Topic : The influence of computer viruses Nowadays ‚ most of our activities need computers .They are an excellent tool to help us solve quickly and effectively almost problems in our life. However‚ the computers are also very sensitive and may work wrongly if they are attacked by computer viruses . In fact ‚ the computer viruses may cause a lot of bad effects for users in which loosing data in computers‚ interupting business communication and stolen personal informations on the internet are
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Gut Bacteria In today’s world‚ many people have a very negative connotation when they hear the word “bacteria”. Bacteria have been the cause to many diseases‚ however bacteria do have some benefits and uses. There are thousands and thousands of different types of bacteria in the world and one group of bacteria‚ Gut Flora‚ has become evident in the bacterial community for being beneficial. Gut Flora is a group of bacteria that consists of microorganisms that live in the digestive tracts of animals
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Are viruses living or nonliving? Scientist all over are debating whether or not a virus is in fact a living organism. There are many different opinions about this touchy topic from many different scientists. My job was to read through all of these different opinions and decided which side I agreed with. Do I think that viruses are living or nonliving? The answer to that question is‚ I absolutely believe viruses are nonliving and ill tell you why. Just because a virus seems alive doesn’t mean
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Kirat Hundle 1. What is the difference between an element and a compound? An element is an isotope made of the number of neutrons it has. A compound is a substance made of two or more different elements (a mixture). 2. What is the periodic table? A periodic table is where the chemical elements are organized based on their atomic number (number of protons in the nucleus)‚ electron arrangement‚ and chemical properties. 3. Give two examples of each of the four major mineral groups (silicates‚ carbonates
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growth and measurement. To identify the resulting colonies a procedure called gram stain is used in the identification of bacteria. Bacteria can be gram-positive‚ gram-negative‚ or gram-variable. Most bacteria however‚ are usually gram-positive or gram-negative. Gram-positive and gram-negative bacteria react differently to staining because of the differences in their cell walls. Bacterial cell walls contain a polymer called peptidoglycan. Gram-positive bacteria have more of this polymer than
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Viruses‚ Viroids‚ and Prions copyright cmassengale 1 Are Viruses Living or Non-living? Viruses are both and neither They have some properties of life but not others For example‚ viruses can be killed‚ even crystallized like table salt However‚ they can’t maintain a constant internal state (homeostasis). copyright cmassengale 2 What are Viruses? A virus is a noncellular particle made up of genetic material and protein that can invade living cells. copyright cmassengale 3 Viral History copyright
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CHAPTER TWO Beneficial bacteria in the environment and their uses. In today’s world‚ the environment and its related issues are steadily gaining a lot of importance. Some bacteria are helpful and are used to obtain balance in the environment. It has been seen that helpful bacteria are useful in dissolving organic sludge from water‚ breaking down the growth of algae‚ reducing the various noxious odours such as hydrogen sulfide odours‚ reducing ammonia levels‚ promoting faster growth of fish in the
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conducted on the effect that antibiotics have on the growth of bacteria. This will be done through the use of microbiology. Microbiology is a science in the department of biology‚ particularly microorganisms. These include; bacterium‚ fungi‚ protozoa‚ algae and viruses. This is an important subject to study as microorganisms can be found everywhere‚ covering all matters of different surfaces even including the human body. Bacterium‚ or bacteria‚ is an important part to the experiment. Information about
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Parasites have evolved in a very specific and selective way throughout generations. Specific parasites have specific factors that influence their site selection process and that work in favor for the parasites. One important component that influences the parasite to become site specific is being host specific‚ which in turn affects the ability of extracting resources. The more efficient it is in extracting resources the better the chance of reproducing‚ which then increases the fitness of the parasite
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Parasites are organisms that live in another organism. They can cause infections and diseases. There are several group of parasites. People ask themselves questions are parasites dangerous or can they cause damage? The movie “Parasites: Eating us alive” answers and explains those questions. Some parasites can cause damage and may be very harmful. In 1993‚ a parasite called cryptosporidium spread through the state of Milwaukee. Unfortunately‚ some people of Milwaukee contracted this parasite through
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