Biology Essays Examples For College & High School Students in PDF

10822 total results

An Introduction to Epigenetics (751 words, 2 pages)

As we all know now what epigenetics is what it does to our generation. In the ted Talk Courtney Griffin studied certain enzymes that help turn the genes on and off because we wanted to understand what genes are required for blood vessel development. Furthermore it also told us how ... Read More

An Introduction to the Analysis of the Digestive System (1891 words, 5 pages)

The Digestive SystemThe HeadWhen you enter the body through the brain, you come across the first component of the digestive systemthe hypothalamusa section of the brain the size of an almond. The hypothalamus controls the temperature of the body, hunger, thirst, fatigue, and circadian cyclesA daily cycle of biological activity ... Read More

In Young apes manage emotions like humans do (Emory Health Sciences, October 14th, 2013), the author, Zanna Clay and Frans B.M. de Waal expresses the evidence of how humans and apes share many characteristic of their emotional performance. The authors of this article show, that bonobos are capable of handling ... Read More

An Overview of the Silent Spring Book by Rachel Carson on Biology (870 words, 3 pages)

Humans today are more than ever industrializing away the nature that has once raised us. Rachel Carson, an acclaimed biologist, has written many books, specifically Silent Spring, in order to deal with the issue. American attitudes in 1962 toward this topic were very destructive with the accommodation that our fancy ... Read More

An Overview of the Accounting Profession in the United States (7143 words, 18 pages)

The Accounting profession is quite a complex profession it has seen its ups and downs due to the actions of few organizations and individuals that led to question the credibility and integrity of any accountant. A global financial crisis occurs due to major corporate failures in the economy. Corporate collapses ... Read More

The Ethics in Research When Using Human Participants (530 words, 3 pages)

Research is very valuable for a number of reasons. Not only does itexpand overall knowledge but correct and accurate research can translateinto improvements in practice and guidelines. However, occasionally thequest for knowledge interferes with ethical research practices. Thefollowing paragraphs will explore ethics in research when using humanparticipants. Legal and Ethical ... Read More

Faith, Confidence and Judgment in Working as a Volunteer at the Molecular Multi-Users Laboratory of the Smithsonian Tropical Research Institute (297 words, 1 pages)

Since I was old enough to remember, my mother has always said to me this three words faith, confidence and judgment faith that things will resolve themselves, confidence in your abilities and trust in your judgment. This kind and strong words have led me through the easiest and most difficult ... Read More

Nature vs. Nurture Debate Attempting to Answer the Question of How Humans Develop (609 words, 2 pages)

The nature vs nurture debate attempts to answer psychologys toughest question how do humans develop? All the theories that attempt to answer this question fall under one of three overarching paradigms, which in turn, lead to models of development. First, people explain our development solely on biology (interchangeable with nature ... Read More

An Analysis of the Topic of the Stem Cell Research and the Laws and Policies (802 words, 3 pages)

Stem Cell Research- Laws and PoliciesStem cell research is a field of science that studies specific cells, called stem cells, that have the capability to divide indefinitely. These cells can give rise to specialized cells for the purpose of therapy for diseases. Stem cells can develop into any type of ... Read More

The Scientific Question of Whether Viruses Are Alive (977 words, 4 pages)

Are Viruses AliveViruses are tiny infectious agents that reproduce only inside the living cells of other organisms. They can infect all types of life forms ranging from animals and plants to bacteria and Archea, which is why virus in Latin means poison. They can be found in almost every ecosystem ... Read More

An Introduction to the Method of Transportation of Stem Cells For the Purpose of Regeneration of a Damaged Tissue (273 words, 1 pages)

Due to the shortage of livers for liver transplants, stem cell biologist Takanori Takebe and his peers at Yokohama City University in Japan created mini-livers from stem cells that were used from human skin and genetically transformed them into embryonic form. These liver cells also organized themselves into three dimensional ... Read More

A View of Genetic Engineering in Bill Mckibben’s Article Designer Genes (1295 words, 4 pages)

For many years genetic engineers have changed the qualities and futures of plants and foods, and now are moving to changes to human embryos. In the Articles Designer Genes, Bill Mckibben discuss the reason people might considers genetic engineering. The articles introduces difference types of genetic engineering somatic engineering, germline ... Read More

A History of the Use of Batteries (1329 words, 5 pages)

Origins Batteries provide energy and power to many electronic goods used today. They power cars, phones, as well as computers. Many things would not be in use today without the battery. The first modern day battery was invented in 1800 by Alessandro Volta. But similar inventions were being used much ... Read More

An Analysis of the Effects on Osmosis Through a Dialysis Tube Due in Salt and Fresh Water Environments (1828 words, 7 pages)

THE EFFECTS ON OSMOSIS THROUGH A DIALYSIS TUBE DUE IN SALT AND FRESH WATER ENVIRONMENTSIntroduction Cells have been loosely defined as the building blocks of all living things. All cells are contained by cellular membranes, which provide structure for the cell (Cooper. G, 2000). The cell membrane is a semi ... Read More

Using the Physical Properties of Unknown Plastic to Identify Their Types (305 words, 1 pages)

Using the physical properties of these unknown plastic can be useful to identity their types. Using the density table as reference to identify these plastic samples based on density of them. In this experiment we got three different type of liquid with various density, which are water (1.0 gcm3), 30NaCl ... Read More

A Discussion on the Controversial Issue of the Use of Embryonic Stem Cells in the Purpose of Research (1659 words, 7 pages)

The use of embryonic stem cells for the purpose of scientificresearch has been a controversial subject as long as the ability to usestem cells has existed. While there are other forms of stem cell research,embryonic stem cell research is arguably the most valuable and has garneredthe most public attention. Many ... Read More

The Characteristics and Uses of Lavender (529 words, 3 pages)

LavenderLavandula the scientific name for lavender is actually part of the mint family. It was discovered in the times of the Old World, and now can be found in the regions of Cape Verde, the Canary Islands, Europe, across Africa, the Mediterranean, Southwest Asia, and Southeast India. Lavender is grown ... Read More

An Overview of the Four Lobes of the Brain (1105 words, 4 pages)

The Four Lobes of the BrainIm sure we have all wondered how the brain works. When people think of the brain, many mainly think of it as a whole and think that it works as one. Actually, the brain is split up into two hemispheres, the left hemisphere and the ... Read More

A Discussion on Genetic Engineering (1919 words, 7 pages)

Genetic engineering is defined as the deliberate modification of an organism whereby the genetic code of the organism is altered. This process is don through the removal of certain sections of the organisms DNA, and then the removed sections are replaced with a new section. The new elements that are ... Read More

A General Description of the SDS Method Used to Denature Proteins Based on Their Size (1645 words, 13 pages)

This protocol describes a method to separate denatured proteins using based on their size. SDS is used as a detergent and a polyacrylamide slab separates the proteins by utilizing various pore sizes while a constant voltage is passed through the gel causing the proteins to migrate through the gel. Laemmli ... Read More

The Determination of the Allelic Variation by Measuring the Fluorescence of Three Different Molecules (1504 words, 11 pages)

This protocol describes a method to demonstrate allelic variation within a population. Allelic variation can be determined by measuring the fluorescence of three different molecules VIC, FAM, and ROX. In this experiment, the gene encoding taste receptor TAS2R38 was the target of inquiry. FAM and VIC were the fluorescent probes ... Read More

An Analysis of the Pyruvate Kinase by Coupling Its Reaction with Lactate Dehydrogenase (2298 words, 17 pages)

Coupled reactions may be used to indirectly measure enzyme kinetics. This experiment sought to analyze pyruvate kinase (PK) by coupling its reaction with lactate dehydrogenase (LDH). The absorbance of nicotinamide adenine dinucleotide was characterized and used as a spectrophotometric indicator of reaction progress. The behavior of alcohol dehydrogenase was also ... Read More

The Determination of the Effect of Solvent Polarity on Fluorescence and the Characterization of ANS to BSA’s Binding Using Scatchard Analysis (1672 words, 13 pages)

Fluorescence is a highly sensitive way to study ligands binding to proteins using absorption and emission. In this experiment, aspects of the binding of ANS to BSA were characterized using Scatchard Analysis, and the effect of solvent polarity on fluorescence was also determined. The fluorescence technique also allowed for the ... Read More

An Essay on the Controversial Issues Surrounding Reproductive Cloning (865 words, 4 pages)

Controversy over Reproductive CloningCloning has long been a focus of science fiction and fantasy stories-doppelgangers, evil twins, and armies of identical soldiers are among themany examples of how cloning has captured the human imagination. Only inrecent years, however, has cloning become a biological possibility.Although we have a long way to ... Read More

The History and Developments Surrounding Nuclear Energy (4242 words, 18 pages)

IntroductionDespite being around for less than a century, nuclear energy has created a history rife with amazing scientific breakthroughs, and massive controversy. In the past, many countries and companies have embraced the advantages that nuclear energy can provide. However, certain historical events and continued debates about safety have made people ... Read More

An Investigation Exploring Patterns in Lacsap’s Fractions and the Rules for Finding the Numerators and Dominators of the Fractions (911 words, 17 pages)

1st Row1st RowThis investigation explores patterns in Lacsaps Fractions, developing general rules which illustrate the rules for finding the numerators and denominators of these fractions. I will start with the followingI initially noticed the followingRow NumberNumerator in Previous RowNumerator in Current RowDifference of NumeratorsRow Number Equals Difference?2132Yes3363Yes46104Yes510155Yes To find the ... Read More

An Experiment Conducted to Determine the Productivity of Photosynthesis of Elodea Under Different Colors of Light (5738 words, 18 pages)

QuestionHow will the productivity of photosynthesis for Elodea change under different colors of light?Note What is meant by productivity in this investigation is the relative number of reactions in photosynthesis which produce oxygen, measureable by comparing how much dissolved oxygen is extracted from the environment for use in cellular respiration ... Read More

An Examination of Escherichia Coli’s Affinity to Particular Carbohydrates (5702 words, 18 pages)

Table of ContentsQuestion....................1Background...........................1Hypothesis............................4Variables............................5Materials............................7Procedure..........................8Raw Data..........................10Processing Raw Data........................11Conclusion and Evaluation.......................16Works Cited........................20QuestionHow does the presence of glucose, sucrose, maltose, lactose, and starch affect the amount of growth of E. coli?BackgroundEscherichia coli, or E. coli, is a potentially infectious bacterium that can cause a variety of illnesses from diarrhea to pneumonia. The bacterium can ... Read More

The Study of the Effects of Sucrose on the Growth of Fungus in a Growth Medium (5538 words, 18 pages)

BackgroundFungal spores have a ubiquitous presence in the environment. Several factors foster their growth, including an abundance of moisture and supply of organic substances (carbon atoms). Additionally, like most other organisms fungi use sugar (specifically glucose) to create ATP during cellular respiration. This leads to the idea that more sugar ... Read More

An Experiment on Determining an Amount of M&Ms Inside a Bag by Using the Method of Standard Addition (724 words, 5 pages)

AbstractIn this experiment, I was given a brown paper bag filled with an unknown number of regular MMs, and I had to determine how many MMs were in the bag without opening it. To start, I weighed an empty brown paper bag to know how much weight I had to ... Read More

Biology Essay Examples