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Unit 3 Assignment 1 Biotechnology Answers

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1. A viruses is a non-living infection agent and can be found anywhere. it has no cell organelles. They are eliminated by the immune system. Viruses are the smallest in size of all the microbes. they may attack almost any living organism. Viruses will invade a cell in the body and uses part of the cell to multiple causing new viruses to produce. Bacteria are much larger than viruses. they live everywhere. many bacteria will not cause an infection. Bacteria multiple itself by division. Viruses and bacteria both are microscopic, contain proteins, and cause disease.
2. (a) A vector is known as an infected insect that carries the disease from one animal to another and from one plant to another. The difference between a vector and a host is a vector is the …show more content…

Microarray technology is a emerging technology that is use to study many types of genes all at once. The importance of microarray technology is allows researchers to address issues that may come about. Microarray possess a large amount of genes.
9. EPA stands for Environmental Protection Agency. EPA protects the health of humans and the environment by enforcing laws. CDC stands for Center for Disease Control. CDC is a federal agency which falls under the Department of Health and Human Services. It’s main purpose is to protect eh public health and safety. NIH stands for National Institutes of Health. NIH is dedicated to medical research and it falls under the Department of Health and Human Services also.
10. The four major causes of changes in allele frequency in population are Genetic Drift, Natural Selection, Mutations, and Non-Random mating. Natural selection focused on increasing of the gene pool, due to changes in the environment. Mutations deals with the production of DNA cells based on a natural selection by chance. Genetic Drift is solely based on changes and has nothing to do with natural selection. Non-Random mating deals with that populations that chooses their mates based of their

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What are viruses? An infective agent that typically consists of a DNA acid molecule in a protein coat, is too small to be seen by a microscope, and is able to multiply only within the living cells of a host; viruses are smaller than any infectious bacterial particles. Viruses rely on the host cells they infect to reproduce. While outside of host cells, viruses are protein coats or capsids, sometimes inside a layer of film.

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Science 1. Free ears in dogs are controlled by dominant allele (F), and attached ears are controlled by the recessive allele (f). In addition, Short dogs is due to a dominant allele(S), and long hair is due to a recessive allele (s). Which of the following is the genotype of the dogs with free ears and short hair? a. ffss b. FfSs c. ffSs d. Ffss 2.

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The CDC works around the clock to monitor and prevent disease epidemics, develop disease prevention policies, and nurture safe environments. The CDC also leads public health efforts to prevent and control infectious and chronic diseases and environmental health coercions. The agency focuses on reinforcement surveillance and epidemiology, improving health globally, providing aid to local and state health departments, decreasing causes of death, and improving health procedures. The CDC 's disease prevention efforts comprise of making the public aware on how to identify and avoid getting infectious diseases, like a cold or strep throat.

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Experiment 1-A Experiment 1-B Figure 3. Accuracy in Experiment 1. The darker the area is, the higher the accuracy of the area is. Experiment 1-A Experiment 1-B Figure 4. Time in Experiment 1.

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Next there are certain characteristics that determine if something is alive or non-living. Such as being able to grow and develope, being able to reproduce, being able to obtain and use energy, being able to interact with its environment, and it must have one or more cells. A virus lacks four of the five characteristics. Viruses can’t reproduce without a host cell, they don’t interact with their environment, they don’t obtain and use energy, and they don’t have any cells.

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Genetic Drift is a random process which dictates which alleles survive from one generation to the next. Gene Flow happens when genes are combined from one population to another. 2. Balanced Polymorphism happens

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As more research is done on microbes, perhaps the definition will change, but until then, the evidence points to one conclusion: viruses are not

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Viruses are generally considered as non-living due to the fact that they are not cells, they do not contain cells and lack living components such as a cell membrane, and they also require a living organism to multiply. Outside of the host, they are classified as non-living. Discovered in 1892 as a strange non-bacterial pathogen infecting tobacco plants (currently identified as tobacco mosaic

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Viruses are not considered to be living organisms for the following reasons: they are not composed of cells, they can’t metabolize to make their own energy, and they cannot replicate independently. One of the factors that make living organisms such as humans, animals, and bacteria alive is the fact that they are composed of at least one cell. Whereas viruses only contain a protein coat called the capsid and posses zero organelles. Also, viruses cannot metabolize or make energy on their so as a result, they can only receive energy from another cell, their host. Lastly, viruses cannot replicate and reproduce alone.

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Viruses, unlike bacteria, are not cells; they are parasitic invaders and consist of a fragment of genetic material, either DNA or RNA, inside a protective protein coating. (Science dimensions 4) Viruses can only reproduce inside host cells. Once inside, they take over the control of the cell and program it to make even more virus particles. When the number of virus particles reaches its maximum, the cell breaks apart, releasing the virus and allowing it to attack other cells. Sometimes Viruses can remain inactive for long periods of time following the invasion of cells.

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The Centers for Disease Control and Prevention (CDC) is the premier source of information on issues of health, safety, and security that threaten the welfare of Americans both locally and abroad. The Centers for Disease Control and Prevention combats disease manifesting from countless etiologies by conducting vital scientific research and disseminating this information to protect our nation from costly and detrimental threats to our health, as well as responding immediately whenever such hazards arise.

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Influenza/ Flu -What is the flu? It is an extremely contagious respiratory illness it is A or B viruses. It appears more frequent in the body by spreading through the upper and lower respiratory. What’s the difference between a cold and flu? The symptoms can be very similar, but the flu can be very much worse.

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Influenza/ Flu -What is the flu? It is an extremely contagious respiratory illness it is A or B viruses. It appears more frequent in the body by spreading through the upper and lower respiratory. What’s the difference between a cold and flu? The symptoms can be very similar, but the flu can be very much worse.

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Written assignment unit 7 (13th October – 19th October) Yes, steps should be taken to minimize the negative impacts of movement of people, food and manufactured goods on human health. Globalization is not something which will vanish or will get slower after some time, it will stay here for long. Currently, we can see the increase in incorporation of different countries and its people, culture, food, trade, within the whole world getting bigger. We should not stop the incorporations but what we can stop is the negative impacts which many items or things carry with them during the movements.

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In fact, this couldn't be further from the truth. HIV is a virus and AIDS is a collection of illnesses. Knowing the difference between the two is a very important part of understanding both. Simply put HIV and AIDS are not the same thing. 11.

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