j j j j
complete solutions
j j
Microbiology j210 jExam j1 jAll jmicrobes jcause jdisease j(True/False) j-
jANSWER✓✓-False
All jbacteria jpossess jDNA, ja jcytoplasmic jmembrane, jcell jwall, jcytoplasm, jand
jribosomes. j- jANSWER✓✓-F- jThey jdo jnot jall jhave ja jcell jwall jbut jthey jpossess
jthe jrest jmentioned.
In ja jscientific jmethod, jyou jgenerally jdo jwhat jbefore jconducting jbackground
jresearch? j- jANSWER✓✓-Formulate ja jquestion.
What jsubstance jin jthe jenvelope jof jsome jbacteria jcauses jsevere jsymptoms jin
jhumans? j- jANSWER✓✓-LPS j(endotoxins)
Was jLeeuwenhoek jthe jfirst jto jobserve jmicrobes? j- jANSWER✓✓-No, jHooks jdid.
jLee jdid jcreate ja jsingle-lens jmicroscope jand jfound jsingle-celled jmicrobes.
jA.k.a jprotozoa
Chemically jdefined jmedia jcontains jamounts jof jtrue jsubstances. j- jANSWER✓✓-
True, jchemically jdefined jhas jknown jsubstances jand jamounts. jChemically
jcomplex jhas jat jleast jone jingredient jor jamount jthat jyou jwon't jknow.
, Gram-Negative jcells jhave ja jthin jlayer jof jpeptidoglycan jin jtheir jcell jwall. j-
jANSWER✓✓-True. jAnd jGram-Positive jhave ja jthick jlayer.
What jculture jcontains ja jsingle jmicrobial jspecies jwithout jother junwanted
jspecies? j- jANSWER✓✓-A jpure jculture.
What jare jthe j5 jI's? j- jANSWER✓✓-Inoculation
Incubation
Isolation
Inspection
Identification
Central jDogma j- jANSWER✓✓-DNA j-> jRNA j-> jProtein
Taxonomic jranks jin jorder j- jANSWER✓✓-Kingdom, jPhylum, jClass, jOrder,
jFamily, jGenus, jSpecies
Bacteria jhave ja jnucleus jcontaining jDNA jwrapped jaround jhistones. j-
jANSWER✓✓-False. jBacteria jdoes jnot jhave jhistones.
Viruses jhave ja jcellular jorganization j- jANSWER✓✓-False. jThey jare jnon-cellular,
jnon-moving, jand jnot ja jcell.
The jglycocalyx jis jpredominantly jmade jup jof jwhich jmajor jmacromolecule? j-
jANSWER✓✓-Carbohydrates
gram jnegative jstain j- jANSWER✓✓-red/pink
gram jpositive j- jANSWER✓✓-stains jpurple
Which jof jthe jfollowing jis jnot ja jdomain jof jlife? jProtozoa, jEukarya, jBacteria,
jArchaea j- jANSWER✓✓-Protozoa