Biology Essays Examples For College & High School Students in PDF

10822 total results

Using Gel Electrophoresis to Study DNA Conclusion (572 words, 2 pages)

Lab 4J Using Gel Electrophoresis to Study DNA ConclusionDuring Lab 4J, our goal was to analyze the DNA of E. coli and salmon sperm that were previously extracted by the class, and to compare the number of base pairs in DNA samples with the standard and pGLO. We first set ... Read More

The Use of Genetically Modified Organisms Should Be Under Strict Supervision in the United States (2846 words, 10 pages)

AbstractThe agriculture industry has seen a surge of growth, mostly due to the introduction of Genetically Modified Organisms (GMOs). Unfortunately, many of these GMOs pose threats to health and the environment. Across the world nations are standing against GMOs and banning their use, and labeling the GMOs in their products. ... Read More

Intersexuality and Gender Identity (6795 words, 13 pages)

Intersexuality and Gender IdentityModern culture is deeply rooted in the fact that only two strict gender identities exist. Those who do not fit into these categories, namely intersexuals, are labeled deviants and viewed as outside the norm. Recent estimates indicate that approximately one or two in every two thousand infants ... Read More

A History of the Mesozoic Era, the Age of Dinosaurs (732 words, 2 pages)

Age of the DinosaursThe "Age of Dinosaurs" also known as the Mesozoic Era began over 245 million years ago. It was divided into three periods call the Triassic (245 to 208 million years ago), Jurassic (208 to 145 million years ago), and the Cretaceous (145 to 66 million years ago). ... Read More

The Role of MHC Relatedness in Female Lab Mouse (M. musculus) Mate Preference (1669 words, 5 pages)

The Role of MHC RelatednessIn Female Lab Mouse (M. musculus) Mate Preference IntroductionMate choice has been in the consciousness of biological studies since Darwin first proposed its function in the selection and evolution of secondary sexual traits. Females, more often the so called choosey sex in most species due to ... Read More

The Nature of the Blind Star Lynx (2584 words, 8 pages)

Introduction If ever you have a chance to visit the African plains, I do suggestyou visit the Bokango tribe. In the ruins of Brazzaville, the Bokango,live secluded underground, they have used the old metro stations left bygenerations before them. However in order to make their underground empirelarger, they have adopted ... Read More

The Importance and the Issues With Stem Cell Research (551 words, 2 pages)

Stem cells are unspecialized cells that have the capabilities ofdeveloping into any of the different types of cells that are in the humanbody. It is for this reason that scientists are trying to study and usethem for their search of cures for different ailments that are as of nowdetrimental to ... Read More

DNA the Code of Life (374 words, 1 pages)

DNA TranscriptionDNA is the code of life we have a genome within the nuclei within our cells what has a complete set of instructions of everything that go on in the cell. So that information doesnt flow the same way for every type of cell. There are highly specialized cells ... Read More

The Discovery of DNA by James Watson (592 words, 2 pages)

James Watson and the Discovery of DNAIt began when James Watson, the co-discoverer of the double helix as well as the head of the Human Genome Project, first sequenced small parts of a worm DNA with overlapping parts, and tried to figure out the sequence of the worm DNA using ... Read More

A Research on Genetic Imprinting (470 words, 1 pages)

Genetic ImprintingThe genes of both parental and maternal origins of an organism are in conflict, to see which (maternal or paternal) genes would have increased expression over the other in order to induce a level of fitness in the offspring. A maternally active gene will induce equal fitness in all ... Read More

Cell Lines and Tissues-The Powerful and Important Tool for Current Scientific Research (459 words, 1 pages)

Cell Lines and TissuesCell and tissue cultures are a powerful and important tool for current scientific research, as it provides a simplified platform to perform in vivo cellular research, in vitro1,2. In what otherwise would be a complex and dynamic system of cells and tissues in the body, cell cultures ... Read More

The Human Genome Project (562 words, 2 pages)

The Human Genome ProjectThe Human Genome Project was first proposed in 1990, to map and sequence human DNA. This grand project was extremely ambitious, aiming to identify almost all 25,000 genes in human DNA, as well as sequence all the base pairs that make up human DNA. It is also ... Read More

The Process of Bacterial Conjugation in Transmitting Genetic Material (327 words, 1 pages)

Bacterial ConjugationOne of the methods that bacteria use to transmit their genetic material is through a process called conjugation. Bacteria often have transmissible plasmids which encode for the genes, used to make proteins and machinery necessary for cell-to-cell DNA transmission in the host. It is also one of the major ... Read More

A Report on the Process of Protein Folding (530 words, 2 pages)

Protein FoldingA protein is a long chain of amino acid sequences, and its amino acid sequence determines its primary structure. There are 4 structures of proteins, and each structure builds upon the previous structure. Secondary structures are formed by a chain of amino acids which folds, interacts and coils with ... Read More

An Introduction to the PTC gene (490 words, 2 pages)

Not everyone has the ability to taste the bitter flavor of phenylthiocarbamide, also known as PTC. There are two common forms of the PTC gene, one tasting allele and one non-tasting. However, since humans have two copies of every gene, that means there are different combinations in which the bitter ... Read More

The Few Steps in the Complex Process of Neuron Communication in Humans (615 words, 2 pages)

The process of neurons communicating is complex and is composed of afew steps. Simply the process is the generation of an electrical signal(action potential), the conversion of that electrical signal to a chemicalone, and the transmission of that signal between two neurons. This processthen repeats itself, over and over, to ... Read More

The Portrayal of Organization and Different levels of Nature in Lewis Thomas’s Essay “The Lives of a Cell” (830 words, 3 pages)

The Lives of a Cell - Lewis ThomasLewis Thomass collection of essays titled The Lives of a Cell gives a new angle on the organization of nature as a whole and the similarities between different levels of nature. Thomas describes everything in nature as interconnected in someway, forming a complex ... Read More

An Analysis of the Dangers and Benefits of Microbes in Paul De Kruif’s Non-Fiction Book The Microbe Hunters (526 words, 2 pages)

The Main Ideas of Microbe Hunters The Microbe Hunters by Paul de Kruif is a book containing twelve non-fictional stories about people who made significant discoveries in thescientific world of microorganisms. Some of these scientists include AntonyLeeuwenhoek, Louis Pasteur and Walter Reed. Discoveries made by thesescientists range from the cause ... Read More

The Medical and Personal Benefits of Knowing Your Genome (857 words, 3 pages)

Knowing Your GenomeIf I had the choice of knowing my genome, I would surely opt to know. The knowledge from the genetic test can help encourage me to live a more positive lifestyle. I could use this information to assist my family in making medical decisions, and bring awareness of ... Read More

An Overview of the Problems with the Process of Strengthening Metals (2060 words, 11 pages)

Problem 1 Grain Size ControlWhen people generally think about metals or alloys, they do not think about the grains inside of the metal, but these grains play an integral role in just how strong your material is. It is important for one to understand the grains inside and how they ... Read More

A Study of the Ant Odometer in Cataglyphis Fortis an Ant Specie (1672 words, 5 pages)

The Ant Odometer Imagine trying to find your way home without the use of street signs, or for that matter, any physical landmark whatsoever. What may seem to be a difficult task for a person would seem nearly impossible for a creature as small and primitive as an ant, yet ... Read More

A Report on an Experiment to Determine the Hottest Part of the Double-Coned Blue Flame on a Bunsen Burner (837 words, 5 pages)

AbstractAn experiment was made to test which part of the double-coned blue flame on a Bunsen burner was the hottest. Three positions of the flame were tested the tip of the outer flame, the tip of the inner core, and halfway down the inner flame (these positions were labelled Positions ... Read More

The Meaning and Significance of Paradigms According to Kuhn in The Structure of Scientific Revolutions (403 words, 2 pages)

Central to Kuhn's argument in The Structure of Scientific Revolutions is his notion of paradigms. Paradigms, for Kuhn, are the established "worlds" in which scientists live, forms of training and conceiving things that establish the "rules" of scientific inquiry that a scientific community plays by. A paradigm informs how a ... Read More

A Lab Report on Determining the Concentration of Acetic Acid in Vinegar (923 words, 5 pages)

ABSTRACTThe purpose of this experiment was to determine the concentration of acetic acid in vinegar by using 0.1 M HCL and a solution of NaOH with an unknown concentration. After the experiment was conducted, it was concluded that the concentration of vinegar was 0.963M. Titration, the formula and acids and ... Read More

A Research on the Genome Sequence of the Unicellular Eukaryote, Schizosaccharomyces Pombe (466 words, 1 pages)

The genome sequence of Schizosaccharomyces pombeThe entire annotated genomic sequence of the unicellular eukaryote, Schizosaccharymyces pombe was completed in 2002 by a team of researchers. S. pombe is currently the sixth eukaryotic model organism to have its entire genome fully sequenced, following the steps of its close relative, S. cerevisiae ... Read More

An Analysis of the Reasons and Methods of DNA Unlinking (440 words, 2 pages)

DNA is the carrier of genetic information in cells, and it plays an active role in the regulation and extraction of the genetic information. The conformational and topological properties of the DNA are crucial for the execution of various biological processes, such as DNA transcription, replication, segregation and maintenance. In ... Read More

A Critique of The Selfish Gene by Richard Dawkins (1386 words, 5 pages)

The Selfish Gene Critique Richard Dawkins The Selfish Gene refutes the argument that natural selection acts on the level of groups or species and instead offers a gene-centered view of evolution. Dawkins selfish gene theory postulates that adaptive evolution occurs through the differential survival, replication, and passing of competing genes ... Read More

An Experiment to Determine the Effects of Micro Interference on the Growth of Plants (1674 words, 6 pages)

Abstract The main goal of this experiment was to see if growing plants by a Wi-Fi router would ruin the plants or if it would not make a difference. One Faraday cage containing a router and pea plants along with a control group of pea plants outside the router were ... Read More

Drawing Conclusions About the Role of Gibberellic Acid in Plants Through the Application of the Hormone (1241 words, 7 pages)

Investigating the Roles and Functions of Plant HormonesINTRODUCTIONPlant hormones help plants respond to changes in the environment, and regulate the growth of the plant. A plants ability to survive in the wild derives from the hormones it produces. Gibberellins are a type of plant hormone that promote growth, and facilitate ... Read More

Comparison of the Musculoskeletal System of Frogs and Humans (928 words, 4 pages)

Locomotion in frogs is due to their strong leg, thigh, and calf muscles. These include the muscles Adductor magnus, Adductor longus, Gastrocnemius, and Sartorius. Also, the bones that make up the limbs of the hind legs in frogs are essential to locomotion. These bones include the Femur, Tibia and fibula, ... Read More

Biology Essay Examples