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Prokaryotes Essays and Term Papers
Changes In The Atmosphere Causing MulticellularityAbout 2.5 billion years ago, oxygen began slowly to accumulate in the
atmosphere, as a result of the photosynthetic activity of the cyanobacteria.
Those prokaryotes that were able to use oxygen in ATP production gained a strong
advantage, and so they began to prosper and increase. Some of these ...
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Evolution and Natural Selection1. First off, evolution is a change in the genetic frequencies of alleles (genes) in a population over time causing a new species to form. Natural selection basically means that an organism living in a particular environment inherits or already obtains adaptations/physical characteristics that will ...
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Classifying OrganismsQuestion 1. What are the advantages of classifying organisms?
Answer : There are many advantages of classifying organisms which are given as below
1. Classifying organisms helps us in recognising the basic arrangement of a hierarchical structure among diverse species.
2. It tells us about ...
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MicrobiologyI. What is ?
A. Explanations
1.
2. Microbiologist
II. The Beginning of Microbiology
A. Robert Hooke
1. Zacharias Jansen and the creation of a
microscope
2. Hooke and his discoveries
B. Other Discoveries
1. Jan Swammerdam
2. Marcello Malpighi
C. Anton van ...
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Protein Synthesisis one of the most fundamental biological processes. To start off, a protein is made in a ribosome. There are many cellular mechanisms involved with . Before the process of can be described, a person must know what proteins are made out of. There are four basic levels of protein ...
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EvolutionINTRODUCTION ............................................... 2
DARWINIAN THEORY OF .............................. 4
THE THEORY OF BIOLOGICAL : CONTRIBUTING ELEMENTS ..7
WALLACE'S CONTRIBUTIONS ................................... 13
HARDY-WEINBERG PRINCIPLE .................................. ...
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The Making Of The Cat------------------------
Soup or Sandwich
IN THE VERY BEGINNING, about 4.6 billion years ago (give or take a few
years), a small ball of rock, water and gas had come to be and immedi-
ately set about the process of combining its atoms into more and more
complex arrangements. Thus began that ...
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Animals And Their PurposeAnimals. What's their purpose on earth? Are they a group of organisms for humans to play with? Among many other things, animals are here as guinea pigs so humans don't have to be. Human life is so valued by today's society that using humans for dangerous jobs, or brand new experiments is ...
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Mitochondriaare responsible for energy production. They are also the
responsible location for which respiration takes place. contain
enzymes that help convert food material into adenosine triphosphate (ATP), which
can be used directly by the cell as an energy source. tend to be
concentrated near cellular ...
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Basic Discription Of MicrobiologyThey’re out there! You can’t see them but they can see you. Right at this very moment they are living on and in your body, and there is nothing you can do about it!
This may sound like the beginning of a horror movie, but it isn’t. It is actually a very basic description of a very broad ...
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Formation Of ProtocellsToday, we've realised that the very first life on Earth was indeed originated from abiotic surroundings. In fact, organic molecules have been successfully generated from abiotic elements by scientists
To understand how this creation of life from abiotic material occured, we have to consider a ...
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Cellular Metabolism And FermentationGlycolysis, the Universal Process | Anaerobic Pathways | Aerobic Respiration
Glycolysis, the Universal Process | Nine reactions, each catalyzed by a specific enzyme, makeup the process we call glycolysis. ALL organisms have glycolysis occurring in their cytoplasm.
At steps 1 and 3 ATP is ...
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Concept Of SpeciesOver the last few decades the Biological Species Concept (BSC) has become
predominately the dominant species definition used. This concept defines a
species as a reproductive community.
This though has had much refinement through the years. The earliest
precursor to the concept is in Du Rietz ...
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Cell DivisionCells can divide in three ways, binary fission, mitosis, and meiosis. Prokaryotes reproduce by binary fission in which the cell basically divides in half. The single, circular DNA, attached to the plasma membrane, duplicates, and the cell begins to grow. Continued growth of the cell separates ...
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EvolutionTABLE OF CONTENTS Page
INTRODUCTION ............................................... 2
DARWINIAN THEORY OF EVOLUTION .............................. 4
THE THEORY OF BIOLOGICAL EVOLUTION:
CONTRIBUTING ELEMENTS ....................... 7
WALLACE'S CONTRIBUTIONS ...
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Bacteria on Cell Phones?Problem:
Is there is bacteria growing on cell phones, and if there is, how much?
Background Research:
Bacteria are classified into two kingdoms, Eubacteria and Archaebacteria. They are found everywhere, especially Eubacteria. Bacteria are microscopic prokaryotes. They are heterotrophs, ...
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ScienceSummary 1 • Section 1 • 94-96
Vocabulary:
•Photosynthesis - is the process in which light energy is converted into chemical energy.
•Autotrophs - an organism that produces it's own nutrients from inorganic substances or from the environment instead of consuming other ...
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