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Biology Essay
Biology Essay Topics
Here's a list of Biology Essay topics, titles and different search term keyword ideas. The larger the font size the more popular the keyword, this list is sorted in alphabetical order:
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In this essay we will discuss about:- 1. Meaning of Virus 2. Host Specificity of Virus 3. Classification.
Essay on the Meaning of Virus:
Essay on the Meaning of Virus:
Biology Essay Examples
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Essay On Virus | Microbiology
Words: 2465 Pages: 9 Paragraphs: 39 Sentences: 189 Read Time: 08:57
In Latin, the word 'virus' means poison or venom. It was loosely used to mean any harmful agent until this name was assigned to a specific group of biological entities having, distinct physical and chemical properties. The understanding of the nature of viruses began in the early decades of the twentieth century. However, some of the severe diseases, now known to be caused by viruses, have been kn
Virus Essay HIV Life Cycle
Words: 525 Pages: 2 Paragraphs: 6 Sentences: 24 Read Time: 01:54
An HIV particle approaches and attaches to a lymphocyte. (Lymphocytes, which include helper T cells and killer T cells, are small white blood cells that are critical in immune defense and are HIV's principal target.)
In order to replicate itself, an HIV particle must get its RNA, which is the genetic blueprint for a new particle, inside the host cell. To do that, the viral particle must first b
Virus Essay In order to replicate itself, an HIV particle must get its RNA, which is the genetic blueprint for a new particle, inside the host cell. To do that, the viral particle must first b
Nuclear Energy - Advantages And Disadvantages
Words: 782 Pages: 3 Paragraphs: 16 Sentences: 48 Read Time: 02:50
Abstract "Growing concerns over climate change have highlighted the need to step up contribution of nuclear energy in the energy mix and to reduce the dependence on fossil fuels in the years to come. This essay discusses some of the major advantages and disadvantages of nuclear energy."
Introduction Nuclear energy represents only 15% of the electricity produced worldwide. Though in France, 80%
Introduction Nuclear energy represents only 15% of the electricity produced worldwide. Though in France, 80%
Nuclear Energy Essay
Words: 2928 Pages: 11 Paragraphs: 30 Sentences: 174 Read Time: 10:38
You are watching the control panels and gauges for rector two. Sitting comely you think about how easy your job is. It is a joke! All day you sit around and watch the gauges for reactor number two just to make sure they maintain their settings. You don't even need to look at the gauges either because a computer automatically regulates them without you. Life is so good. Suddenly all the sirens go o
+1Is Human Behavior Influenced By Genes Or Environment?
Words: 532 Pages: 2 Paragraphs: 6 Sentences: 29 Read Time: 01:56
Nature vs nurture is a popular cultural catch phrase used to describe an ongoing argument that dates back to the 13th century. This debate deals with the roles that heredity and environment play in human development. The basic argument has one side contending the people act as they do because of genetic predisposition or animal instinct. The other side, however, says some so called predispositions
Psychology Essay +1Birth Defects
Words: 2352 Pages: 9 Paragraphs: 22 Sentences: 144 Read Time: 08:33
No one is immune to birth defects, yet not everyone is equally susceptible. Birth defects are not merely a medical problem. They have profound effects on the social and psychological well being of their family and friends.
In the normal course of fetal development, cells migrate to their appropriate destination so that organs and limbs form where they should. Usually, the genes perform flawless
Anatomy And Physiology Essay +1In the normal course of fetal development, cells migrate to their appropriate destination so that organs and limbs form where they should. Usually, the genes perform flawless
Essay On The Importance Of Biodiversity
Words: 572 Pages: 2 Paragraphs: 8 Sentences: 20 Read Time: 02:04
Biodiversity, a contraction from biological diversity is a reference to the varied life forms on earth, plants, animals and micro-organisms, their varied genes pools and habitats in the desert, oceans, coral reefs, forests and elsewhere.
The health of an ecosystem is usually measured by the variation of life forms it is able to support. The existence of all life form is supported by an intricat
The health of an ecosystem is usually measured by the variation of life forms it is able to support. The existence of all life form is supported by an intricat
Essay On The Importance Of Amino Acid
Words: 502 Pages: 2 Paragraphs: 8 Sentences: 17 Read Time: 01:49
Amino acid is a biological molecule present in all plants and animals, made up of amine and carboxylic acid.
This molecule was discovered in the eighteenth century, since then studies have revealed its immense importance for plant and animal life. Although there are about 500 different forms of amino acids known to scientists, usually differentiated by their atomic structures, what is usually m
Health Essay Anatomy And Physiology Essay +1This molecule was discovered in the eighteenth century, since then studies have revealed its immense importance for plant and animal life. Although there are about 500 different forms of amino acids known to scientists, usually differentiated by their atomic structures, what is usually m
Short Essay On The History Of Viruses | Cell Biology
Words: 1697 Pages: 6 Paragraphs: 29 Sentences: 92 Read Time: 06:10
The virus comes from Latin language and means poison. This use of the word goes back to many hundreds of years, long before anyone really knew what a virus was, or that it even existed as we know it today It was generally believed that these 'viruses', or poisons, were carried in the night air and could cause many unexplained diseases.
In 1770, a virus disease 'leaf roll' of potato was observed
In 1770, a virus disease 'leaf roll' of potato was observed
Physical, Chemical And Biological Properties Of Soil
Words: 2528 Pages: 9 Paragraphs: 45 Sentences: 169 Read Time: 09:11
The physical chemical and biological properties determine both the fertility and productivity of soils.
A. Physical Properties:
The physical properties include texture, structure, and colour.
Soil Texture refers to the particle sizes composing the soil. These particles are classified as gravel, sand, silt and clay in decreasing order of size. Four textural types are recognised. These are
Science Essay +1A. Physical Properties:
The physical properties include texture, structure, and colour.
Soil Texture refers to the particle sizes composing the soil. These particles are classified as gravel, sand, silt and clay in decreasing order of size. Four textural types are recognised. These are
Living Organisms Essay
Words: 871 Pages: 3 Paragraphs: 19 Sentences: 51 Read Time: 03:10
The smallest structural units of matter (living as well as nonliving) are subatomic particles. The next larger units are atoms, each of which consists of subatomic particles. Atoms in turn form still more complex combinations called chemical compounds (molecules).
Chemical compounds are variously joined together as even more elaborate units or complexes of compounds (macro-molecules). These uni
Chemical compounds are variously joined together as even more elaborate units or complexes of compounds (macro-molecules). These uni
Essay On The Chemical Nature Of Fresh-Water
Words: 1957 Pages: 7 Paragraphs: 42 Sentences: 136 Read Time: 07:06
The fresh-water of both kinds-lentic and lotic, has low percentage of dissolved salts and is subjected to the influence of a wide array of physical and chemical factors.
The rise and fall of these factors very frequently affect the fauna, altering their number and diversity. Some of the important factors of fresh-water environment are following:
Pressure, Density and Buoyancy:
The pressur
The rise and fall of these factors very frequently affect the fauna, altering their number and diversity. Some of the important factors of fresh-water environment are following:
Pressure, Density and Buoyancy:
The pressur
Characteristic Of Lotic Ecosystems
Words: 1869 Pages: 7 Paragraphs: 35 Sentences: 116 Read Time: 06:47
Moving-water or lotic ecosystems include rivers, streams, and related environments. They are remarkably variable, ranging in size from Ganga, Yamuna, Hindon, Kali Nadi, Sutlaj, Gomti, etc., to the trickle of a small spring. They vary from raging torrents and waterfalls to rivers whose flow is so smooth as to be almost unnoticeable.
A given river varies considerably over its length, as it change
A given river varies considerably over its length, as it change
The Important Types Of Biochemical Cycles
Words: 437 Pages: 2 Paragraphs: 7 Sentences: 22 Read Time: 01:35
There are two types of biochemical cycles, the gaseous and the sedimentary. In gaseous cycles the main reservoir of nutrients is the atmosphere and the ocean.
In sedimentary cycles the main reservoir is the soil and the sedimentary and other rocks of the earth's crust. Both involve bionic and abionic agents, both are driven by the flow of energy and both are tied to the water cycle.
Water Cy
In sedimentary cycles the main reservoir is the soil and the sedimentary and other rocks of the earth's crust. Both involve bionic and abionic agents, both are driven by the flow of energy and both are tied to the water cycle.
Water Cy
Essay On Adaptations And Ecotypes
Words: 706 Pages: 3 Paragraphs: 14 Sentences: 37 Read Time: 02:34
Organisms can respond to environmental stress in such a way that their tolerance zones may change. The genetic changes that occur during the evolution of the species because of mutation and natural selection are called adaptations.
Presumably, each species is fairly well adapted or fit, if it has been in its particular environ-ment for many generations. The range of tolerance of a species may b
Science Essay Presumably, each species is fairly well adapted or fit, if it has been in its particular environ-ment for many generations. The range of tolerance of a species may b
Overlapping Niches And Niche Separation
Words: 450 Pages: 2 Paragraphs: 9 Sentences: 22 Read Time: 01:38
Though two popula-tions cannot coexist in a given habitat with precisely the same niche, it is highly probable that the niches of different populations will show varying degrees of overlap.
This occurs when two organi-sms use the same resource, such as food. Thus the concept of the niche is clo-sely associated with the concept of competitive exclusion and competitive relationships among spices
Science Essay This occurs when two organi-sms use the same resource, such as food. Thus the concept of the niche is clo-sely associated with the concept of competitive exclusion and competitive relationships among spices
Predation : Components & Effects
Words: 1120 Pages: 4 Paragraphs: 21 Sentences: 69 Read Time: 04:04
Predation is a form of disoperation, at least in point of im-mediate effects, since one animal kills another animal or plant for food Like parasitism, predation is important in community dyna-mics but both differ in the point that a predator tends to be large than its and it catches its prey from without, while a parasite is smaller than its host and consumes it from within.
Components of preda
Science Essay Components of preda
Biological Significance Of Increasing Complexity And Organization In Living Beings
Words: 426 Pages: 2 Paragraphs: 9 Sentences: 22 Read Time: 01:32
The trend of increasing complexity and organisation from lower level toward higher one produces following new properties: cooperation, division of labor and specialization.
One property which arises at each new higher level of organisation is united, integrated function. Disunited structure means independent function and by extension, competition; while united structure means joint function and
One property which arises at each new higher level of organisation is united, integrated function. Disunited structure means independent function and by extension, competition; while united structure means joint function and
Short Essay On Biotic Community
Words: 634 Pages: 2 Paragraphs: 12 Sentences: 34 Read Time: 02:18
All the living entities of an ecosystem form a single biotic component, the community. All the organisms of a community live together, share same habitat and influence each other's life directly or indirectly.
Various vital life processes such as growth, nutrition, reproduction and distribution depend very much upon the interac-tions between the individuals of same species (intra specific inter
Various vital life processes such as growth, nutrition, reproduction and distribution depend very much upon the interac-tions between the individuals of same species (intra specific inter
Speciation Essay
Words: 311 Pages: 1 Paragraphs: 7 Sentences: 14 Read Time: 01:07
Through mutation and introgression followed by selection, modification of gene frequencies (genetic drift) and recombination, many species populations come to be composed of a number of freely interbreeding biotypes or races, each adapted to a particular combination of parameters in the habitat.
Such a species is called polytypic species. When the component populations of a polytypic species ar
Science Essay Such a species is called polytypic species. When the component populations of a polytypic species ar
The Concept Of Levels Of Organism And Biosphere
Words: 300 Pages: 1 Paragraphs: 6 Sentences: 19 Read Time: 01:05
An evident unit of life in nature is the individual organism. Linguistically as well as biologically, the root of the word 'organism' is organisation: a characteristic structural order. Each kind of living organism possesses a certain degree of organisation which enables them to perform different life activities. In fact, close examination of the any aspect of the living world reveals that everyth
Our Biological Motives Essay
Words: 951 Pages: 3 Paragraphs: 17 Sentences: 69 Read Time: 03:27
Biological motives originate from our biological make up. Biological motives can arise due to:
(i) Our genetic makeup.
(ii) Brain process and nerves cell activity.
(iii) Hormonal influence
There are many such motives, including hunger, thirst, a desire for sex, temperature regulation, sleep, pain, avoidance and a need for oxygen.
1. Hunger Motivation:
There are three theories th
(i) Our genetic makeup.
(ii) Brain process and nerves cell activity.
(iii) Hormonal influence
There are many such motives, including hunger, thirst, a desire for sex, temperature regulation, sleep, pain, avoidance and a need for oxygen.
1. Hunger Motivation:
There are three theories th
Essay On Development Of Bio-statistics
Words: 477 Pages: 2 Paragraphs: 9 Sentences: 27 Read Time: 01:44
The origin of modern statistics can be traced back into the 17th century, in which it derived from two sources. The first of these related to political science and developed as a quantitative description of the various aspects of the affairs of a government or state (hence the term statistics). This subject also becomes known as political arithmetic.
Taxes and insurance caused people to become
Taxes and insurance caused people to become
Microbial Genetics
Words: 253 Pages: 1 Paragraphs: 7 Sentences: 13 Read Time: 00:55
Genetics is a relatively new field of biology and most associate this science with Johann Gregor Mendel (1822-84), who was the first person to formulate any laws about how characteristics are passed from one generation to the next. This kind of study is often called Mendelian genetics.
His work was not generally accepted until 1900, when three men working independently rediscovered some of the
Science Essay His work was not generally accepted until 1900, when three men working independently rediscovered some of the
The Importance Of Gregor Mendel's Work
Words: 416 Pages: 2 Paragraphs: 6 Sentences: 24 Read Time: 01:30
Gregor Mendel's work actually was far ahead of his times and the scientific world at that time was not in a position to appreciate the fundamental nature of his contribution. In fact it is not an exaggeration to say the science of genetics got a firm foundation from his work. It was Mendel who thought of a physical basis for inheritance. It was he again, who proposed that inheritance of characters
Science Essay Essay On Mendel
Words: 466 Pages: 2 Paragraphs: 7 Sentences: 23 Read Time: 01:41
Gregor Mendel, while enunciating, his law of independent assortment, ascertained that two or more elements, that constitute a hybrid, undergoes independent segregation without being influenced by the other. Mendel's principles of independent assortment apply not only to genes but to chromosomes as well, so that paternal and maternal chromosomes are segregated to separate gametes during meiosis. It
Science Essay Mendelism
Words: 389 Pages: 1 Paragraphs: 11 Sentences: 26 Read Time: 01:24
The story of Gregor Mendel's life history and work is a curious mixture of luck and misfortune. Mendel was lucky because the experimental organism and the characters he chose to enunciate the laws of inheritance were admirably suited than any other organism; the misfortune is, the scientific world just ignored his epoch making discoveries."
The story of success and yet a failure to get apprecia
Biographical Essay Science Essay The story of success and yet a failure to get apprecia
Essay On The Cell
Words: 435 Pages: 2 Paragraphs: 6 Sentences: 29 Read Time: 01:34
One of the marvels of nature is the creation of tiny yet potent biological compartments called cells. There is virtually no living being in the biological world saves for Viruses which is not cellular. Either one, two or many millions of cells go to make the body of the living beings. A cell may be defined as the 'structural and functional unit of a living being. It is the minimal biological unit
Science Essay Essay On The Endoplasmic Reticulum
Words: 620 Pages: 2 Paragraphs: 16 Sentences: 49 Read Time: 02:15
The cytoplasm in the cells of most of the plants and animals is traversed by a network of anastomosing fibrillar structures called endoplasmic reticulum (ER). Originally known as ergastoplasm, the current name ER was given by Porter and Kaallman (1952).
The ER is connected to the outer nuclear membrane with the ER space opening into the perinuclear space between two membranes. The ER is known t
Anatomy And Physiology Essay Science Essay The ER is connected to the outer nuclear membrane with the ER space opening into the perinuclear space between two membranes. The ER is known t
Essay On Mutation
Words: 420 Pages: 2 Paragraphs: 12 Sentences: 24 Read Time: 01:31
The term mutation was first coined by Hugo devries in the early 1900 to designate sudden and drastic changes that occurred in plants.
Devries conducting breeding experiments on the plant Oenothera lamarckiana (Of the family Onagraceae) commonly called the Evening primrose.
He noticed that some of the progeny possessed characters which were not to be found in either of the parental types. He
Science Essay Devries conducting breeding experiments on the plant Oenothera lamarckiana (Of the family Onagraceae) commonly called the Evening primrose.
He noticed that some of the progeny possessed characters which were not to be found in either of the parental types. He
The Safety Implications Of Genetic Engineering Research
Words: 538 Pages: 2 Paragraphs: 15 Sentences: 22 Read Time: 01:57
The scientific committee at large and biologists in general have been thinking for a very long time as to how to introduce some sense into genetic engineering research.
While it may not be prudent to indulge in genetic engineering for problems which can be solved otherwise it is equally true that genetic engineering cannot be totally given up as it indeed has the potential of solving some of th
Science Essay While it may not be prudent to indulge in genetic engineering for problems which can be solved otherwise it is equally true that genetic engineering cannot be totally given up as it indeed has the potential of solving some of th
The First Molecular Model For DNA Structure
Words: 523 Pages: 2 Paragraphs: 13 Sentences: 44 Read Time: 01:54
A molecular model for DNA structure first proposed by J.D.Watson and F.H.C Crick (1953) has been universally accepted.
They were awarded Nobel Prize for their discovery. The work of Crick and Watson has been supported by X-ray diffraction picture obtained by Wilkins and his associates.
According to this model, a DNA molecule is composed of two chains that are spirally coiled and form a doubl
They were awarded Nobel Prize for their discovery. The work of Crick and Watson has been supported by X-ray diffraction picture obtained by Wilkins and his associates.
According to this model, a DNA molecule is composed of two chains that are spirally coiled and form a doubl
The Importance Of DNA In The Synthesis Of Proteins
Words: 526 Pages: 2 Paragraphs: 15 Sentences: 30 Read Time: 01:54
Most of the vital activities of the cell are controlled by the two master molecules namely proteins and nucleic acids. Proteins are important both from the point of view of structure and function of the cell.
Structurally proteins constitute in integral part of membranes, pigments etc. Functionally in the form of enzymes, proteins play such a vital role in cell physiology, that without proteins
Structurally proteins constitute in integral part of membranes, pigments etc. Functionally in the form of enzymes, proteins play such a vital role in cell physiology, that without proteins