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FSE 120-0902 Microbiology Midterm Questions with Verified Answers
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FSE 120-0902 Microbiology Midterm Questions with Verified Answers What term describes organisms that feed on decomposing organic matter? Saprophytes Explanation: Saprophytes are organisms that obtain nutrients from decomposing organic materials, playing a crucial role in breaking down dead ma...

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  • August 1, 2024
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1 FSE 120 -0902 Microbiology M idterm Questions with Verified Answers What term des cribes organisms that feed on decomposing organic matter? ✔✔Saprophytes Explanation: Saprophytes are organisms that obtain nutrients from decomposing organic materials, playing a crucial role in breaking down dead matter. What is the name of a virus t hat specifically targets bacteria? ✔✔Bacteriophage Explanation: A bacteriophage is a type of virus that infects and replicates within bacteria. What is another term used for the skin? ✔✔Integument Explanation: The term "integument" refers to the skin, which acts as a protective covering for the body. How do bacteria typically reproduce? ✔✔Binary Fission Explanation: Binary fission is the process by which a single bacterial cell divides into tw o identical daughter cells. What are the primary forms in which bacteria can appear? ✔✔Coccus, bacillus, spirilla 2 Explanation: Bacteria can have three basic shapes: coccus (spherical), bacillus (rod -shaped), and spirilla (spiral -shaped). Which arran gements are commonly seen among bacteria? ✔✔Pairs, chains, clusters Explanation: Bacteria can be arranged in different patterns: pairs (diplococci), chains (streptococci), or clusters (staphylococci). What are plasmids? ✔✔Small circular DNA molecules that exist independently of the main chromosome in bacteria Explanation: Plasmids are extra -chromosomal DNA found in bacteria that can carry additional genes, such as those for antibiotic resistance. What term refers to a sticky, gelatinous layer surr ounding the bacterial cell wall? ✔✔Glycocalyx Explanation: The glycocalyx is a sticky, gelatinous layer that surrounds the bacterial cell wall, helping with adhesion and protection. What describes a loosely attached, unorganized coating on bacteria? ✔✔Slime Layer Explanation: The slime layer is a loosely organized and less structured coating on bacteria compared to the more defined capsule, aiding in adhesion and protection. 3 The prefix staphyl - means cluster chain single yellow ✔✔cluster The prefix strepto - means cluster chain hainyellow diploid ✔✔chain Genetic ma terial in a protein coat would describe a __________________. Selected Answer: 4 protein bacteria virus viroid ✔✔virus The four kingdoms are Selected Answer: Bacteria, Plantae, Animalia, Fungi Monera, Plantae, Animalia, Fungi Monera, Bacteria, Fungi, Protista Protista, Plantae, Animalia, Fungi ✔✔Protista, Plantae, Animalia, Fungi Who discovered penicillin? Selected Answer:

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