1) Which of the following arrangements describes a tuft of flagella on one side of the cell? a) Lophotrichous b) Monotrichous c) Amphitrichous d) Peritrichous 2) Which of the following describes Prokaryotes’s habitat? a) extreme environments b) mild environment c) only cold environments d) none of the above 3) Which of the following structures is NOT part of the endomembrane system? a) Endoplasmic Reticulum b) Mitochondria c) Golgi Apparatus d) Lysosomes 4) According to the endosymbiotic theory, _____ and _____ are each derived from the uptake of bacteria. a) Lysosomes and Mitochondria b) Chloroplasts and Nucleus c) Chloroplasts and Mitochondria d) Ribosomes and Golgi Apparatus 5) Which of the following is NOT evidence of endosymbiosis? a) Both have 70s ribosomes b) Both contain circular DNA c) Both resemble bacteria in size and shape d) Both don’t have circular DNA 6) Mutualism describes a relationship between two organisms where ______? a) Both benefit b) One is unaffected, the other is unaffected c) One is benefitted, the other is unaffected d) Both are unaffected e) One is benefitted, the other is harmed 7) Staphylococcus epidermidis using the dead cells of the human skin as nutrients is an example of which symbiotic relationship a) Mutualism b) Amensalism c) Commensalism d) Neutralism e) Parasitism 8) What type of bacteria is the largest taxonomic group of bacteria a) Proteobacteria b) Non-Proteobacteria c) Gram Positive bacteria d) Gram Negative bacteria 9) Which of the following is part of gram positive cell walls? a) Lipopolysaccharides b) Teichoic Acid and Lipopolysaccharides c) A thin layer of peptidoglycan and lipopolysaccharides d) A thick layer of peptidoglycan and teichoic acids 10) Which of the following is not a class of Gram Negative bacteria? a) Alphaproteobacteria b) Gammaproteobacteria c) Epsilonproteobacteria d) Zetaproteobacteria 11) Which of the following is the most diverse and largest subgroup of Gram Negative bacteria? a) Alphaproteobacteria b) Betaproteobacteria c) Gammaproteobacteria d) Deltaproteobacteria e) Epsilonproteobacteria 12) All of the following are examples of betaproteobacteria except? a) N. gonorrhoeae b) N. meningitidis c) B. pertussis d) M. tuberculosis 13) Which type of bacteria are known to be predators on other bacteria? a) Alphaproteobacteria b) Betaproteobacteria c) Gammaproteobacteria d) Deltaproteobacteria e) Epsilonproteobacteria 14) The derivation of Vitamin K in the human guts as a result of the presence of E. coli in the human body is an example of: a) Commensalism b) Parasitism c) Mutualism d) Both a and c 15) he coexistence of B. anthracis and endospores indicates a relationship of? a) Mutualism b) Parasitism c) Commensalism d) Neutralism 16) Which of the following are two clinically relevant genera of Epsilonproteobacteria? a) Which of the following are two clinically relevant genera of Epsilonproteobacteria? b) Neisseria and Mycobacterium c) Campylobacter and Mycobacteria d) Neisseria and Helicobacter e) Campylobacter and Helicobacter 17) Which of the following aimed to disprove the theory of spontaneous generation? a) Hippocrates b) Lazzaro Spallanzani c) Ignaz Semmelweis d) John Needham 18) Prokaryotic ribosomes are: a) 80s b) 50s c) 70s d) 30s 19) Resident Microbiota are microorganisms that constantly live in or on our bodies a) True b) False 20) Where in the human body are Microbodies prevalent inhabitants? a) Large intestines b) Heart c) Liver d) Lungs

Session 2.5.22 biol 20 chapter 3

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