Clicker questions beginning 1/11/18

Which statement is not true about endospores? Permit bacteria to survive during difficult conditions Sporulation is the process of forming an endospore Germination is the process of the cell going back to an active/dividing state All bacteria make endospores

All bacteria make endospores

Which of the following statements can be recognized as foreign by the immune system? H antigen O antigen Capsule antigen All of the above

All of the above

Which of the following is a virus that causes hemorrhagic fever? Escherichia coli Ebola virus Staphylococcus aureus Streptococcus pyrogenes

Ebola virus

What is the component in the Acid-fast cell wall that traps carbolfuchsin? lipopolysacchardide teichoic acid pseudomurein mycolic acid

mycolic acid

Which of the following is not true about archaea? pseudomurein makes up the cell wall sensitive to antibiotics lacks the common arm of tRNA lacks rRNA loop

sensitive to antibiotics

Which of the following statements is true about Escherichia coli? Species epithet is coli, for colon/large intestine Genus is Escherichia Common inhabitant of the human intestine All of the above

All of the above

Which statement is true about endocytosis? Can create vacuoles, which are large Can create vesicles, which are small One example is pinocytosis All of the above

All of the above

Substances made by fungi that inhibit other microorganisms are Salvarsan Synthetic drugs Antibiotics Sulfonamides

Antibiotics

Which statement is NOT true about eukaryotic flagella? Used for motility Are numerous and may be used to move substances along the surface Consist of microtubules Are long relative to the size of the cell

Are numerous and may be used to move substances along the surface

What is true about the color of gram-positive cells when gram stained? Safranin is trapped in the peptidoglycan Crystal violet-iodine complex is trapped in the peptidoglycan Safranin is trapped in the outer membrane Crystal violet-iodine complex is trapped in the outer membrane

Crystal violet-iodine complex is trapped in the peptidoglycan

This microbe is important in various ecosystems because it performs photosynthesis and thus produces oxygen. Clostridium tetani Clostridium botulinum Leptospira spp. Cyanobacterium spp.

Cyanobacterium spp.

Which statement is true about spontaneous generation? It claims living cells can only arise from preexisting living things It was supported and proven by Louis Pasteur Francesco Redi worked to disprove it, unsuccessfully All of the above

Francesco Redi worked to disprove it, unsuccessfully

Which statement is not true about mitochondria and chloroplasts? Divide by binary fission Have their own DNA Have 80S complete ribosomes Have 70S complete ribosomes

Have 80S complete ribosomes

Which scientist applied germ theory specifically in surgical procedures? Louis Pasteur Joseph Lister Ignaz Semmelweiss Robert Koch

Joseph Lister

A dog owner became concerned when his pet exhibited lethargy and vomiting. He took his dog to the vet, and upon questioning revealed that he often took his dog to the local dog park and had not kept the dog up-to-date on recommended vaccinations. A blood sample was taken to test for the gram-negative spirochete that the vet suspected might be responsible. Which microbe do you think the dog was diagnosed with? Clostridium tetani Clostridium botulinum Leptospira spp. Cyanobacterium spp.

Leptospira spp.

Which of the following is NOT true about vaccination? Developed by Edward Jenner as a method to prevent disease by Variola virus Cowpox virus was used in this new process to prevent smallpox Less effective and more dangerous than variolation at preventing smallpox Involved placing cowpox virus-infected pustule material into a lesion of the person being vaccinated

Less effective and more dangerous than variolation at preventing smallpox

This microbe plays an important role in treatment of wastewater, as it converts ammonia to nitrite Merkel cell polyomavirus Neisseria meningitidis Nitrosomonas spp Bordetella pertussis

Nitrosomonas spp

Capsule prevents: Biofilm formation Phagocytosis Dessication Adherence

Phagocytosis

Which statement is true about why the three Domain system works? Prokaryotic cells have 16S rRNA Eukaryotic cells have 16S rRNA Even viruses are made of cells and can be clasified within a Domain All of the above

Prokaryotic cells have 16S rRNA

This microbe fixes nitrogen and has a symbiotic relationship with plant roots? Epstein Barr virus Vibrio fischeri Rhizobium spp. Burkholderia mallei

Rhizobium spp.

Which of the following is an intracellular microbe transmitted by ticks? Ricketssia rickettsii klebsiella pneumoniae yellow fever virus Helicobacter pylori

Ricketssia rickettsii

Which of the following statements is not true relating to smallpox? Caused by variola virus Severe disease could be prevented using a method devised for the first time by Lady Montague Variolation was originally used to prevent severe smallpox infection Involved placing Variola virus-infected pustule material into a lesion of the person being variolated

Severe disease could be prevented using a method devised for the first time by Lady Montague

Which of the following statements are true about Staphylococcus aureus? species is Staphylococcus genus is aureus Staphylo stands for clustered arrangement All of the above

Staphylo stands for clustered arrangement

Which of the following is the bacterium that causes "strep throat"? Escherichia coli Ebola virus Staphylococcus aureus Streptococcus pyrogenes

Streptococcus pyrogenes

Which statement is not true about pertussis vaccination to protect infants? Pregnant women should be vaccinated between 27-36 weeks of pregnancy Pregnant women should be vaccinated during every pregnancy Fetus receives protective antibodies in utero when the pregnant woman is vaccinated at the correct time The infant does not require vaccination until 1 year of age

The infant does not require vaccination until 1 year of age

What microbe may live in close association with its host and give it bioluminescence? Epstein Barr virus Vibrio fischeri Rhizobium spp. Burkholderia mallei

Vibrio fischeri