Biology Essays Examples For College & High School Students in PDF

10822 total results

An Analysis of the Regulatory Functions of Plant Cells (1124 words, 4 pages)

Regulation of Plant CellsPlant cells have a high concentration of molecules that are dissolved in their cytoplasm. This causes water to flow in and out depending on the concentration of the molecules in the plant in a process called osmosis. When water comes into the cell, the vacuoles in the ... Read More

An Overview of Plant Cell Wall and Plasmodesmata (392 words, 1 pages)

Plant cell wallPlant cell was are an essential feature of plant cells. Plant cell walls are usually categorized in two forms. These two forms include the primary walls and secondary cell walls. The primary cell walls surround other cells that are capable of growing in plants while the secondary cells ... Read More

The Role, Function, and Importance of Bacteria in Our Daily Lives (932 words, 3 pages)

Bacteria are involved in many biological functions, for instance, plant growth is promoted by rhizobacteria that is responsible for control of plant growth. Bacterial biological strains are responsible for protection of plants against diseases that may attack them during the growth. Similarly, there are numerous compounds found in bacteria which ... Read More

A Study of the Effects of Parasites on Their Host, a Study Performed by Le Khoklova Etal and Giorgi Etal (941 words, 3 pages)

Diseases can come from a variety of places bacteria, viruses, and parasites to name a few, all which can affect metabolic rates in animals. Khokhlova etal. conducted an experiment where they infected indiviudal gerbils (Gerbillus dasyurus) with 50 fleas (Xenopsylla ramesis) per gerbil, and varied how much food they were ... Read More

The Characteristics and Classification of the Bacteria Bacillus (3219 words, 15 pages)

IntroductionBacillus a member of phylum Firmicute is a bacteria which are either obligate aerobic or facultative aerobe. In the presence of oxygen or when used in oxygen, they test enzyme catalase positive. Bacillus is a combination of none parasitic and parasitic pathogenic class. If subjected to a strict surrounding, bacillus ... Read More

A Research Paper on the Autobiography of Three Autosomes That Can Qualify for Being the Autosomal Idol (1177 words, 5 pages)

Autobiography of ChromosomeAutosomes in human beings are all the chromosomes in exclusion from the sex chromosomes. Thus, in a normal human being all the chromosomes are autosomes apart from the Y and X chromosomes that determine sex. There are 44 autosomal chromosomes in normal human beings that mainly corresponds to ... Read More

A Project Describing Budburst and Aspen Leaf (634 words, 4 pages)

Project Budburst and Aspen LeafOverviewBudburst is the situation when new leafs of a tree or a plant emerges at the start of every growing season (Cannell, 177). There is a greater need for understanding the process of budburst on leaves as it helps provide more insight on the drop and ... Read More

The Role and Significance of Pheromones in Everyday Life (2077 words, 7 pages)

Since the first species inhabited the Earth, pheromones have affected the way they lived and behaved on a daily basis. Even today, pheromones play an important role in many aspects of life. There is a great debate as to whether humans produce and detect pheromones between each other, and I ... Read More

Osmosis Lab Report (1467 words, 8 pages)

Osmosis Lab ReportIntroductionAn important part of this lab is osmosis a type of diffusion. Osmosis is the net movement of water from an area of low solute concentration to an area of high solute concentration (Reece et al. 76). It is also thought of as the flow of water from ... Read More

Stages of a Cell’s Life Cycle (308 words, 1 pages)

Throughout its life cycle, a cell will go through different stages. These stages include interphase, the mitotic phase, and cytokinesis. Interphase is the cells active stage when it performs its cellular functions and replicates genetic material to prepare for mitosis. Mitosis occurs during the mitotic phase. Cytokinesis is often grouped ... Read More

An Overview of the Classification of Living Organisms (6392 words, 11 pages)

Topic 1 Classification, variation and inheritanceClassification is organising living organisms into groups. Organisms are classified based on how closely they are related. You need to know the categories for classificationAn easy way of remember this order is to create a mnemonic. E.g. kings play chess on fine grained sand .... ... Read More

The Methods in Dealing with the Hemlock Woolly Adelgid in the Great Smoky Mountains National Park (2553 words, 7 pages)

Dealing With the Hemlock Woolly Adelgid According to Executive order 13112, invasive species are defined as"an alien species whose introduction does or is likely to cause economic orenvironmental harm or harm to human health." (U.S. Exec. Order) In thefragile ecosystems of the Great Smoky Mountains National Park, severalspecies have fit ... Read More

The Role and Use of Biology in Everyday Living (908 words, 2 pages)

The Merits of Biology EssayBiology is the study of all living organisms and their structure, function, and growth. We learn about biology for one main reason to help us understand life forms, their constituent parts, and how they function and grow. One can benefit from biology, for it can lead ... Read More

An Experiment on the Identification of an Unknown Bacteria (4016 words, 18 pages)

In the middle of the semester every student was given an unknown bacteria and was asked to identify it. The purpose of this experiment was to identify the unknown bacteria that was given to us. In order to do this multiple tests were needed. The aim of this experiment is ... Read More

An Argument in Favor of Genetically Modified Organisms (GMOs) (3406 words, 16 pages)

Its likely that you see them every day, and even eat them still, hearing the words Genetically Modified Organism, or GMO, causes a feeling of uneasiness with most consumers. Much of society seems to think of genetically modified organisms as a completely unnatural and twisted presence in nature. However, the ... Read More

An Experiment Conducted to Determine the Effects of Different Concentrations of Unsaturated Oil on GFP in Order to Reveal the Effects Fats Have on Proteins (816 words, 5 pages)

IntroductionObesity, the condition of being excessively overweight, is a huge threat to the public. Obesity increases tremendously in the United States today, leaving many obese adults at risk for major illnesses such as high blood pressure, high cholesterol, type 2 diabetes and its complications, coronary heart disease, stroke, gallbladder disease, ... Read More

The Roles of Math and Science in the Evolution of Biomedical Engineering (475 words, 2 pages)

Winged Needles to Universal VaccinesThe caduceus, the symbol of medicine featuring two snakes winding around a winged staff, is often found in the United States, but its significance is not well known. Back in ancient times, parasitic infection was quite common due to lack of sanitation in most parts of ... Read More

Understanding the Ideal pH in the Human Body (592 words, 3 pages)

pH in the Human BodyThe hydrogen ion concentration of a solution is the pH scale. On the scale is 0-14. 0-6.9 is considered to be an acidic solution. 7.0 is neutral, and 7.1-14 is alkaline or a basic solution. This allows nutrients, oxygen, and biochemicals to go through the body. ... Read More

A Study on the Structure of DNA and Genetical Modifications (2189 words, 9 pages)

Deoxyribonucleic acid (DNA) is the most common hereditary material that is universal to almost all organisms. DNA is a polymer made up of a monomer called a nucleotide. Nucleotides are made up of a nitrogenous base, a five-carbon sugar called deoxyribose, and a phosphate group. Many of these nucleotides combine ... Read More

The Difference between Phylum Cnidaria and Subphylum Chelicerata (1180 words, 4 pages)

The Phylum Cnidaria is home to the marine invertebrates commonly referred to as Sea Jellies. Also in this phylum are sea anemones, coral, and many other sea creatures. The animals in this phylum are radially symmetric and ectothermic. They are neither protostomes nor deuterostomes, as they only have one opening ... Read More

A Study on the Reproductive Development of the Avocado and the Abiotic Fruit Damage (2311 words, 18 pages)

Avocado Orchard Monitoring Objectives- to study the reproductive development of the Avocado and to monitor abiotic fruit damage.INTRODUCTIONFinding the important factors that determine Avocado fruit size and number is important to Hass Avocado growers in California. This study examined the relationship between north and south facing sides and the degree-day ... Read More

An Experiment Conducted to See If the Sex of a Plant Influences Its CO2 Levels (1485 words, 7 pages)

AbstractIn this experiment we tested to see if the sex of the cycad plant had any affect on its CO2 levels. First, we collected 5 leaves of male and 5 of the female Cycadophyta plant each and placed them into two separate gas chambers. Then we measured the NPP levels ... Read More

An Analysis of the Process of Digesting Food (1317 words, 4 pages)

If you asked me what I looked most forward to learning about in Human Biology, my answer would have been the digestive tract. Its the cornerstone of organ groups as people would think of the human body, and Ive always wanted to know whats really happening when Im eating my ... Read More

An Examination of the Factors That Affect the Rate of Transpiration in Plants (504 words, 3 pages)

In plants, there are several factors that can affect the rate of transpiration. Things like weather, soil, light intensity, and humidity are all key external factors in a plants transpiration rate. In this experiment, the Japanese Pittosporum was tested to see if light intensity did, in fact, affect the rate ... Read More

An Experiment Set to Determine How the Wind Affects Charleston’s Flora (684 words, 3 pages)

Charleston is home to many different types of plants that are adapted to the areas coastal conditions, such as the Japanese Pittosporum and the Podocarpus. These plants live and thrive in the areas humid, windy environment. After examining the plants, it was noted that the physical features of the two ... Read More

A Personal Narrative on the Goals of Conducting a Biomedical Research (1013 words, 4 pages)

The goal of any scientist conducting research is to learn about the world around them. From this basic principle, my biggest expectation is to learn new things. I want to learn how to conduct biomedical research properly. If accepted, this would be my first time doing research as an undergraduate, ... Read More

Aquaponics: The Future of Sustainable, Chemical-Free Farming (1737 words, 9 pages)

Aquaponics utilizes the combinations of terrestrial and aquatic systems to benefit the ecosystem and create a more sustainable way of farming. In our experiment, we are questioning whether the size of the fish population can affect the amount of plant growth within the system. We believe that the larger the ... Read More

The Specific Gene Found in Chickens That Can Transform Them Into Dinosaurs (765 words, 3 pages)

The idea of extracting DNA material from dinosaur fossils has been around since the discovery of dinosaur fossils. This idea grew in popularity with Michael Crichtons book Jurassic Park and Steven Spielbergs later film representation in the Jurassic Park movies. The method that was portrayed in Jurassic Park was to ... Read More

The Life and Contributions to Science of Antonie Philips van Leeuwenhoek (622 words, 3 pages)

Antonie Philips van Leeuwenhoek was born in Delft, Holland in 1632. His father was a tradesman and made baskets for a living and his mothers family were brewers. As van Leeuwenhoek grew up, he went to live with his uncle in Benthuizen and apprenticed under him as a fabric merchant ... Read More

The Disadvantages of Genetic Engineering to Animals and Human Beings Outways Its Advantages (2497 words, 8 pages)

The vast majority of comments expressed opposition to the genetic engineering of animals. (FDA). While the vast majority of the population oppose genetic engineering, most of the food provided to the public at large comes from a factory farm with poor quality of life and genetic engineering 99 in the ... Read More

Biology Essay Examples