Essays on Biology

One of the primary needs of man, in terms of the cognitive and psychological aspects of life, is to understand himself and other forms of life in order to determine each other’s role and place as inhabitants on earth with unique physiological, anatomical, and most …

here was a high debate and many aweing theories arguing if Abraham Lincoln had a disorder called Marfan syndrome or not, which was eventually resolved when Lincoln actually inherited a disease called Multiple Endocrine Neoplasia Type 2B. Contributing to the dispute of Marfan syndrome in …

The adaptation of archaea in acidic condition. How archaea adapt to acidic environment ? Use variety pH homeostatic mechanism that involve restricting proton entry by cytoplasmic membrane and purging of protons and their effect by cytoplasm. pH homeostatic mechanisms The cell membrane is highly impermeable …

The term “genetic engineering” was first coined by Jack Williamson in is science fiction novel Dragon’s Island, published in 1 951 ,one year before Dona’s role in heredity was confirmed by Alfred Hershey and Martha Chase, and two years before James Watson and Francis Crick …

Introduction Norovirus is currently recognized as the most important non-bacterial pathogen causing gastroenteritis. It is believed that majority of gastroenteritis that occur throughout the globe is attributed to Norovirus. Norovirus was first recognised through immunoelectron microscopy (IEM) in 1972. However, it is only over the …

The body is designed to defend itself against invading bacteria, and infection. The skin and mucous membranes are the first line of defence, the invasion of foreign bacteria can pass this first line of defence and immediately triggers the second line of defence. The second …

There are many things that affect the human body and attack its defence systems,they can be naturally occouring in the environment or self inflicted or caused by societys pollution of our planet. Below are some conditions, with the effects that they cause to the human …

Aging is a biological phenomenon all the living things are undergoing. We are not sure about anything in the world except the aging. We are approaching getting nearer to the death from the time of the birth onwards. No living thing in the world has …

5 Types of Open Wounds: Abrasion – Abrasions are wounds caused by traumatic scraping and loss of skin. Falls occurring while in motion frequently lead to skin abrasions. Extensive skin loss may occur with high-speed motorcycle or similar accidents. Thorough cleansing and bandaging of abrasions …

Isolation of Single Human Hematopoietic Stem Cells Capable of Long-Term Multilineage Engraftment A variety of distinct progenitors arising from self-renewing hematopoietic stem cells (HSCs) allow for the production of mature blood cell lineages. Human HSCs are poorly understood due to their rarity and difficulty to …

BUILD ENVIRONMENT The term built environment refers to the human-made surroundings that provide the setting for human activity, ranging in scale from buildings and parks or green space to neighborhoods and cities that can often include their supporting infrastructure, such as water supply, or energy …

Abstract Existing treatments and therapies have supported a huge variety of diseases and infections, a significant example being antibiotics. However the increasing presence of multi-resistant bacteria, as well as increased changes observed in the mechanisms responsible for variation in viruses, involving accumulation of mutations within …

Fantasy Voyage and Battle of the Lung Fantasy Voyage and Battle of the Lung Hello everyone and welcome aboard! I am S Y. with Voyage Health. Today, we will embark together in my mini-sub and we shall travel through the body of this young lady …

Obesity and Biology Obesity isn’t classified as an eating problem anymore. It is more than that a person’s biology plays a big roll. Cells and hormones play a big roll on how big you are and how your body regulates energy. Food equals energy and …

In Rebecca Skloot’s “The Immortal Life of Henrietta Lacks,” the ethical issue of the hospital taking Henrietta Lack’s cells seems be a very major deal and plays an important role throughout the entire book. The books starts off telling you of Mrs. Lacks’ life struggles …

Plants begin their lives in the form of seeds. The embryo inside the seed is considered as the next sexual generation of plants. Seed germination is an important phase in plant’s life. Successful seed germination is vital in every reproducing species in order to perpetuate …

Daniel Ramirez Lagunas English 12 CP 18 May 2012 FDA Labeling In our society today, there is a small percent of our food that has been genetically engineered. Genetically modified food can affect people that ingest the substances by causing health issues. With these possible …

The flying butterfly is more than simply a representation of beauty and frailty thanks to its fragile wings and vivid hues. Its life story, one of remarkable growth and change, is a tribute to the marvels of nature. Examining a butterfly’s life cycle gives us …

Oxygenated vs deoxygenated states of blood: One hemoglobin can carry 4 oxygen Deoxygenated hemoglobin is not bound to oxygen If a person has low oxygen level, a bluish hue will result and a low pulse oxygenation will register as a measurement of the difference between …

Often referred to as “Ecosystems”, Biomes are environments that differ depending on certain factors such as plant life, human presence (which will increase or decrease the pollution levels depending on the advancement of the civilization) and weather/climate. Biomes are easier to define in the worlds …

The human heart is slightly bigger than the size of ones fist. It is situated at a very safe place which is between the cage bones, i.e., in the center of the chest. Usually it is slightly on the left side of the chest but …

Chapter one: Introduction Sporting performance can be influenced by many differing factors. Aside from training, nutrition is the most important influence. To reach one’s highest potential, all of the body’s systems must be working optimally (ADA, 2000). Alongside a healthy diet many performers supplement an …

Genetically modified foods (GM foods) have made for big talk in the public lately. Public interest groups have been actively protesting against GM foods for months. In response to the up swelling of public concern, the U.S. Food and Drug Administration (FDA) have held meetings …

The perennial debate about nature and nurture–which is the more potent shaper of the human essence? –is perennially rekindled. It flared up again in the London Observer of Feb. 11, 2001. REVEALED: THE SECRET OF HUMAN BEHAVIOR, read the banner headline. ENVIRONMENT, NOT GENES, KEY …

As part of my geography coursework, I writing a piece on the rainforest, it’s ecosystems and it’s relevance to the world as a whole. I will produce a piece which is informative and helps to highlight the rainforest and I will demonstrate my knowledge and …

The cell cycle is a sequence of events in the life of a cell, including cell division. Cell division distributes identical sets of chromosomes to daughter cells. This process is used for reproduction, growth, and repair in the body. The cell cycle can be broken …

Double Helix Readers Guide * Max Perutz – was the head of the unit where Crick works at Cambridge University. Perutz also shared important X-ray crystallography imagery with Watson and Crick that he had received from Maurice Wilkins and Franklin. Whether he was supposed to …

Introduction Survival of species depends on several factors. These include availability of food, adaptation to the environment, reproduction and interaction with other species (Ridley, 2009). Paleontological records have given evidence that evolution has taken place and species that have survived are those which have learned …

Muscles are responsible for all conscious and unconscious movement. It is how we move and react to an environment. There are three types of muscles in the body include the skeletal muscle, smooth muscle, and the cardiac muscle. Whether you are running, walking, breathing, eating, …

“Dream as if you’ll live forever, live as if you’ll die today (James Dean)! ” By this being said ants and bees are there to protect and provide for the queen at any means necessary. This is where altruism and kin selection play a huge …