Biology Essays and Term Papers

Bacteria: Friend or Foe

Most people think that all bacteria are harmful to mankind. But scientifically, there are bacteria which actually are beneficial to us. It is just that only a few people know about these. Bacteria are the most common and ancient microorganisms on earth. Most bacteria are microscopic, measuring 1 ...

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Thermoregulation Essay

Thermoregulation is the ability of an organism to keep its body temperature within certain boundaries, even when the surrounding temperature is very different. This process is one aspect of homeostasis: a dynamic state of stability between an animal's internal environment and its external ...

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Genetics sordaria abstract

Sordaria fimicola is made of haploid cells in a hyphae. Two haploid strains can be induced to undergo a sexual process in which they fuse to form diploid zygotes. After asgonia appears on hyphae meiosis occurs, creating haploid ascospores contained in a linear order in ascus (asci). Recombination ...

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Genetically Modified Foods: Great Benefits

Genetically modified foods, or genetically engineered (GE) foods, are manipulated and scientists alter the genetic makeup to enhance the foods' nutritional value, boost their resistance to disease, insects and weeds, or lengthen their “shelf lives”, the length of time they remain edible before ...

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Cats

The cat (Felis catus), also known as the domestic cat or housecat[5] to distinguish it from other felines and felids, is a small furry domesticated carnivorous mammal that is valued by humans for its companionship and for its ability to hunt vermin and household pests. Cats have been associated ...

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Fishing Down Marine Food Webs

The World’s last major “Wild” food resource is in major harm. Throughout all of the World’s bodies of water lie many marine organisms vital to the human population. In the ocean’s, large predator fish that inhabit the higher trophic levels of the water column are being targeted more in the act ...

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Cats Are Ideal Housepets

The essay below demonstrates the principles of writing a basic essay. The different parts of the essay have been labeled. The thesis statement is in bold, the topic sentences are in italics, and each main point is underlined. When you write your own essay, of course, you will not need to mark these ...

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Ethnobotanical Research

Ethnobotanical Research, Review The nettle plant or root has been used in traditional folk medicine for many years. Almost all Native Americans used the nettle for a many reasons, like to stop nosebleeds, as a painkiller, and to slow arthritis. The tribes used its herbal steam to relieve pain, ...

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Bio Review: The Cell

Unit Two: The Cell Chapter 7 - Tour of the Cell MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) What limits the resolving power of a light microscope? A) the type of lens used to magnify the object under study B) the shortest ...

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Heart Worms

Dirofilaria immitis Parasites are an unpleasant fact of life. Parasites come in all shapes and sizes and stages of development and can be very hard to diagnose. Parasites are organisms that reside and feed on the host in order to survive. There are a number of parasitic infestations that ...

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Purple Sea Star

Chris Miller Ms. Moore Zoology 24 March 2011 Purple Sea Star 1. Pisaster ochraceus, or purple sea star. 2. Pisaster ochraceus means “ocher-colored star.” 3. The purple sea star was discovered by Brandt in 1835. 4. Kingdom – Animalia Phylum – Echinodermata Class – ...

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Compost

The Analysis of Composts The term compost has been defined by Zucconi and Bertoldi (1987) as ‘the stabilized and sanitized product of composting which is beneficial to plant growth. It has undergone an initial, rapid stage of decomposition and is in the process of humification.’ The initial ...

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Identification of TFB5, a new component of general transcription and DNA repair factor IIH

During this experiment scientists discovered a new component of transcription and DNA repair factor IIH, protein TFB5. After reading this paper I have learned the roles of YDR079c-a in general transcription. YDR079c-a is a suppressor of UV light sensitive mutant which is important because the ...

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Genetic Determinism

What role do genes play in how organisms develop? To answer this question we must distinguish the genotype from the phenotype. Genetic determinism means that the genotype completely determines the phenotype, that is, the genes completely determine how an organism turns out. Basically genetic ...

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Biology (DNA)

mutation: a change in the DNA sequence that is inherited frameshift mutation: a mutation that causes the reading frame of codons to change, usually resulting in different amino acids being incorporated into the polypeptide point mutation: a mutation at a specific base pair in the ...

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Plant Cells Part

Nucleus Nucleus is a highly specialized cell organelle, which stores the genetic component (chromosomes) of the particular cell. It serves as the main administrative center of the cell, by coordinating the metabolic processes like cell growth, cell division and protein ...

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PP2A inhibitors induce apoptosis in pancreatic cancer cell line PANC-1 through persistent phosporylation of IKK and sustained activation of the NF-kB

The collective 1-year survival from the time of diagnosis at any stage is only 26%, while 5-yuear survival falls down to <5%. The main reason for such poor outcomes is mostly due to the fact that the first diagnosis is made at late stages and its overall resistance to available therapies. Even ...

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Bacteria

Introduction: As a university that is ever growing in student population Midwestern State University is an alluring facility for great opportunities. As students we have vast worries, one being the transfer of sickness caused by bacteria from inanimate objects on campus. With the population ...

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Cats

Unlike dogs, cats do not bark or make other loud noises. Most cats don't even meow very often. They generally lead a quiet existence. Cats also don't often have "accidents." Mother cats train their kittens to use the litter box, and most cats will use it without fail from that time on. Even stray ...

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Cryonics

Cryonics (from Greek kryos- meaning icy cold) is the low-temperature preservation of humans and animals who can no longer be sustained by contemporary medicine, with the hope that healing and resuscitation may be possible in the future. Cryopreservation of people or large animals is not reversible ...

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Moose Attacks

Moose Attack No matter how trained, how experienced, or how focused one is, nothing, absolutely nothing can prepare you for the intense shock of seeing a six-hundred pound beast charging at you with all its might Moose are savage wild beast who do, ...

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Cerebro Y Lectura

The brain can be understood as an organ that adapts to several types of internal and external influences. The interaction of these complex concurrent stimuli along life shapes the highly differentiated biologic arrangement of the brain and its consequent physiology, at any given time. The past ...

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The Effect of Temperature

Abstract: An enzyme is a substance that acts as a catalyst, or something that increases the speed of a reaction, in a living organism. In fruits and vegetables, catechol is a substrate that is oxidized and becomes benzoquinone, with the help of the enzyme, catechol oxidase. This reaction turns ...

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Development of Mathematical Models for the Analysis of Hepatitis Delta Virus Viral Dynamics

Hepatitis delta virus is considered to be a satellite virus of the hepatitis B virus, because HDV’s outer envelope has surface antigens that are encoded by the genome of HBV. HDV is a small circular RNA virus, which means that it has ribonucleic acid as its genetic material. HDV can either ...

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Fish

A fish is any gill-bearing aquatic vertebrate (or craniate) animal that lacks limbs with digits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish, as well as various extinct related groups. Because the term is defined negatively, and excludes the ...

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