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- Antibiotics are chemical substances derived from microbes like_____.a) Fungi, Algae b) Fungi, Bacteriac) Fungi, Virus d) Bacteria, AlgaeWhich of the following is NOT a method of culturing/growing viruses? A) in embryonated eggs B) in cell culture C) on a bacterial lawn D) in enitre animals or plants E) in media ONLYi. What is Viroid how these viruses infect plant cells? How it differ from animal virus? iv. If you are asked to culture virus how it proceeds and which type of conditions will be needed to grow virus cells? v. Which type of sterilizing agents can be used in preservation of animals cells/tissues? How can we kill all types of microbes and which types of techniques can be used?
- Why was it difficult to break the chain of infection during the Zika outbreak? A. Scientists couldn't figure out how the virus even started. B. Because scientists hadn't yet realized it was impossible to break the chain of infection. C. It required killing all the birds in the region. D. It required killing all of the mosquitos in the region.an agent that is bacteriostatic: a. kills algae b. kills bacteria c. inhibits the growth of fungi d. inhibits the growth of bacteriaA virus with an envelope is most likely A. an animal virus B. better able to hide from the hosts immune system due to the envelope C. found only in plants D. A and B
- Bacteriophage is a (A) Fungus (B) Bacteria (C) Virus (D) ProtozoaWhich statement is true? a. A virion contains DNA and RNA. b. Viruses are acellular. c. Viruses replicate outside of the cell. d. Most viruses are easily visualized with a light microscope.Which of the following refer/s to viruses? A. They are disease-causing. B. They contain DNA or RNA. C. They must have protection for their own genetic material. D. They are parasitic. A, B, C only A, B, C, D A, C, D B, C, D
- Why antibacterial drugs are ineffective against: A. Fungal Infections B. Viral infections C. Helminthic worm infectionsWhich of the following does NOT inititiate DNA synthesis ? (correct answer e) a. a single-stranded DNA virus. b. a (-) single stranded RNA virus c. a (+) single stranded RNA virus d. a double-stranded DNA virus (Poxviridae) e. Both (-) and (+) single-stranded RNA virusesGive typing answer with explanation and conclusion . Which of the following statement is INCORRECT? A. Zoonotic diseases are diseases transmitted from animals to humans B. One source of antibiotic-resistance genes is the original antibiotic-producing organisms themselves. C. Nosocomial diseases are diseases one acquires while staying in a healthcare facility. D. A virus with a high LD50 is likely to spread rapidly and become pandemic.