item was water and the test item was in powdered form, 98% pure and was stored below -200C and had an expiry date of Aug 2011.

The retention of IVCA in the circulatory system is based on the capacity of IVCA to exhibit reversible binding that contributes to the establishment of dynamic equilibrium.

During and after the duration of exposure, the observational studies, biochemical analyses, hematological tests, and histological studies that were conducted on the rats show that the biological responses in the rats did not differ significantly [...]

The male possesses a pair of the posterior penis, while the female has a conspicuous brood pouch located behind the thoracopods.

This is after the realization that the present methods used fail to inculcate a learning culture where students become critical of science, including learning how to analyze scientific concepts and applying the knowledge learned to [...]

In accordance to Tay-Sachs disorder, the specialist is likely to provide the following information: the origin of the disorder, what factors contribute to the occurrence of the disorder, characteristics of the disorder, treatment if available [...]

Studies that have been conducted led to the observation of a spectacular difference that the number of red muscles was directly proportional to the length of the fishes.

The aim of this experiment was to determine the pKa and molar mass values of an unknown weak acid through titration.

The process of photosynthesis and fermentation was the main focus of the practical exercise. The role of the fermentation process to provide energy for the yeast cells is shown in this experiment.

Therefore, with the help of a refining process, Alumina is extracted from bauxite which in turn is converted into Aluminium metal with the help of smelting process. The process of refining the metallic ore in [...]

With the help of a pipette, a measure of 100 L of E.coli culture was spread at the surface of plates of minimal medium agar.

The results reveals the existence of SMOM in all the cases studied healthy subjects and ill patients in the form of fatty acids, phenyl-carbonic components, aldehyde substances, and alcohol, which are never usually synthesized by [...]

The hierarchical classifications can also be applied to the tree, while phylum, classes, orders, and the other elements of the taxonomy are represented by various locations in the branches In addition to the described elements, [...]

In the determination of the concentration of proteins in different body tissues, we carried out various laboratory experiments; in which various body tissues were tested for protein content.

In order to crash the prey, crocodiles have very sharp teeth and powerful muscles for holding the prey tightly within the jaws. The size of a crocodile depends on its ancient species.

As the population of the world increases on a daily basis, it is becoming more and more important for researchers and other stake holders such as government bodies and members of the medical community to [...]

It would be important in this report to analyze the chemical reaction nature of the wastes involved and expected effects to the environment keeping in mind the stream aquatic life and the human livelihood downstream.

A signal on a cell's surface is transformed into a particular cellular response in a sequence of responses referred to as a signal transduction pathway. The nature of a signal molecule is like that of [...]

Since the transfer takes place in a reaction there is always emission of energy. It is the main distinction in genome.

The sample which implied using chilled water has shown the latest initial, and effect of retardation) and final set ). 015 for the warm water sample, and 0.

The three reasons that Iran has become the first dictator country in the world are the absence of basic freedom, censorship of the media, and women's rights.

Lewis' language and the art of comparison he uses, bring this book to a height where it can be proudly called Poetry of Biology.

The first mentioning of shape memory materials was with the discovery of martensite in 1890, which was the first step for phenomenal discovery of the shape memory effect.

The na ve T cells in the secondary lymphoid; when they encounter an antigen presented on MHC of dendritic cells, they differentiate and proliferate into effector T cells, CD8 or CD4 T cells depending on [...]

The recent scholarly findings prove that invasions of Homo sapiens to the Austronesian and American continents were the major factors that conditioned the extinction of numerous animal species.

Some of those outstanding responses that attempt to define biotechnology include the application of integration of biology and technology, a promising field that deals with using organisms, and a field of science that uses biological [...]

It should be pointed out that the charge of the buffer is never equal to that of one of the proteins.

The question of the origin of life has been of great interest to many and this has led to the creation and evolution theory.

A slide cover slip was placed on top and then the slide was observed under bright-field microscopy at the different magnifications of the microscope.

For the fuel cell to operate continuously the reactants must flow into the cell, and the products out of the cell and the electrolyte must remain within the cell.

The major topic addressed by the article is the impact of natural selection, developmental process, and genetic makeup on the variations and existence of organic diversity. This will be useful in understanding the process of [...]

His main contributions were as follows: chemical changes like fermentation from the vital activities of yeasts and bacteria, a demonstration that air contains micro-organisms, the discovery of anaerobic life and terms aerobic and anaerobic, and [...]

The challenge that arises here is the understanding of how the selection is acting on the sex ratio of invertebrates. Other secondary sources of information that were used included the searching of the web and [...]

The study of the morphological and anatomical characteristics of the various organs is very important for the biological study of the plant's functioning and processes.

Warwick Anderson additionally states that the history of aboriginal health requires understanding of both the impact of colonization and the beginning of white nation-state.

The theory of prebiotic soup seemed to fill in the gap when Miller passed the electricity through the mixture of "water, methane, hydrogen, and ammonia" and obtained the "soup" in which the primitive life forms [...]

Men are twice as likely to be the victim of an assault or a robbery and 50 percent more likely to experience some crime of theft.

The fact that the fecundity in the cichlid is low and the large size of the eggs indicates that there is a high level of investment by the parents in every offspring.

There is a concept called "selection" where the drugs can eliminate those that have no resistance to the antibiotic and leave behind those that have developed resistance to the bacteriolytic effect of the drug.

It is the nucleus that contains the DNA of the donor. Its DNA structure is similar to the donor."The blastocyst is then transferred to the uterus of a surrogate mother".

The germinal epithelium was a preferred term over OSE because this outer ovarian epithelium was assumed to be the source of germ cells in embryos and adults, and besides this, pre-follicular and granulosa cells that [...]

Germ line gene manipulation is the alteration of genomic content of zygotes or gametes by inserting genes into the Genome of Germ Cells.

This paper elaborates the living conditions of the marine fungi, the studies that have been done so far on them, and the possibilities for the future finally discussing the results of the study being done [...]

After treating the outer membrane proteins with tetracycline or ampicillin and determining the differential properties for resistance offered at different concentrations of tetracycline minimum inhibitory concentration 10 and ampicillin 10. Results showed at the MICs [...]

Such pathogenic bacteria are transferred into the human body through milk intake, and at times antibiotics that are administered for the treatment of infection do not succeed in destroying the pathogens, causing a threat to [...]

However this is not seen in Drosophila as there is no crossing over in the male but inversions are seen more than translocations and fertility is decreased with single chromatid exchanges.

Although it can be conveniently stated that the adequacy, abundance and reliability of the global food supply has a major role to play in the enhancement of human life, in the long run, they influence [...]

Each laboratory pair performed a Gram stain using their culture tube to determine the relative proportion of these bacteria at the beginning of the experiment. The significant decline in abundance of gram positive bacteria at [...]

This research will concentrate with the biological studies of the oceans which generally refer to the study of the ecological characteristics, social and environmental interactions of the aquatic organisms in the marine.

Cloning is now considered to be an efficient means to grow plants in being the result of vegetative propagation while seeds are the result of the natural reproductive phenomenon of plants.

In 1979, Ray and Pat engaged Alvar Carlson, who was a professor of geography at as the editor in charge of the journal of cultural geography at the BSGU.

The results showed that the rate of release of oxygen determined the rate of rising of the leaf segment subject to utilization of carbon dioxide proving that the evolution of oxygen could be used to [...]

The fundamental theory of the study proposed that the time, space, and opportunity of the fishes were the main determinates of the reproductive pattern of male fishes in the context of sperm competition.

Diffusion is the process of movement of atoms from higher concentration region to lower concentration region. The activation energy of vacancy diffusion is high compared to interstitial diffusion.

When the solution is treated with an acid, the H+ ions in the acid will add to the COO- to form COOH. The electrode of a pH meter is placed in the solution and the [...]

However, the fundamental question lies in the paradox of the beginning of Life on earth. It dealt in particularities of life, and after identifying the particularities of the life of organisms, the next step was [...]

Hence, in the second half of the twentieth century the most of the attention was concentrated on revealing the secret of a gene.

Based on this idea and the observation that the absence of flight is beneficial to some species of stoneflies the researchers asked the question if insects lose flight before they lose their wings.

The main question being asked and analyzed in the research is how selection occurs, how it contributes to evolution processes, and three different modes of selection.

This Debye length depends on the concentration of the colloidal system and charge on the colloidal particles. This works on the principle of scattering of light by the particles in the colloidal system.

The gene alteration strategy enables replacing the specific unwanted genes with the new ones, which are more resistant and freer of the particular ailment, hence an essential assurance of a healthy generation in the future.

Thus, the biogeographic study's first question should be related to the search for the mechanism of dispersal of butterflies so that one of the subspecies turned out to be geographically isolated.

The identification of biological material during the study of local and co-located biocenosis is of serious importance to biogeographers. It seems clear that this technology has a high potential for biogeographical studies because PCR allows [...]

The study of the Southern Hemisphere is of serious importance in Earth research because this area is associated with attractive mechanisms of dispersal of living beings and geographic and thus reproductive isolation of species.

The nature of this mutation, which leads to disruption of the normal functioning of connective tissue, is the implementation of the gene knockout.

The objective of this paper is to provide a summary of the information exchanged during the weekly interactive sessions with the guest speakers.

A farmer can situate the sensor and controller alongside the crops and outside, respectively, to allow the effective tracking of the underlying conditions and to adjust input trigger values.

With the emergence of CCD and the various campaigns that followed in order to save the bee from extinction, several people have considered keeping bees in the urban centers.

Beef was the most often used meat for the restaurants due to its containing in burgers, however, in 2020, the tendency started to move in the direction of chicken consumption.