MCB 2010C exam 2 questions with correct
answers
Which |process |does |not |have |an |electron |transport |chain? |- |CORRECT |ANSWER✔✔-
fermentation
Which |process |produces |organic |solvents |and |gases |as |a |by-product |of |metabolism? |- |
CORRECT |ANSWER✔✔-fermentation
Which |process |uses |only |glycolysis |to |generate |ATP? |- |CORRECT |ANSWER✔✔-fermentation
During |which |step |in |aerobic |cell |respiration |is |oxygen |reduced |to |water? |- |CORRECT |
ANSWER✔✔-electron |transport |chain
Which |statement |about |enzymes |is |not |true? |- |CORRECT |ANSWER✔✔-each |one |enzyme |
typically |can |catalyze |dozens |of |reactions
exergonic |reactions |- |CORRECT |ANSWER✔✔-release |energy
Which |important |cellular |product |is |produced |in |the |electron |transport |chain? |- |CORRECT |
ANSWER✔✔-ATP
Which |statement |about |fermentation |is |not |true? |- |CORRECT |ANSWER✔✔-it |occurs |only |in |
prokaryotic |cells
, Which |of |the |following |molecules |inhibits |enzyme |activity |by |binding |at |the |allosteric |site? |- |
CORRECT |ANSWER✔✔-noncompetitive |inhibitor
Which |stage |of |cell |respiration |does |not |directly |produce |ATP? |- |CORRECT |ANSWER✔✔-
intermediate |step
Which |molecule |competes |with |the |substrate |on |the |active |site |of |an |enzyme? |- |CORRECT |
ANSWER✔✔-competitive |inihibitor
Which |of |the |following |molecules |is |an |electron |acceptor |in |anaerobic |cell |respiration? |- |
CORRECT |ANSWER✔✔-nitrate
Which |statement |about |anaerobic |cell |respiration |is |not |true? |- |CORRECT |ANSWER✔✔-
eukaryotes |and |prokaryotes |can |undergo |this |process
The |minimum |conditions |to |achieve |sterilization |are |- |CORRECT |ANSWER✔✔-121 |C |for |15 |min
|@ |15 |psi
Which |of |the |following |microbial |forms |has |the |greatest |amount |of |resistance |to |physical |and |
chemical |controls? |- |CORRECT |ANSWER✔✔-bacterial |enderspores
Which |of |the |following |statements |below |is |not |true |about |UV |light? |- |CORRECT |ANSWER✔✔-
it |has |a |deep |penetration
Which |of |the |following |molecules |would |be |the |best |to |reduce |microbial |growth |on |the |skin? |-
|CORRECT |ANSWER✔✔-weak |solution |of |hydrogen |peroxide
Which |treatment |kills |cells |by |damaging |the |DNA |of |a |cell? |- |CORRECT |ANSWER✔✔-radiation
answers
Which |process |does |not |have |an |electron |transport |chain? |- |CORRECT |ANSWER✔✔-
fermentation
Which |process |produces |organic |solvents |and |gases |as |a |by-product |of |metabolism? |- |
CORRECT |ANSWER✔✔-fermentation
Which |process |uses |only |glycolysis |to |generate |ATP? |- |CORRECT |ANSWER✔✔-fermentation
During |which |step |in |aerobic |cell |respiration |is |oxygen |reduced |to |water? |- |CORRECT |
ANSWER✔✔-electron |transport |chain
Which |statement |about |enzymes |is |not |true? |- |CORRECT |ANSWER✔✔-each |one |enzyme |
typically |can |catalyze |dozens |of |reactions
exergonic |reactions |- |CORRECT |ANSWER✔✔-release |energy
Which |important |cellular |product |is |produced |in |the |electron |transport |chain? |- |CORRECT |
ANSWER✔✔-ATP
Which |statement |about |fermentation |is |not |true? |- |CORRECT |ANSWER✔✔-it |occurs |only |in |
prokaryotic |cells
, Which |of |the |following |molecules |inhibits |enzyme |activity |by |binding |at |the |allosteric |site? |- |
CORRECT |ANSWER✔✔-noncompetitive |inhibitor
Which |stage |of |cell |respiration |does |not |directly |produce |ATP? |- |CORRECT |ANSWER✔✔-
intermediate |step
Which |molecule |competes |with |the |substrate |on |the |active |site |of |an |enzyme? |- |CORRECT |
ANSWER✔✔-competitive |inihibitor
Which |of |the |following |molecules |is |an |electron |acceptor |in |anaerobic |cell |respiration? |- |
CORRECT |ANSWER✔✔-nitrate
Which |statement |about |anaerobic |cell |respiration |is |not |true? |- |CORRECT |ANSWER✔✔-
eukaryotes |and |prokaryotes |can |undergo |this |process
The |minimum |conditions |to |achieve |sterilization |are |- |CORRECT |ANSWER✔✔-121 |C |for |15 |min
|@ |15 |psi
Which |of |the |following |microbial |forms |has |the |greatest |amount |of |resistance |to |physical |and |
chemical |controls? |- |CORRECT |ANSWER✔✔-bacterial |enderspores
Which |of |the |following |statements |below |is |not |true |about |UV |light? |- |CORRECT |ANSWER✔✔-
it |has |a |deep |penetration
Which |of |the |following |molecules |would |be |the |best |to |reduce |microbial |growth |on |the |skin? |-
|CORRECT |ANSWER✔✔-weak |solution |of |hydrogen |peroxide
Which |treatment |kills |cells |by |damaging |the |DNA |of |a |cell? |- |CORRECT |ANSWER✔✔-radiation
