Biology Essays Examples For College & High School Students in PDF

10822 total results

The Natural Selection’s Impact in Evolution (549 words, 3 pages)

Seleo NaturalEvolution is the process by which populations change over long periods. Evolution is the explanation as to why there are multiple species today. One of the main pathways by which evolution occurs is natural selection. Many scientists today highly value natural selections impact in evolution so much, that these ... Read More

An Experiment That Will Identify Transgenic Sequences in Cornmeal Using PCR (891 words, 6 pages)

Identifying Transgenic Sequences in Cornmeal Using PCRHYPOTHESIS EXPERIMENTAL DESIGNThe question that was of interest for the experiment was if the two unknown samples of cornmeal DNA given were transgenic or not. The hypothesis therefore was that the experiment would show that one unknown sample of cornmeal DNA would be transgenic, ... Read More

Making of a Bacterial Growth Curve in Order to Calculate Generation Times Among Bacteria (1247 words, 8 pages)

CulturingEnumerating BacteriaAbstractThe goal of the experiment was to make a bacterial growth curve in order to calculate generation times among bacteria. This was performed by using a spectrophotometer to measure the turbidity and absorbance values of bacteria culture. Also, the different stages of growth in batch cultures were found, and ... Read More

Determining if Cytokine Stimulation Could Cause a Cell Type to Produce Different Immune Factors (1635 words, 10 pages)

The Production of Immune Components Through Cytokine StimulationINTRODUCTIONOne of the main purposes of this experiment was to determine if cytokine stimulation could cause a cell type to produce different immune factors. IFN was also looked into to see if it could play a role in boosting the production of these ... Read More

Measuring the Amount of Antioxidant Activity in Various Berries (1726 words, 9 pages)

The Use of UV-Vis Spectroscopy to Measure Antioxidant Activity in BerriesAbstractThis experiment was performed with the purpose to measure the amount of antioxidant activity in various berries. The experiment is relevant because it describes the health benefits that antioxidants can provide from consuming certain berries. It was found that the ... Read More

Determining the Cellular Concentrations of RNA, DNA, and Protein Within a Mid-Log Phase E.coli Sample (1514 words, 10 pages)

Using Spectroscopy to Determine RNA Protein Concentrations of a Culture INTRODUCTIONThe purpose and overall objective of these different laboratory experiments was to determine the cellular concentrations of RNA, DNA, and protein within a mid-log phase E. coli sample. Certain techniques were used to determine these concentrations. One method was preparing ... Read More

How Bacteria Are Identified Through Experimental Tests That Are Performed (714 words, 4 pages)

Identifying Unknown Bacteria using Experimental Results Virulence FactorsINTRODUCTIONThe importance of the study is to show how bacteria are identified through experimental tests that are performed. A Gram stain of a young culture is typically the first effort towards the identification of an unknown bacterium (Fenollar and Raoult 2000). The determined ... Read More

A Report on a Lab Test Examining the Speed of Binary Fission For Saccharomyces Cerevisiae (481 words, 2 pages)

Reproduction, that magical mechanism that allows the genetic information of one generation to be passed on to the next, but reproduction isnt all red wine and Barry White. For some species the normal tango for two that is sexual reproduction is reduced to a fast and frenzied solo maneuver known ... Read More

A Study on Microbes (483 words, 2 pages)

Microbe SafariIntroductionOver the last several weeks in lab we have studied living and nonliving microbes from safe and predetermined sources, growing colonies of bacteria with adequate foreknowledge as to what results we would see. Knowing that in the real world of microbiology bacteria as a whole are extremely difficult to ... Read More

The Review of an Article on the Topic of the Growth of Pseudomonas Aeruginosa in the Wounds of Burned Victims (605 words, 3 pages)

This article has researchers attempting to inhibit the growth Pseudomonas aeruginosa in the wounds of burn victims in hopes of preventing deaths of burn related injuries. Immediate medical attention is known to halt most major infections, but secondary infections are an issue all their own. The major problem that these ... Read More

An Overview of the Muscular System of the Human Body (2762 words, 12 pages)

The human body has a vast muscular system that consists of three types of muscles cardiac, skeleton and smooth. Despite their differences, all muscles use the same physical method to contract, electrical potential differences, also known as voltage. All muscle cells have a dipole layer across its membrane which is ... Read More

Technological and Scientific Accomplishments in Ancient Rome and India (1008 words, 4 pages)

Technological and Scientific Accomplishments in Ancient Rome and IndiaAncient India and Ancient Rome were very different in regards to their approaches to scientific, technological and mathematical developments. Advances in technology, science and math have always been critical points in time. These achievements can be great on their own, as well ... Read More

The Three Major Benefits of Genetically Modified Organisms (684 words, 2 pages)

Benefits of GMOsGenetically Modified Organisms have recently become a very popular topic which has been heavily debated on. The individuals opposing GMOs tend to be luddites who are both nave and fearful of the greatness which technology can bring to the human species. Three major benefits of using GMOs to ... Read More

The Effects of Temperature on the Metabolism in Ectotherms and Endotherms (1775 words, 8 pages)

Metabolism in ectotherms and endotherms effects of temperatureIntroductionMetabolism is the set of all physical and chemical processes in the body that convert or use energy (Metabolism MedlinePlus Medical Encyclopedia). It is used to sustain life. An animals metabolic rate is its total rate of heat production. The units used for ... Read More

The Atmosphere, Surface and Dust Storms of Mars (953 words, 4 pages)

Mars Atmosphere If you were to live on Mars, what would it be like? It would bemassively different than on Earth. Mars is the fourth planet from the sun.Its orbital period is 687 days, which means it takes 687 days to completeone cycle around the sun. It has two small ... Read More

The Different Perception About Abnormality in David’s Article, Constructing Normalcy and Singer’s Article, From the Medical Gaze to Sublime Mutations (1251 words, 5 pages)

Throughout my years in high school, I was treated like an outsider. I did not have many friends and was constantly stared at and made fun of. This happened because I was not considered to be normal according to their standards. The majority of my high school was occupied by ... Read More

A Proposal to the Question of Genetic Testing in Designer Babies (552 words, 2 pages)

Most parents hope that their child can be a better version of themselves. They want their child to be the greatest athlete or the highest scoring student in hisher school. What if parents had the ability to choose what kind of child they were going to have? This may sound ... Read More

An Experiment on the Possible Effects of Electromagnetic Radiation on the Lifespan of Gryllidae (1208 words, 10 pages)

Electromagnetic Radiation's Effect on the Lifespan of GryllidaeAbstractThe main objective in this experiment was to determine if electromagnetic radiation would affect the lifespan of a population of Gryllidae. The 21 Gryllidae were placed in three groups of seven each. Each group was covered in a faraday cage, which prevented any ... Read More

A Study on the Interactions Between Toddlers and Robots (747 words, 3 pages)

In the National Geographic article, "Toddlers Bond With Robot, StudyShows," by Stefan Lovgren describes a study done to observe theinteractions between toddlers and robots. This study showed how during theearly stages of childhood, toddlers treated a robot the same way as aregular human of their age. This study was done ... Read More

The Continuous Development of the Evolutionary Theory (1019 words, 4 pages)

Evolution of Evolutionary TheoryThe word "evolution" simply refers to change that occurs in a particular order. Throughout the centuries, the theory of evolution was mainly challenged by creationism. Although the evolutionary theory has now been proven by not only fossils but also advanced testing done on genetics, controversy still surrounds ... Read More

The Future on Mars: An Observation of the Possibility of Colonizing the Red Planet (1744 words, 7 pages)

36-149 Freshman Statistics SeminarMars, a planet 142 million miles away from Earth, is of great interest to scientists because of its fabled possibility of life. Named for the Roman God of War, is also known as the "Red Planet" due to its reddish appearance caused by the presence of iron ... Read More

The Concept of Life in the Moon and Another Planet Like the Earth During the 17th Century (1765 words, 6 pages)

Life Elsewhere?Science is a topic that develops further as time progresses. The science and facts that are known today were not necessarily known back in the 17th century especially things about space and the other planets. It is known today that there isnt life anywhere except Earth in the solar ... Read More

A Discussion on Whether Gender Is Biologically Innate Rather than Socially Constructed (1078 words, 4 pages)

Is Gender Biologically Innate or Socially Constructed?This essay will argue that gender is socially constructed as opposed to biologically innate. Although both notions do play a role in an individuals conception of themselves, the social construction of gender not only has more of an impact on a person, they are ... Read More

The Causes of Traffic Accidents According to Lakatos’ Scientific Research Programmes (656 words, 2 pages)

The Methodology of Scientific Research ProgrammesA critical look at the Lakatos account of the scientific method shows that the Lakatos account of the scientific method is an improvement of both Karl Poppers and Kuhns Philosophies of science. For better understanding of how Lakatos account of the scientific method is an ... Read More

The Origin and History of the Gaia Theory (1265 words, 4 pages)

Gaia hypothesistheory was formulated by English scientist James Lovelock in the year 1969. According to the Gaia theory, the earth is like a single complex, self-regulating organism. The theory states that the planet earth regulates itself to maintain conditions that are conducive to life (James Lovelock and the Gaia Theory, ... Read More

A Debate on Whether Viruses are Living or Nonliving Organisms (1207 words, 6 pages)

Viruses Living or Nonliving Organisms?Whether viruses are living or nonliving organisms has been a huge debate in the scientific field. There is still no definitive answer to this question. Thanks to there being no definitive answer to life (the most commonly accepted having traits of reproduction, development, adaptation, cellular organization, ... Read More

How the Global and Crustal Magnetic Fields Form (390 words, 2 pages)

Magnetic Field and Solar Winds A magnetic field is a physical barrier produced by electronicallycharged objects it extends indirectly through space (like gravity), whicheffects the behavior of other charged objects within the field. Themagnetic field from a planet is produced by the movement of charged fluidwithin the interior of a ... Read More

An Overview of the Photosynthesis Platoon (1515 words, 6 pages)

The Photosynthesis PlatoonEvery neighborhood could use a little beautification, some more than others. The Photosynthesis Platoon refers to a low emission, shared, bicycle-powered group of volunteers who aim to do just that- beautify local communities one garden at a time. Each participant will be assigned one 10-12 mile round trip ... Read More

The Use of Enzyme Activity for Determining the Kintetic Characteristics of Biological Reactions (747 words, 7 pages)

Enzyme assays are useful in determining the kinetic characteristics of a catalyzed reaction. These experiments are handy in conveying the mechanism that a reaction undergoes. By measuring enzyme activity, or the amount of an enzyme within a solution over a given time period, we are able to determine how the ... Read More

My Lab Experiment; DNA and Restriction Enzymes (1613 words, 7 pages)

The lab experiment involved working in groups of two students. The lab experiment was done in two parts. In the first part, four micro-test tubes were labeled numbers 1, 2, 3, and 4. Then, 10l of Enzyme Reaction Buffer was drawn using a micropipette and placed into each of the ... Read More

Biology Essay Examples