Biology Essays Examples For College & High School Students in PDF

10822 total results

A Literary Analysis of the Future of Life by Edward O. Wilson (1355 words, 6 pages)

The Future of Life Book Critique Edward O. Wilson is a biologist from Harvard who won the Pulitzer Prize twice and wrote the book, The Future of Life. A powerful line from his book is, As habitats shrink, species decline wholesale in range and abundance (Wilson 105). In this work ... Read More

A Reflection on Selecting a Major in Biological Science in Psychology (721 words, 3 pages)

As a first generation Chinese American immigrant, I have personally witnessed and experienced the health disparities in this community. For most of these immigrants, they do not speak English well they cannot find a job easily. Thus, the level of distress increases tremendously. They are more prone to sickness. Unfortunately, ... Read More

An Introduction to the Analysis of the Reproductive System (509 words, 2 pages)

Life itself would not be what it is without two very important key things the male reproductive system and the female reproductive system. Both of these systems correlate with each other, however there are some major differences between the two that separate themselves into different categories. For instance, the first ... Read More

A Study on the Contributions of Rosalind Franklin, Maurice Wilkins, James Watson, Francis Crick and Linus Pauling on the Subject of DNA (839 words, 3 pages)

DNA, deoxyribonucleic acid, is, in theory, what makes us up. Whilethe discovery of this molecule can be credited to Johann FriedrichMiescher, the contributions of Rosalind Franklin, Maurice Wilkins, JamesWatson, Francis Crick, and Linus Pauling are also duly noted. These fiveare credited with discovering the structure of DNA. Much controversysurrounds the ... Read More

A Lab Exercise to Practise the Extraction of Lipids Using the Goldfish Extraction Technique (1401 words, 11 pages)

Points earnedPoints possibleIntroduction15Background 5Relevance 5Previously reported methods5Materials and Methods15Materials List 7.5Method description 7.5Results20Results presented18TablesFigures labeled 2Discussion30Results interpreted12Method evaluated12References10Format (JFS)5In text citation5Clean up10Total 100Extra Credit (pages stapled with Rubric)2Late turn in (-10 points per day, reports due at beginning of next lab)Lab 7 Extraction of Food LipidsIntroduction The purpose of this ... Read More

A Lab Exercise to Practise the Measuring and Analyzing the Acidity of Several Samples as Expressed by Titrable Acidity and pH (1457 words, 13 pages)

Points earnedPoints possibleIntroduction15Background 5Relevance 5Previously reported methods5Materials and Methods15Materials List 7.5Method description 7.5Results20Results presented18TablesFigures labeled 2Discussion30Results interpreted12Method evaluated12References10Format (JFS)5In text citation5Clean up10Total 100Extra Credit (pages stapled with Rubric)2Late turn in (-10 points per day, reports due at beginning of next lab)Lab 2 pH and Titratable AcidityIntroduction The purpose of this ... Read More

An Analysis of the Correlation Between Flower Size to the Size of the Reproductive Organs and Concentration of Anthocyanin (1181 words, 4 pages)

Does Size Really Matter? Investigation of the Correlation between Flower Size to Size of Reproduction Organs and Concentration of Anthocyanin.Abstract In this study, the relationship of the flower size in comparison to the ovary mass, stamen mass, and the anthocyanin concentration was analyzed. The significance of the analysis is based ... Read More

A Lab Exercise to Experience the Proper Use of Laboratory Equipment and Glassware to Assure More Accurate Results From Testing (2197 words, 14 pages)

Points earnedPoints possibleIntroduction15Background 5Relevance 5Previously reported methods5Materials and Methods15Materials List 7.5Method description 7.5Results20Results presented18TablesFigures labeled 2Discussion30Results interpreted12Method evaluated12References10Format (JFS)5In text citation5Clean up10Total 100Extra Credit (pages stapled with Rubric)2Late turn in (-10 points per day, reports due at beginning of next lab)Lab 1 Assessment of Accuracy and PrecisionIntroduction The purpose of ... Read More

A Lab Exercise to Analyse the Perceived Serving Size Compared to the FDA Established RACCs and Other Nutritional Values (931 words, 10 pages)

Points earnedPoints possibleIntroduction15Background 5Relevance 5Previously reported methods5Materials and Methods15Materials List 7.5Method description 7.5Results20Results presented18TablesFigures labeled 2Discussion30Results interpreted12Method evaluated12References10Format (JFS)5In text citation5Clean up10Total 100Extra Credit (pages stapled with Rubric)2Late turn in (-10 points per day, reports due at beginning of next lab)Lab 9 Food Labeling and The Nutrition Facts PanelIntroduction The ... Read More

A Study of the Effects of pH on Earthworms (763 words, 4 pages)

Affects of PH on Earthworms IntroductionEarthworms are made up of segmented bodies, which pull and contract to help them move around and have a closed circulatory system (Fonte). Earthworms also utilize diffusion, which occurs through their skin to intake oxygen (Shan). Due to this process a worm breathes in whatever ... Read More

A Lab Exercise to Practise the Use of Bradford Protein Assay to Determin the Protein Content of Unknown Drink Samples Containing Protein (723 words, 12 pages)

Points earnedPoints possibleIntroduction15Background 5Relevance 5Previously reported methods5Materials and Methods15Materials List 7.5Method description 7.5Results20Results presented18TablesFigures labeled 2Discussion30Results interpreted12Method evaluated12References10Format (JFS)5In text citation5Clean up10Total 100Extra Credit (pages stapled with Rubric)2Late turn in (-10 points per day, reports due at beginning of next lab)Lab 6 Protein Analysis by Bradford Protein AssayIntroduction The purpose ... Read More

An Analysis of the Identification of Bacillus Subtilis (1279 words, 7 pages)

An Investigation into the Identification of Bacillus subtilisOriginating from an Unknown CultureThis report represents my individual effort. I did not receive or offer aid to anyone when performing this assignment, nor did I plagiarize any material.Signed RESULTS Assuming Unknown Culture 243 is B. subtilisFigure 4 Observation of B. subtilis on ... Read More

A Lab Exercise to Measure and Calculate Total Page 1 of 11 Continue for 10 more pages → Read full document ← View the full, formatted essay now! (1053 words, 11 pages)

Points earnedPoints possibleIntroduction15Background 5Relevance 5Previously reported methods5Materials and Methods15Materials List 7.5Method description 7.5Results20Results presented18TablesFigures labeled 2Discussion30Results interpreted12Method evaluated12References10Format (JFS)5In text citation5Clean up10Total 100Extra Credit (pages stapled with Rubric)2Late turn in (-10 points per day, reports due at beginning of next lab)Lab 10 Determination of Total PhenolicsIntroduction This purpose of this ... Read More

Centrifugation Techniques and the Isolation of Cauliflower Mitochondria (1331 words, 8 pages)

The purpose of this lab was to practice and observe the isolation, separation, and purification of plant mitochondria in conjunction with centrifugation techniques and marker enzymes.Experimental Data ExplanationTable 1 Cuvettes For Assay of Succinate DehydrogenaseReagentCuvette No.123456Premix500L500L500L500L500L500LDCPIP----50L50L50L50L50L0.2 M Na-succinate50L50L50L100L50L50L0.2 M Na-malonate--------100L------------Mitochondrial Fraction----20L20L20L--------Whole Extract--------------------20LCytosol Fraction----------------20L----Water (to 1mL)450L380 L280 L330 L380 L380 LTable ... Read More

An Overview of the Dna Extraction and Analysis of the Plant Experimentation (1719 words, 10 pages)

Lab 9 DNA Extraction and AnalysisThe purpose of this lab was to complete an agarose gel electrophoresis on two samples that a DNA extraction was performed on young plant tissue, an uncut Lambda DNA sample, a Lambda DNA cut with Hind III, and two standard DNA ladders. Furthermore, by using ... Read More

The Two Main Components of Photosynthesis (520 words, 2 pages)

There are two components of photosynthesis these are the light-independent reaction (Calvin Benson cycle) and the light-dependent reaction. Light-independent reactions can occur at any time, and they take place in the stroma of the leaves. Light-dependent reactions can only occur in the presence of photons, and they occur in the ... Read More

An Analysis of the Process of Photosynthesis in Plants (1370 words, 5 pages)

Photosynthesis and Respiration LabINTRODUCTIONCellular respiration is the process in which a fuel source is broken down to create energy for the cells. The fuel source most commonly used is glucose as the energy harvested comes from their C-H bonds the energy that is harvested is called ATP. The end products ... Read More

A Study of Flowers (439 words, 2 pages)

A flower has four whorls the sepals, petals, stamens, and carpels. The stamens contain a filament and the anther. The carpels (pistils) consist of the stigma, style, and ovary. From the outside to the inside of a flower, there are the sepals, the petals, six stamens, and three carpels. During ... Read More

A Study of Amylase Production in Barley Seeds (527 words, 3 pages)

Amylase Production in Barley SeedsMETHODSBarley seeds bought from Kelly seed store in Peoria, Illinois were obtained. About fifty seeds were placed in two different 15 mL tubes. 10 mL of 70 ethanol solution were added to the tubes the tubes were shaken occasionally for five minutes. The tubes were placed ... Read More

A Study on the Insect Repellent, OFF (654 words, 2 pages)

N,N Diethyl-m-toluamide The Insect Repellent OFFThis experiment demonstrates the synthesis of the active ingredient containing an amide. The reagent in which this was conducted is the insect repellent OFF, N,N diethyl-m-toluamide. The reagent will be converted to an amide. The methods used in this experiment will be the preparation of ... Read More

The Differences Between Plants and Animals (699 words, 2 pages)

Plants are different from animals in numerous ways. They have microscopic differences such as differences in cells, cell organelles, and cell division. To the naked eye, an obvious difference is the number of organs a plant has compared to an animal. There are even differences in their life functions such ... Read More

A Description of the Anatomy and Physiology of the Pituitary Gland (593 words, 2 pages)

Describe the anatomy physiology of the pituitary in detail. Give a couple examples of the hormones which are released by each part of the pituitary.The pituitary gland is an important hormonal gland located in the brain. Hormones are little chemical messengers that travel throughout the body to send signals to ... Read More

The Steps Involved in an Action Potential (628 words, 2 pages)

Describe the steps involved in an action potential. Specifically, 1) what IS the action potential (i.e. definition), 2) what triggers this to occur, 3) what ion channels open close (and when?), 4) what is the absolute refractory period, 5) what is the relative refractory period, 6) how does the membrane ... Read More

An Examination on Finding the Protein Concentration in Various Samples (1184 words, 4 pages)

AbstractThe purpose of this lab was to find the protein concentration in various samples. The samples used were protein powder, soy milk, and whole milk. In order to find the protein concentration of each of these unknown samples it was necessary to first test samples that the protein concentration was ... Read More

A Research on the Effects of Plant Hormones on Pea Plant Germination and Growth (1451 words, 6 pages)

The Effects of Plant Hormones on Pea Plant Germination and Growth Auxin and GibberellinAbstractThe plant hormones Gibberellin and Auxin have known effects on seed germination and overall plant growth. In order to observe the effects, pea seeds were treated with both hormones. This was done by setting up an experiment ... Read More

An Analysis of the Similarities and Differences between the Living and the Non-Living Things (560 words, 2 pages)

How do you know what is living and dead? In this essay I am going to discuss how I can know that something is living or non-living. First I am going to discuss the common things between living and non-living objects. Both are composed of atoms or molecules. For example ... Read More

Efforts to Improve Water Quality Through Filtration and Preservation (1504 words, 6 pages)

AbstractAfter performing several trials of research, different articles concerning filtration and preservation of different bacteria were found. Specifically, five of the twenty-six articles were of most interest because these specific articles depicted specific bacterium found in common tap water and natural waters. One of these specific articles titled, Filtration Methods ... Read More

A Look at the Mind’s Eye as Portrayed in The Perception of Apparent Motion by Vilayanur S. Ramachandran and Stuart M. Anstis (518 words, 2 pages)

The Minds EyeIn Ramachandran and Anstis study of The Perception of Apparent Motion the connection between real and apparent motion is explored. Moreover, the process by which apparent motion occurs in the brain and to what extent a correspondent can function is also analyzed. There are three rules to the ... Read More

An Argumentation on Cloning the Neanderthal (669 words, 3 pages)

Neanderthals To Clone or Not to CloneEd Green, a skilled bioinformatician, led a new project involving the sequencing of Neanderthal genome. A feat that had previously never been accomplished before, the findings of Green and his team open up a wide array of opportunities with the Neanderthal genes. The biggest ... Read More

A Lab Study Conducted to Determine Which One of the 17 Unknown Bacteria #134 Is (1310 words, 9 pages)

Bacteria are a major part of our lives as human beings. They both have the potential to help us and hurt us. Science has made it possible to identify numerous types of bacteria through tests confirming certain aspects of the bacteria. In lab, we were given the opportunity to experiment ... Read More

Biology Essay Examples