Biology Essays Examples For College & High School Students in PDF

10822 total results

The Jelly Fish and the Idea of Immortality (302 words, 1 pages)

Jellyfish ImmortalityHumans have long been obsessed with the idea of immortality. Christian Sommer, a German marine-biology in his early 20s have proven a jellyfish can be the source to immortality. Sommer was on a research on hydrozoans or small invertebrates that resembles either a jellyfish or soft corals. He claims ... Read More

A Lab Experiment: Enzyme Reaction in High Temperature Environment (1393 words, 7 pages)

IntroductionEnzyme's are a extremely important part of chemical reactions not onlywithin us, but all biological creatures. Enzyme's are used to facilitateand accelerate the chemical reactions that are necessary for not only forus humans to survive, but other creatures like animals and plants to carryout the necessary reactions to produce the ... Read More

Explanations of Circadian Rhythms (717 words, 3 pages)

Biological rhythms are cyclical behaviours repeated periodically and controlled by endogenous pacemakers (internal biological clocks) and exogenous zeitgebers (external cues like light or seasonal changes). Circadian rhythms are biological cycles lasting 24 hours the sleep-wake cycle and the body temperature cycles are examples. The sleep-wake cycle is controlled by both ... Read More

Different Parts of a Plant and Their Specific Roles (604 words, 6 pages)

Every plant is made up of many different parts that work together as a teamso that the plant can survive. Roots gather nutrients and in some plantsthey store the nutrients in the root. Stems let the nutrients and waterthat are sucked up by roots flow through them to the leaves ... Read More

Classification of Animals: Examples of Methods and Theories (1886 words, 7 pages)

Classification is used to put a type of living organisms under a certain group that share similar characteristics in order for us to identify what the organism is. By then grouping the organisms in this way it would make it easier for scientists to see what other species were similar ... Read More

Neural Mechanisms Controlling Eating Behaviors (805 words, 3 pages)

The ventromedial hypothalamus (VMH) and the lateral hypothalamus (LH) are the parts of the hypothalamus that are thought to be involved in food regulation. The dual centre model of feeding explains how hunger and satiety is reached glucose levels play a large role with hunger levels increasing as glucose levels ... Read More

An Overview of the Apoptosis Pathway in a Cell (1121 words, 6 pages)

Apoptosis PathwayCell signaling pathways control nearly every aspect of the cell, and therefore of the body. The job of a cell signaling pathway is to convert a signal, such as a hormone, into a response (Signaling Pathway 2007). There are three parts of cell signaling pathways reception, transduction, and response. ... Read More

A Science Report on the Process of Cell Respiration (1419 words, 8 pages)

THEORYCell respiration takes place in the mitochondria but glycolysis takes place in the cytoplasm of the cell. The reactants of cell respiration are 1 glucose molecules and 6 oxygen molecules and the products are 6 carbon dioxides, 6 waters and 38 ATP molecules. The first step is Glycolysis which happens ... Read More

An Experiment on Finding the Factor That Can Increase the Rate of Photosynthesis (438 words, 2 pages)

Problem Determining which factor can increase the rate of photosynthesis.Hypothesis If there is more sunlight than the number of bubbles will increase because light makes photosynthesisIndependent Variable AmountDistance of lightDependent Variable Number of bubblesControlled Variable Type of plant and waterControl 5 or 60 watt white bulb, 10cm from graduated cylinderProcedure ... Read More

An Experiment Resulting in Learning More About Natural Selection (892 words, 3 pages)

Results Trichomes were selected for because we kept all trichome plants. In this lab we started by placing 1-3 seeds in a half full carton of soil, we then dropped in 2-3 fertilizer seeds to keep the plant seeds healthy. Once done we placed the cartons on a wet cloth. ... Read More

Nature vs. Nurture Argument in What Makes You Who You Are by Matt Ridley (868 words, 3 pages)

Matt Ridleys What Makes You Who You Are argues that were influenced by our genes, but our genes are influenced by our behavior. More accurately, it describes how experience can change the way we express our genes that we dont genetically inherit certain traits, but we do inherit a predisposition ... Read More

An Experiment on the Rate of Photosynthesis (611 words, 4 pages)

Day 1 QuestionsBaking soda (NaHCO3) is used in the lab to increase the rate of photosynthesis, because it carries the carbon atoms it will help the reactant to move faster. Dish soap is used in the lab to help the hydrophobic heads accept the baking soda solution. The vacuum in ... Read More

A Lab Report on an Experiment Conducted With a Goal to Increase the Amount of Trichomes on the Plants in F2 Generation (867 words, 4 pages)

Theory Write answers in complete sentences!Our two predicted outcomes in this lab were that the amount of trichomes would increase in the F2 generation and to simulate Mendels ratio. Our evolution goal was to increase the amount of trichomes on the plants in F2 generation. Artificial selection is when nature ... Read More

An Experiment on the Environmental Effects of Manmade Structures on Isopods (587 words, 3 pages)

The Environmental Effects of Isopods ProblemDo isopods prefer a grassy or soily environment? Isopods are crustaceans therefore their natural stimulus leads them to dark, moist areas. Testing the different environments can be determine which environment the isopods find to be better. The findings of this lab can help in considering ... Read More

Genetic Modification Does Not Eliminate or Lessen One’s Claim to Freedom, But Can Set Up an Environment in Which Freedom is Discouraged (1097 words, 4 pages)

Removing Inherent Chance What does it mean to be free? That answer alone is incredibly difficult to definitively state, as the idea of freedom ranges widely from country to country. However, for the purposes of this paper I will accept of the definition of being free as being able to ... Read More

Henrick Ehrsson’s Neurological Studies – a Result of Passion and Creativty (1324 words, 5 pages)

Scientist Biography Essay DraftImagine seeing yourself from a different angle an angle where you are not you an out of body experience where your conscious is separated from your body. This is one of many physical illusions that neuroscientist Henrick Ehrsson was intrigued by since early adolescence. From this fascination, ... Read More

A Study on the Infectious Nature of the Henrietta’s Cells or HeLa Cells (626 words, 2 pages)

Attack of the HeLa cells! Or so it seems. Further pursuing of cell study has led to the shocking discovery that many scientists research may have all been for naught due to the infectious nature of Henriettas cells which contaminated other scientists long-worked-for research. This detection left many researchers with ... Read More

A Study of the Possible Impact of the Western Bumble Bee If Introduced in the Wild (1347 words, 3 pages)

IntroductionThe pollinator that I chose for the final project is the Western Bumble Bee (Bombus occidentalis). It is a generalist populate in the Pacific Northwest and is one of the most common bumblebees of the area. Used from entomologytoday.orgThe IssueThreatProblemA major threat to these pollinators is the single celled fungal ... Read More

A Discussion on the Different Types of Bacteria and Their Useful Functions in the Article Some of My Best Friends are Germs by Michael Pollan (949 words, 3 pages)

In his article, Some of my Best Friends Are Germs, journalist Michael Pollan challenges the notion held by most first-world westerners that all bacteria are harmful for the human body. In fact, he begins to discuss many different types of bacteria and the useful functions they perform. He writes to ... Read More

Why Is Biotechnology Important? (339 words, 1 pages)

Biotechnology is technology based on biology, and harnesses the useadaption of living systems and organisms to produce useful products. It is one of the utmost important core technologies in existence as a result of its positive impacts on science, medicine, and societal fields. It has assisted in making daily living ... Read More

The Process of Moving Across the Membrane Through the Mechanisms of Diffusion, Osmosis and Facilitated Diffusion (543 words, 2 pages)

The Mesmerizing Process of Moving across MembranesThe cell membrane is a semi-sturdy thin layer that goes around cells. These cells are made out of molecules, which are subsequently made out of atoms. But for cells to operate, they need to receive nutrients through their cell membrane. To make it work ... Read More

Genetic Recombination in Sexually Reproductive Organisms (4688 words, 19 pages)

In many sexually reproductive organisms, including Drosophila melanogaster, genetic recombination is not only a source of phenotypic diversity but indeed a necessary process for meiosis (Orr-Weaver, 1995). Starting in approximately prophase I in female Drosophila germ cells, and continuing until anaphase I, homologous chromosomes are held together by junctures known ... Read More

An Experiment Determining the Impact of an Organism on the Abiotic Environment (842 words, 6 pages)

Personal EngagementWe chose our topic because we wanted to see how adding an organism would affect the abiotic environment. We were interested in the way that adding a fish would affect the growth of the plant species in an ecosystem (for our purposes, we used plant bulbs). We thought perhaps ... Read More

The Impact of Sanitizing Solutions on the Proliferation of Bacteria (5811 words, 40 pages)

Research Question How do different sanitizing solutions impact the proliferation of bacteria?PurposePersonal Engagement The topic of investigation was chosen entirely for its world health implications. Bacterial infections claim millions of lives every year in middle and low income countries. In the United States, only about 3,000 people die every year ... Read More

The Impact of the Discovery of the Variable Human Sensitivity to Phenylthiocarbamide on the Understanding of the Genetic Complexities Beyond Simple Mendelian Inheritance (3506 words, 13 pages)

IntroductionThe discovery of variable human sensitivity to phenylthiocarbamide (PTC) helped advance understanding of the genetic complexities beyond simple Mendelian inheritance (Wooding, 2006). In the early 1930s, Arthur L. Fox, upon finding that his colleague C. R. Noller experienced a very bitter taste in response to airborne PTC powder whereas Fox ... Read More

A Lab Experiment to Determine the Zebrafish Genotypes of the Parents of Different Parental Phenotypes (546 words, 3 pages)

Zebrafish AssignmentAbstractZebrafish are excellent model organisms. Not only do they grow and reproduce quickly, but they also have transparent embryos. Due to these features, plus the fact that zebrafish share a high degree of sequence and functional homology with mammals, including humans, they are studied in the field of genetics ... Read More

A Solution to Challenges of the Horticultural Industry – International Aquaculture Green Rooms (673 words, 2 pages)

Challenges of the Horticultural Industry International Aquaculture Green RoomsThere are many challenges that face the Horticultural industry as global resources, such as water, diminish, the Earths atmosphere continues to deteriorate, soil erosion continues to worsen, and consumer needs continue to become more complex. According to Vinay Sharma of the Department ... Read More

The Effects of Ocean Acidification on Oysters (1103 words, 5 pages)

Effects of ocean acidification on oystersOcean acidification has been a prominent topic over the last decade along with the discussion of global warming. As more carbon dioxide is emitted, the ocean absorbs and stores more carbon dioxide in the form of carbonic acid, which is a weak acid. As a ... Read More

Cloning: History, Types of Cloning and Controversies Associated With It (939 words, 3 pages)

CloningCloning made a grand entrance when Dolly the Sheep appeared in 1997, but the technologies for this procedure were around long before Dolly. Cloning includes a number of different processes. Cloning is the processes that are used to produce genetically identical copies of organisms in which every single bit of ... Read More

How Ted Peters Uses Ethos to Support Stem Cell Research in His Article “The Stem Cell Controversy” (1554 words, 6 pages)

Stem Cell ResearchTed Peters article, The Stem Cell Controversy, makes readers rethink their negative outlook on embryonic stem cell research and helps readers understand why they should support this research. Peters begins by explaining how past leaders outspoken views and opinions including, President Bush and Pope John Paul II, have ... Read More

Biology Essay Examples