Chimpanzee Droppings Lead Scientists to Evolutionary Discovery by Erica F. Kosal‚ Biology Department‚ North Carolina Wesleyan College Part I—Chimpanzee Behavior Far in the remote western African jungles of Cameroon‚ Dr. Beatrice Hahn and her team of scientists from the University of Alabama have been examining chimpanzee droppings. Members of the great ape family‚ chimpanzees typically travel in groups of to animals‚ forming smaller subgroups to forage during the day and then coming together
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Since smallpox disease was eradicated many human pox viruses have emerged .Monkeypox received most of the attention. Monkeypox is an infection zoonotic disease caused by the Monkeypox virus which it is a member of the family ’Poxviridiea. The disease is located mostly in Central and West Africa. The reason of why is the disease named as "Monkeypox" is because scientists discovered it first in a type of monkey in a laboratory in Copenhagen‚ Denmark in 1958. The scientists found that the clinical symptoms
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Severe Acute Respiratory Syndrome is caused by a virus‚ not a certain type of bacteria. This virus belongs to a class of viruses called coronavirus. Since SARS was an outbreak caused by a virus that was previously unknown‚ scientist named the virus that causes SARS‚ SARS-associated coronavirus (SARS-CoV). World Health Organization (WHO) physician Dr. Carlo Urbani identified SARS as a new disease in 2003 when he diagnosed a severely ill 48-year old businessman who was traveling from the Guangdong
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Life Cycle of Bacteriophage. Bacteriophage: Bacteria eating virus is called bacteriophage. Life Cycles: There are 2 types of lifecycles that occur in the bacteriophage: 1) Lytic Cycle 2) Lysogenic Cycle 1) Lytic Cycle: In lytic cycle‚ virus that is the bacteriophage causes lysis of the host cell. It is virulent phage. 2) Lysogenic Cycle: In lysogenic cycle‚ the bacteriophage does not cause lysis
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Are Viruses Alive? 1. Describe how a virus differs from bacteria. Most Viruses are harmful and their only purpose is to invade a host cell‚ reproduce and destroy the host cell in the process. Close to 99% of bacteria are beneficial with only a few that cause diseases. Life on earth could not exist without bacteria. Bacteria produce nearly half of the oxygen found in the atmosphere. Viruses have no cells‚ nucleus‚ cytoplasm or cell membrane. Viruses consist of tiny particles of nucleic acid
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again. But the virus stays in your body long after you get over the illness. If the virus becomes active again‚ it can cause a painful viral infection called shingles. *Symptoms: - Early symptoms (often preceding the rash symptoms): Aching - Tiredness - Headache - Fever - Sore throat - Malaise. - Rash symptoms: Itchy skin rash - Blister-like rash Itchy blisters - Scalp & Mouth & Throat & Genital blisters. *Causes: Chickenpox is caused by the varicella-zoster virus. You catch it by
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named as such) because they : a. could not be grown b. were very small c. were alive d. ate bacteria e. C and D 4. Phage therapy is to : a. Use a virus to kill a virus b. Use viruses to kill cancer cells c. Use viruses to kill bacteria d. Perform gene therapy e. Eat probiotics 5. What is probably the main reason to NOT use animals for determining virus counts: a. Mice are cute b. High Cost c. Reproducibility d. Study pathogenesis e. Fast 6. Incubation is
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effects are limited to plants. However‚ a similar infectious agent‚ a virusoid‚ causes type D hepatitis‚ an exceptionally virulent form of that disease. Virusoids are single-stranded‚ circular RNA molecules‚ like viroids‚ but they require a helper virus to infect. In the case of hepatitis D‚ the virusoid requires the protein coat of hepatitis B for
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infection that is occasionally triggered by the Epstein-Barr Virus (EBV) that can leave a feeling of a tiredness‚ fever‚ and sore throat that can last for days‚ weeks or possibly months. It is known to be one of the world’s greatest common infections. Another virus that may create a similar mono virus is called Cytomegalovirus (CMV). Mono can spread from the saliva which is why it is frequently referred to as the “kissing disease”. This virus is found most commonly in youth and young adults‚ but anyone
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Rabies is a virus that spreads easily. Rabies causes the brain to expand and inflame in humans and mammals. The virus affects the nervous systems of the brain and spinal cord of mammals(Medbroadcast‚2017). The inflammation in the brain causes the brain to function differently(MedBroadcast‚2017). Rhabdovirus‚ single stranded RNA viruses‚ is the causative agent for rabies. The rabies virus is enveloped‚ it is covered/surrounded by a covering for protection. The rhabdovirus contains up of a helical
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