Sciences Essay Examples and Topics. Page 21

4,757 samples

Bacteria Identification: Enterobacter Aerogenes

However, it is sensitive to most of the antibiotics specific to the bacterium although the sensitivity is easily lost due to its unique mechanism for resisting antibiotics particularly through the production of lactamase enzyme.
  • Subjects: Biology
  • Pages: 4
  • Words: 1096

Carbon Monoxide (CO) Poisoning

Carbon monoxide poisoning is a situation where the inhaled amount exceeds the acceptable levels and cause undesired effects to one's body. This is one of the main laboratory evidence of carbon monoxide poisoning which was [...]
  • Subjects: Biology
  • Pages: 4
  • Words: 1169

Glyceraldehyde-3-Phosphate Dehydrogenase Role

Just as it is indicated in the full name of GAPDH, it is an enzyme that is responsible for the catalysis process, which takes place in the sixth step of glycolysis.
  • Subjects: Biology
  • Pages: 3
  • Words: 925

Invertebrate Exhibit: Cockroaches

The roach has a rich, reddish, brown color, and the body is covered with a brittle exoskeleton made of chitin. The head and thorax are connected by a flexible tube made of an articular membrane.
  • Subjects: Zoology
  • Pages: 2
  • Words: 568

Analysis of Sampling Methods

Regarding the convenience sampling method used in the study by Maloney & Weiss, it can be stated that due to the study design, the elements did not have equal chances for being selected and the [...]
  • Subjects: Scientific Method
  • Pages: 2
  • Words: 623

Inherited Mutant Gene Leading to Pompes Disease

The main challenge in treating the disease lies in the manner in which it rapidly progresses and the high rates of mortality associated with it. The insufficiency of GAA results in accumulation of glycogen in [...]
  • Subjects: Genetics
  • Pages: 9
  • Words: 2564

The Rhizoremediation for Plant

The structure of the DNA dictates the external features the plant express which have widely been used to determine the kind of a plant environment in which they fit.
  • Subjects: Biology
  • Pages: 6
  • Words: 1903

Staining as a Way to Identify Microorganisms

This procedure is applicable in the study of micro-organisms or the identification of the sample is unknown. Firstly, the gram stain technique is used to distinguish gram-positive and gram-negative bacteria, and the acid-fast technique is [...]
  • Subjects: Biology
  • Pages: 3
  • Words: 572

Acute Acrylonitrile Toxicity

The metabolism of acrylonitrile is via multiple pathways but the main one involves the pairing of acrylonitrile with glutathione-S-transferase as a catalyst.
  • Subjects: Chemistry
  • Pages: 2
  • Words: 556

Ethical Issues in Tissue Engineering

Tissue engineering involves the manipulation of embryonic stem cells to grow into an organ of desire. One of the most debated issues is the use of embryonic stem cells.
  • Subjects: Scientific Method
  • Pages: 2
  • Words: 558

Epigenetics of High Fructose Corn Syrup at a Molecular Level

Increasing or decreasing the amount of glucose concentration level in the blood, directly affects the concentration of fructose in blood, since they all act as determinants of the overall blood concentration In this case, high [...]
  • Subjects: Genetics
  • Pages: 2
  • Words: 755

Chemistry of Organic Contaminants

The essay will discuss the biotransformation and bio-degradation of significant groups of organic contaminants, the major reactions and the enzyme accountable, experiments design and aspects that determine their ecological significance.
  • Subjects: Chemistry
  • Pages: 13
  • Words: 3567

Analysis of the Brine Shrimp

The Brine shrimp, which is also known as the Sea monkey, has been used in the modern world as food for fish and is of high quality because it can be grown using the aquaculture [...]
  • Subjects: Biology
  • Pages: 3
  • Words: 811

The Benefits of Sharing Knowledge About Diabetes With Physicians

In this research, 3600 diabetic patients were surveyed from twelve hospitals, but due to exclusion criterion, only 1,200 were considered for this particular research. The system allocated numbers to the participants out of which 100 [...]
  • Subjects: Scientific Method
  • Pages: 3
  • Words: 891

Botany: The Beavertail Cactus

Phylum Angiospermae is known to dominate the land because it consists of the highest number of species in the kingdom Plantae. Beavertail cactus exhibits several structural modifications in the leaves, stems, roots and flowers.
  • Subjects: Biology
  • Pages: 2
  • Words: 568

Kirchhoff’s Rules and Electric Power

The objective of this experiment was partly to investigate the current-voltage behaviors of a resistor and a bulb and, to investigate the effect of length on the resistance of a wire.
  • Subjects: Physics
  • Pages: 4
  • Words: 1268

Comparison Mercury Testing in Fish Tissue Samples

For validity and reliability of the results, sample blanks are analyzed alongside the samples to ensure that no contamination is carried over to the next sample and also to check the accuracy of the analytical [...]
  • Subjects: Chemistry
  • Pages: 2
  • Words: 623

Organ Systems: Functions and Malfunctions

Growth hormone, produced from the anterior side of the pituitary gland, is one example of the hormones that regulate essential processes in the body.
  • Subjects: Biology
  • Pages: 3
  • Words: 827

Staining Techniques: The Endospore Test

The next step included a smear by use of iodine for a minute and the stain was washed with water. A counter stain was added on the smear and left for a minute.
  • Subjects: Biology
  • Pages: 4
  • Words: 1151

Benadryl: Structure, Properties, Interesting Facts

The organic compound has the following structure: The compound is highly soluble in water and alcohol because it is a polar organic compound and has a molecular weight of 291.82.
  • Subjects: Chemistry
  • Pages: 2
  • Words: 671

Brine Shrimp Habitat

Not only in the natural water bodies can brine shrimps survive but also in artificial places as long as the water that they are in is salty.
  • Subjects: Biology
  • Pages: 2
  • Words: 534

UPLC With Fluorescence and Photodiode Array Detection

The poster is presenting a sophisticated chromatographic based method that ensures a specific and sensitive detection of compounds or substances like -blockers through the use of ACQUITY UPLC FLR detector that ensures optimization of excitation [...]
  • Subjects: Chemistry
  • Pages: 2
  • Words: 700

Electric Potential and Electric Field II

In the first setup the aim was to create dipoles and, consequently trace equipotential lines vital in predicting of the electric field patterns between the two point charges.
  • Subjects: Physics
  • Pages: 4
  • Words: 1303

Physics 51-Electricity and Magnetism

The objective of this experiment was to investigate the relationship between the electric potential and the electric field and hence, determine the electric field pattern and strength E between a pair of parallel conductors.
  • Subjects: Physics
  • Pages: 4
  • Words: 1393

The Factors That Affect Glycogen Synthase Kinase 3-β

The authors hypothesize that the factors that affect Glycogen synthase kinase 3- and 5-HT activities might interact in humans in the way that the genetic inhibition of the GSK3- counteracts the genetic inhibitions pathways of [...]
  • Subjects: Genetics
  • Pages: 2
  • Words: 594

Preparation and Properties of an Aqueous Ferrofluid

A ferrofluid is a liquid that contains very small pieces of a magnetic substance and hence acquires its magnetic properties when placed in a magnetic field. A ferrofluid primarily consists of small particles which are [...]
  • Subjects: Chemistry
  • Pages: 5
  • Words: 1385

Inhibiting Grass Growth by Salt

The practice results in an increase in concentration of salt in the soil and/or accumulation of salt on the foliage. Road salt inhibits the growth of grass.
  • Subjects: Biology
  • Pages: 2
  • Words: 591

Exfoliation and Dezincification of Corrosion

This type of corrosion is mostly found in brass, which is an alloy of copper and zinc. Cathodic protection is an electrochemical process used in reducing the detrimental effects of densification corrosion.
  • Subjects: Geology
  • Pages: 6
  • Words: 932

Qualitative Research and Evaluation Methods

The research endeavours to achieve a sample that bears the characteristics of the entire residents of Riyadh. This reveals that this is a purposive sample since it targets a population that possesses explicit requirements, solely [...]
  • Subjects: Scientific Method
  • Pages: 2
  • Words: 598

Counterarguments to Human Cloning

One of the most controversial is the attempt to reproduce an exact replica of a human being through the process of cloning.
  • Subjects: Evolution of Humans
  • Pages: 3
  • Words: 851

Energy Intake and Expenditure Analysis

Determination of relationship between energy intake and energy expenditure is therefore important aspect towards determination of maximal energy expenditure, optimization of fat expenditure as secondary source of energy after carbohydrates and capacity to achieve energy [...]
  • Subjects: Chemistry
  • Pages: 4
  • Words: 1366

Consideration of the Reproductive Systems

In fact, reproduction in living things is classified as asexual or sexual depending on the nature of the reproduction. Cell division is essentially the process that occur in the cell, which lead to division or [...]
  • Subjects: Biology
  • Pages: 2
  • Words: 570

Ethics and Peer Review in Science

In the reference materials, the scientists have a central obligation of reporting the estimated volume of species. Estimation of the number of species is a tough challenge due to the enormous array of organisms.
  • Subjects: Scientific Method
  • Pages: 2
  • Words: 586

Evidence for Biological Evolution

The interconnection between life and evolution remained a mystery until the radiance named Charles Darwin illuminated the scientific world with a novel piece of work titled "On the Origin of the Species using Natural Selection [...]
  • Subjects: Biology
  • Pages: 2
  • Words: 563

Statistics: Data and Business Decision-Making

This paper aims to find out the type of customers who patronize the business in terms of gross annual income, gender, marital status, family status, employment status, and distance from the store. Different customers see [...]
  • Subjects: Statistics
  • Pages: 10
  • Words: 2766

Modern East Asians and Denisovans Share Genetic Material

The researchers did not explain the specific mode of delivery of the genetic material through hybridization thus it must be assumed that the Denisovans in Siberia were able to travel to Southeast Asia and intermarry [...]
  • Subjects: Anthropology
  • Pages: 6
  • Words: 1671

Structure and Evolution of Plants

The brown color they have is derived from the presence of brownish carotenoids they have in their cell chloroplasts. Phototropism has been defined as the tendency of plants and some fungi to grow in a [...]
  • Subjects: Biology
  • Pages: 3
  • Words: 1126

Uranium Mining and Issues Tied to It

Because the effects of radiation can be far reaching on the health of the workers and the people living in close proximity to areas where uranium is mined authorities should ensure that they provide information [...]
  • Subjects: Chemistry
  • Pages: 6
  • Words: 1863

Evolution: Debunking Darwin’s and Lincoln’s Contributions

Although this statement is intended to demonstrate how life has generally evolved owing to the immense contributions of Darwin in the sciences and Lincoln in politics and democracy, it lacks merit as there were other [...]
  • Subjects: Evolution of Humans
  • Pages: 4
  • Words: 1190

Theories of Galaxy Formation and Evolution

How the first galaxies were formed and the way that they have evolved and the physical processes that have resulted to diverse structures in the adjacent galaxies form the basis of the theories that attempt [...]
  • Subjects: Astronomy
  • Pages: 9
  • Words: 2474

Asbestos: History, Uses and Harmful Effects

The serpentine asbestos is usually white in color and is found in almost every part of the world. The use of asbestos is still common in China and Russia.
  • Subjects: Chemistry
  • Pages: 3
  • Words: 895

Flash Chromatography Overview and Analysis

Pour the elution solvent to the silica gel then, using a gas pump, force the solvent through the silica. Without disturbing silica's top surface, the dissolved sample in the elution solvent is then gently applied [...]
  • Subjects: Chemistry
  • Pages: 2
  • Words: 607

Religious vs Scientific Views on Genetic Engineering

With the need to increase the global economy, the field of agriculture is one among the many that have been used to improve the commercial production to take care of the global needs for food [...]
  • Subjects: Genetics
  • Pages: 3
  • Words: 826

Description of the Human Auditory System

The outer part of the ear is the pinna also referred to as concha. It is a cavity that resonates with the sound waves from the pinna to the middle ear.
  • Subjects: Biology
  • Pages: 3
  • Words: 858

Indirect Definition of the Unit of a Penny Weight

The beaker containing all the available pennies and, also the beaker plus half the number of pennies were to be separately weighed and recorded initially before the commencement of the experiment.
  • Subjects: Chemistry
  • Pages: 2
  • Words: 688

Tensile Testing of Steel Bars

The behaviors of stress-strain curves vary in steel owing to the degree of carbon concentration in the compound. The yield point is defined by upper and lower yield points with the later happening when the [...]
  • Subjects: Formal Sciences
  • Pages: 2
  • Words: 592

Biological Insect Control: Augmentation

However, I need to clarify that the control is only due to the natural enemy and not the progeny as no reproduction of the natural enemy is expected.
  • Subjects: Biology
  • Pages: 12
  • Words: 1260

The Gay Gene: Understanding Human Sexuality

If this gene existed and it was similar to a gay gene, it would explain the difference in gay people. If this happened, there would be a great change in the way gay people are [...]
  • Subjects: Genetics
  • Pages: 4
  • Words: 1219

Evolutionary Theory: Misconceptions Analysis

This is why scientists argue that when it comes to evolution, it is both a fact and a theory. It is a random mass of code that may be serving a certain purpose in the [...]
  • Subjects: Evolution of Humans
  • Pages: 3
  • Words: 824

Inhibitory Influence of Salt on Grass Growth

Prediction: It was predicted that if salinity was increased in certain regions of the growth medium, then growth rate in such regions was likely to be low, and vice versa.
  • Subjects: Biology
  • Pages: 2
  • Words: 508

Honey Bees: Reasons of Disappearance

The disappearance of bees from beehives is correlated to the occurrence of both the virus and the fungus at the same time thus the interaction of these two pathogens play a crucial role.
  • 5
  • Subjects: Zoology
  • Pages: 4
  • Words: 1289

Lipids: Fatty Acids and Glycerols

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.
  • Subjects: Biology
  • Pages: 3
  • Words: 916

Enzymology and Catalytic Mechanism

The main substrate of the enzyme Fructose B or Fructose-1-P Aldolase is Fructose-1-Phosphate. Following graphs depict the effect of enzyme Aldolase B on the amount of Ea required for breakdown of fructose to Glyceraldehyde and [...]
  • Subjects: Chemistry
  • Pages: 4
  • Words: 1599

Coffee in the Development of High Blood Sugar

These high levels of glucose in the blood may even lead to the death of the victim. The net effect of this condition is high glucose levels in the blood plasma of the victim.
  • Subjects: Biology
  • Pages: 4
  • Words: 1126

Nanoparticle Titanium Dioxide (Tio2) Effect on Health

On the other hand, the small size of titanium dioxide nanoparticles is also a risk factor because they can easily penetrate the cells, resulting in cell photocatalysis and damage to DNA upon exposure to the [...]
  • Subjects: Chemistry
  • Pages: 3
  • Words: 933

Transgenic Animals: Methods and Reasons For Creating

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 [...]
  • Subjects: Genetics
  • Pages: 8
  • Words: 2234

Developmental Biology: DNA and MicroRNA

This is augmented by the strengthening of patterns and the increase in the number of lateral cells that are crucial for the process to be successful.
  • Subjects: Biology
  • Pages: 4
  • Words: 1179

Aspects About Zebrafish – Eco, Physio, and Behavior

The development of the embryo of a zebrafish begins immediately after the hatching of the egg and if the eggs are not fertilized, the development of the embryo stops after a few cell divisions.
  • Subjects: Biology
  • Pages: 5
  • Words: 1400

Deoxyribonucleic Acid: Review

The goals of this experiment are: to enable us to become well acquainted with the physical characteristics of DNA by separating it from living tissue, and the use of each stage in the isolation process [...]
  • Subjects: Biology
  • Pages: 6
  • Words: 1666

Interesting and Relevant Applications of DNA Technology

Week One Activities Learning Outcomes DNA Technology in Laboratory Medicine Diagnostic Relevance and future prospects. Interesting and Relevant Applications of DNA Technology Areas Most striking and need further review in my career – modernized to detect pathogens from the clinical samples in the diagnostic hospitals. Preferred method of identifying organisms based on genomic make up. […]
  • Subjects: Genetics
  • Pages: 10
  • Words: 2982

New Generation of Microbe Hunters

The greatest fear of the doctors was the fear that the same thing could happen in their area and they would not be able to help the patients since the strain of the bacteria had [...]
  • Subjects: Biology
  • Pages: 2
  • Words: 605

Fourier Transformations and Images Analysis

The Fourier transformation that results from a rectangular image is similar to that of the x-ray image. It can be observed that noise is random in the circle image.
  • Subjects: Physics
  • Pages: 3
  • Words: 976

Collisions in One Dimension: A Physical Experiment

The objective of this experiment is to ascertain that when bodies are involved in an elastic collision, both the energy and the momentum are conserved unlike in a perfectly inelastic collision where only the momentum [...]
  • Subjects: Physics
  • Pages: 4
  • Words: 1362

Lyme Disease: What Is the Mystery Behind It?

Denying patient's treatment simply because long-term treatment is expensive and the symptoms are always likely to disappear after about a month of treatment is quite unethical.
  • Subjects: Genetics
  • Pages: 2
  • Words: 333

Uromastyx Aegyptius Salt Gland During Drought

Furthermore, the group of researchers pay attention to the fact that the "balance of water and ions is partly linked to excretion, the removal of metabolic wastes from the body", as a result, the role [...]
  • Subjects: Zoology
  • Pages: 4
  • Words: 1094

Bio-Refinery Processes and Product

In order to understand the potential of the spoiled dates in energy production, it is necessary to review the types of date seeds to determine their chemical composition.
  • Subjects: Biology
  • Pages: 2
  • Words: 603

Identifying Lyme Disease Host Species

This clearly shows that the reservoir potential of mice is high and hence an assertion that mice are the major hosts of B.burgdorferi and immature ticks.
  • Subjects: Biology
  • Pages: 2
  • Words: 586

Genetic Counseling – Tay Sachs Disease

In this case, there is a 25% likelihood of passing the gene to their children. This would be effective in preventing further passing down of the disease to their offspring.
  • Subjects: Genetics
  • Pages: 2
  • Words: 555

Physical Lab Experiment on Equilibrium of Objects

Through considering the measurements of the bodies with regular shapes, it was easy to locate the C.O. As a result, the body cannot balance if the pivot is not put at the center of gravity.
  • Subjects: Physics
  • Pages: 4
  • Words: 923

Viral Inhibitor of Human Caspases

This is especially so given the fact that throughout the development of this nematode, the number of cells in the organs is highly controlled and almost all mature C.elegans contain the same number of cells [...]
  • Subjects: Biology
  • Pages: 2
  • Words: 879

Constant Acceleration: Newton’s Second Law of Motion

This experiment is aimed at verifying Newton's second law of acceleration by investigating the acceleration of a glider on an air track acted on by an unstable force and evaluating the amount of work performed [...]
  • Subjects: Physics
  • Pages: 4
  • Words: 1313

Space Exploration Mission: Mars Reconnaissance Orbiter

The historical development of Mars Reconnaissance Orbiter is anchored on the dual mission which was targeted for in the 2003 Mars launch window; nonetheless, within the course of the drafting the proposal the MRO was [...]
  • Subjects: Space Studies
  • Pages: 11
  • Words: 3042

Camels in UAE and Australia

As of today, two species of camels are known to scientists: the dromedary and the Bactrian camel. The small population of Bactrian camels can still be found in the wild, but all the dromedaries are [...]
  • Subjects: Zoology
  • Pages: 4
  • Words: 1169

Liquid Mirror Telescope Technology

The history of liquid mirror telescope can be traced to Ernesto Capocci of the Naples Observatory in 1850, who described the concept of a parabolic mirror formed by rotating a vessel of liquid mercury.
  • Subjects: Physics
  • Pages: 4
  • Words: 1105

Toxicology: Is Water a Toxic Substance?

It is well known that the solubility of ethanol in water is unlimited. Toxicity could be a characteristic of the formation of the reactive oxygen species which can also be present in water.
  • Subjects: Chemistry
  • Pages: 2
  • Words: 550

Positron Emission Tomography (PET)

The interaction between the photons emitted in PET and tissues is also discussed in the article. In addition, the time window that is utilized determines the detection of these events.
  • Subjects: Physics
  • Pages: 2
  • Words: 561

Cells, Tissues, and Major Organs Systems

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.
  • Subjects: Biology
  • Pages: 8
  • Words: 2269

Desalination: Biofouling of Seawater Reverse Osmosis

Membrane fouling occurs as a result of the accretion of substances on/in/or near the membrane. More so, during desalination, the process is carried out in a way similar to the treatment of drinking water.
  • Subjects: Chemistry
  • Pages: 3
  • Words: 821

Richard Preston’s Idea of Nature

In addition, he has authored a number of books such as 'First Light', 'American Steel', 'The Cobra Event', 'The Hot Zone', 'Wild Trees' and 'The Demon in the Freezer'.'The Hot Zone' was published in 2002 [...]
  • Subjects: Biology
  • Pages: 6
  • Words: 1774

Psychiatric Genetics. Epigenetics and Disease Pathology

The switching on and off of the imprinted genes is the same regardless of the parental origin. The genome-wide DNA analysis revealed that there was a difference in DNA methylation of the glucocorticoid receptor gene [...]
  • Subjects: Genetics
  • Pages: 5
  • Words: 1503
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