BIO 215 Exam 2 Questions With Correct Answers

BIO 215 Exam 2 Questions With Correct
Answers
The |production |of |antibiotics |is |a |form |of |antagonism |called |- |CORRECT |ANSWER✔✔-antibiosis



Viruses |are |unable |to |multiply |outside |of |a |host |cell. |- |CORRECT |ANSWER✔✔-true



FAD, |NAD, |and |coenzyme |A |are |all |_____ |carriers. |- |CORRECT |ANSWER✔✔-hydrogen |and |
electron



An |organism |that |cannot |grow |without |oxygen |is |a(n) |- |CORRECT |ANSWER✔✔-obligate |aerobe



Helical |and |icosahedral |are |terms |used |to |describe |the |shapes |of |a |virus |- |CORRECT |
ANSWER✔✔-capsid



Exergonic |reactions |- |CORRECT |ANSWER✔✔-release |energy



The |use |of |energy |by |a |cell |to |enclose |a |substance |in |its |membrane |by |forming |a |vacuole |and |
engulfing |it |is |called |- |CORRECT |ANSWER✔✔-endocytosis



Viral |spikes |- |CORRECT |ANSWER✔✔-protrude |from |the |envelope



Enzymes |are |- |CORRECT |ANSWER✔✔-proteins |that |function |as |catalysts



The |property |of |organisms |to |integrate |catabolic |and |anabolic |pathways |to |improve |cell |
efficiency |is |called |- |CORRECT |ANSWER✔✔-amphibolism

,Lysogeny |refers |to |- |CORRECT |ANSWER✔✔-viral |genome |inserting |into |bacterial |host |
chromosome



The |phase |of |the |bacterial |growth |curve |in |which |newly |inoculated |cells |are |adjusting |to |their |
new |environment, |metabolizing |but |not |growing, |is |the |- |CORRECT |ANSWER✔✔-lag |phase



An |organism |that |can |use |gaseous |oxygen |in |metabolism |and |has |the |enzymes |to |process |
toxic |oxygen |products |is |a(n) |- |CORRECT |ANSWER✔✔-aerobe



Host |cells |of |viruses |include |- |CORRECT |ANSWER✔✔-humans |and |other |animals.

plants |and |fungi.

bacteria.

protozoa |and |algae.



An |apoenzyme |is |- |CORRECT |ANSWER✔✔-the |protein |part |of |a |holoenzyme



The |phase |of |the |bacterial |growth |curve |in |which |the |rate |of |multiplication |equals |the |rate |of |
cell |death |is |the |- |CORRECT |ANSWER✔✔-stationary |phase



The |development |of |antiviral |drug |therapy |is |difficult |because |- |CORRECT |ANSWER✔✔-viruses |
are |obligate |intracellular |parasites |so |the |host |cell |can |be |harmed |by |the |drug



The |redox |carriers |of |the |electron |transport |chain |that |have |a |tightly |bound |metal |atom |
responsible |for |accepting |and |donating |electrons |are |- |CORRECT |ANSWER✔✔-cytochromes



The |reactions |of |fermentation |function |to |produce |_____ |molecules |for |use |in |glycolysis. |- |
CORRECT |ANSWER✔✔-NAD+

, When |microbes |live |independently |but |cooperate |and |share |nutrients, |it |is |called |- |CORRECT |
ANSWER✔✔-synergism



A |naked |virus |only |has |a(n) |- |CORRECT |ANSWER✔✔-nucleocapsid



A |microaerophile |- |CORRECT |ANSWER✔✔-requires |a |small |amount |of |oxygen |but |won't |grow |
at |normal |atmospheric |levels



Viruses |are |ultramicroscopic |because |they |range |in |size |from |2 |mm |to |450 |mm. |- |CORRECT |
ANSWER✔✔-false



When |glucose |is |broken |down |by |glycolysis |during |bacterial |fermentation, |how |many |ATP |are |
generated? |- |CORRECT |ANSWER✔✔-2 |ATP



The |term |chemoheterotroph |refers |to |an |organism |that |- |CORRECT |ANSWER✔✔-gets |energy |
by |oxidizing |chemical |compounds



Viruses |that |infect |bacteria |are |specifically |called |- |CORRECT |ANSWER✔✔-bacteriophages



When |enzyme |action |stops |due |to |a |buildup |of |end |product, |this |control |is |called |- |CORRECT |
ANSWER✔✔-feedback |inhibition |(negative |feedback)



Formation |of |peptide |bonds |between |amino |acids |to |build |a |polypeptide |would |be |called |- |
CORRECT |ANSWER✔✔-anabolism



During |lysogeny, |an |inactive |prophage |state |occurs |when |the |viral |DNA |is |inserted |into |the |- |
CORRECT |ANSWER✔✔-host |DNA



Aerobic |respiration |is |an |example |of |- |CORRECT |ANSWER✔✔-chemoheterotrophy