What evolutionary development allowed plants to grow tall? It is a vascular system which includes phloem and xylem. These tissues transport nutrition and water over distances and heights. Those plants which are nonvascular cannot grow tall, and they can live only in damp territories.
Sickle cell anemia is a blood disorder that affects the 11th chromosome which is a hemoglobin gene. Hemoglobin is a protein located in red blood cells (RBCs) that carries oxygen through the body. This disorder is inherited from two parents with abnormal genes that are …
“Macromolecules are a source of fuel. There are four major types of macromolecules-proteins, carbohydrates, nucleic acids, and lipids. This process plays important roles in the life of a cell. (Macromolecules, 2002). The macromolecules that was present in the packaged food product Lipids which are fats. …
Asian tiger mosquito Aedes albopictus, the Asian tiger mosquito or the Forest day mosquito is a small black and white mosquito, about 1/4-inch long. Its white and black color pattern gives it the name “Tiger Mosquito”. A white stripe runs down the center of its …
The Caucasus: The Caucasus hotspot, historically interpreted as the area of land between the Black and Caspian seas, covers a total area of 580,000 km. Located at a biological crossroads, species from Central and Northern Europe, Central Asia, the Middle East and North Africa mingles …
Erythropoietin and Athletes Steven D. Jackson Student, American Military University Abstract Erythropoietin (EPO) use as a performance enhancing agent in sport carries both significant and detrimental risks to go along with its suggested benefits. As such, it was banned by the International Olympic Committee in …
Blue – green algae are scientifically known as cyanobacteria. They are also known as pond scum. They belong to the family of bacteria and naturally develop in shallow, warm and still waters. These conditions are present in fresh water lakes, ponds, and wetlands. In order …
Among the most notable and controversial Nobel Prize recipients is James Watson. He, together with Francis Crick and Maurice Wilkins, was awarded the Nobel Prize in the year 1962 in the Physiology or Medicine category. He is one of the scientists who discovered the molecular …
Invertebrate Questions True/False Indicate whether the statement is true or false. ____1. The acute senses of arthropods are the result of organs such as compound eyes and antennae. ____2. Arthropods have a well-developed excretory system consisting of nephridia. ____3. The well-developed arthropod nervous system consists …
Historical development in the field of toxicology and mechanisms and factors responsible for the entrance of toxicants in the human body and their harmful effects Abstract The purpose of this paper is to make a short historical reference in the field of Toxicology and how …
The marine iguana, scientifically known as Amblyrhynchus cristatus, is the only lizard in the world that takes to the sea. Markedly different in appearance, size, and physical attributes, than its land-living cousin. As one of the many varieties of iguana that Darwin observed in the …
10th Grade Biology Textbook Analysis: A Readability Study Teachers should consider assessing the textbooks they are planning to use in the classroom. Textbook evaluations and assessing students’ connections with texts are important tasks for content area teachers and students (Vacca, 2002). Teachers are constantly assessing …
Have you ever wondered why people resemble their parents? The answer to this and other questions about inheritance lies in a specialized branch of biology called genetics. Geneticist found that most aspects of life have a hereditary basis and that many traits can appear in …
Print off this document and answer the questions at the end of both parts. On the due date for this assignment, you will form groups in class and each group will be given a separate set of questions to answer. The in-class questions will be …
Katniss Everdeen is the main character, from the film The Hunger Games: Catching Fire. She and fellow District 12 tribute Peeta Mellark have returned home after winning the 74th Annual Hunger Games. Their behaviors have started to change from the time in the arena. Katniss …
Biology Ariticle Summary #2 How Darwin won the evolution race Stem cells are defined by their ability to self-renew or to differentiate into a range of somatic cell types. Adult stem cells, such as hematopoietic stem cells are found in specialized niches within the body …
The skin serves as protection to our body by keeping the right temperature for it to be able to perform its task the accurate way (Encarta, 2007). Furthermore, it also protects the immune system, consequently guarding us from different sicknesses (Encarta, 2007). This paper entitled, …
Abstract Four pure, unidentified cultures of (gram positive cocci) bacteria, labelled A-D were cultured on various agar media. Also an API test was simulated to identify another unidentified bacterium. Identification of bacteria is important when choosing an effective treatment for a microbial-causing illness. This experiment …
Many athletes and sportsmen and women in the world have at one time or another toyed with the idea of using performance enhancing drugs in order to maximize their chances of winning in the competitions (Houlihan, 2002). (more…)
The application of heat is used for sterilization the duration of time and appropriate temperature should be considered to guarantee destruction of all microorganisms. Wherein, disinfection is used to apply chemicals to objects like chlorination of water so that pathogens will be killed. The implementation …
Your Inner Fish: A Review of Chapter 4 In Your Inner Fish, a book about the study of evolution in mammals, chapter four is dedicated to the study of teeth. Neil Shubin is explicit in his insistence that teeth are extremely important when studying evolution …
Van Dudes explicitly refutes the concepts of Thoreau suggesting that they, as the title of his work suggests, destroy democracy. Van Dudes feels that when man disobeys the law and separates from the democratic society he feels has failed, he simply pushes democracy further towards …
Introduction In this lab, we are going to learn how the stress of temperature affects fresh beets. We have come to learn that cell membranes organize the chemical activities of cells. All cells are made of plasma membranes, often called fluid mosaics. It is sometimes …
More than 6,000 years ago, ancient Egyptians used this plant for a variety of different things. Today, we have expanded on that idea. Although the place of origin is unclear, many believe that it was first discovered in Sudan. Later, it was introduced to the …
Fungi comprises a huge and varied group of organisms that have common characteristics with both the lower plants (algae) and lower animals but are not related to each other(1, a, b,c). They contain true mitochondria and a membrane-enclosed nucleus. They have no chlorophyll and chloroplast. …
One biological explanation for unipolar depression is the monoamine hypothesis. The monoamines are a group of neurotransmitters which include serotonin, noradrenaline and dopamine. You will recognise the latter, dopamine, from the biological offering of an explanation for schizophrenia. The monoamines are believed to regulate mood. …
This experiment tested the Earth and how the bio-geochemical cycles within it rely on each other. The worms relied on the ground for shelter and the plant for oxygen. The Ecosphere also evaluated limiting factors within an ecosystem because the bottle used was a small, …
It is important that cells go through mitosis because it makes each new cell contain the same gentic information. If meiosis did not occur the reproduction would cease to exist. Mitosis is the process of chromosomes dividing. There are four steps that it goes through. …
In maintaining effective communication, utilizing visual communication is an important part of advertising and/or expressing ideas without actually saying them. Visual Communication can be best utilized in a classroom. Shapes and colors, charts and graphs, and cartoons and illustrations are examples of the approaches to …
Eugenics: Designer Babies Okpurukre Isoken (Medical Ethics) Professor Ballantyne August 5th, 2009 Eugenics: Designer Babies Eugenics, in its broadest sense, is defined as “the study of or belief in the possibility of improving the qualities of the human species or of a human population, especially …
Biology is defined as the study of life while psychology examines the human mind and its processes, especially those affecting behavior. Biological perspective links biology and psychology by focusing on the analysis of human behavior based on biological and physical evidence.
Why is biology important? As a field of science, biology helps us understand the living world and the ways its many species (including humans) function, evolve, and interact. Advances in medicine, agriculture, biotechnology, and many other areas of biology have brought improvements in the quality of life.
Chemical biology deals with how chemistry can be applied to solve biological problems while biochemistry is the study of the chemistry of biology. In general, the chemical biology major focuses on small molecules while the biochemistry major focuses on proteins and nucleic acids.
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