BIOLOGY 110 TEST 2 QUESTIONS WITH COMPLETE
SOLUTIONS
___ is the breakdown of organic molecules without net
oxidation Correct Answers Fermentation
___ is the terminal electron acceptor in the Electron Transport
Chain; oxygen is reduced and combined with H+ to form water.
Correct Answers Oxygen
___ move from higher concentration to lower concentration
Correct Answers solutes
___ occurs outside of the mitochondria and can occur with or
without oxygen Correct Answers glycolysis
___ permeability occurs with ions, charged polar molecules, and
large molecules Correct Answers very low
___ permeability occurs with polar organic molecules Correct
Answers low
___ permeability occurs with water and urea Correct Answers
moderate
___ reactions is an electron removed from one molecule is
added to another Correct Answers redox
___ reactions occur without input of additional energy Correct
Answers spontaneous
,___ Releases a lot of energy when oxidized that can be used to
make ATP Correct Answers NADH
___ respiration does not use oxygen Correct Answers
Anaerobic
____controls fluidity in membranes Correct Answers
Cholesterol
____is a lung disease caused by a problem with transmembrane
proteins in membranes. Correct Answers Cystic fibrosis
___are semifluid Correct Answers membranes
___change transports solute across membrane Correct Answers
Conformational
___energy is the initial input of energy to start reaction Correct
Answers Activation
___is a barrier to hydrophilic molecules and ions due to
hydrophobic interior Correct Answers Phospholipid bilayer
___means the solute concentration is higher on one side of the
membrane Correct Answers Hypertonic
___permeability occurs with gases and small uncharged
molecules Correct Answers high
, ___provides energy when the 3rd phosphate (Pi) group breaks
off, at which point the molecule converts to___. Correct
Answers ATP,ADP
___requires ATP to transport lipids between leaflets Correct
Answers Flippase
"cell drinking", involves vesicles forming around liquid with
dissolved solutes Correct Answers Pinocytosis
"cell eating", involves vesicles forming around solid particles,
such as when macrophages engulf a bacterium Correct Answers
Phagocytosis
"Law of conservation of energy"Energy cannot be created or
destroyed, but can be transformed from one type to another
Correct Answers first law of thermodynamics
20 to 30% of all genes estimated to encode___ Correct Answers
transmembrane proteins
a ___inhibitor binds to the enzyme away from the active site and
lowers the V-max for the equation, decreasing the maximum
rate of the reaction. Correct Answers noncompetitive
A ___prevents major changes in cell size and prevents cell from
bursting. Correct Answers cell wall
A group of lipids that floats together as a unit within the larger
sea of lipids in the membrane is known as a what Correct
Answers Lipid raft
SOLUTIONS
___ is the breakdown of organic molecules without net
oxidation Correct Answers Fermentation
___ is the terminal electron acceptor in the Electron Transport
Chain; oxygen is reduced and combined with H+ to form water.
Correct Answers Oxygen
___ move from higher concentration to lower concentration
Correct Answers solutes
___ occurs outside of the mitochondria and can occur with or
without oxygen Correct Answers glycolysis
___ permeability occurs with ions, charged polar molecules, and
large molecules Correct Answers very low
___ permeability occurs with polar organic molecules Correct
Answers low
___ permeability occurs with water and urea Correct Answers
moderate
___ reactions is an electron removed from one molecule is
added to another Correct Answers redox
___ reactions occur without input of additional energy Correct
Answers spontaneous
,___ Releases a lot of energy when oxidized that can be used to
make ATP Correct Answers NADH
___ respiration does not use oxygen Correct Answers
Anaerobic
____controls fluidity in membranes Correct Answers
Cholesterol
____is a lung disease caused by a problem with transmembrane
proteins in membranes. Correct Answers Cystic fibrosis
___are semifluid Correct Answers membranes
___change transports solute across membrane Correct Answers
Conformational
___energy is the initial input of energy to start reaction Correct
Answers Activation
___is a barrier to hydrophilic molecules and ions due to
hydrophobic interior Correct Answers Phospholipid bilayer
___means the solute concentration is higher on one side of the
membrane Correct Answers Hypertonic
___permeability occurs with gases and small uncharged
molecules Correct Answers high
, ___provides energy when the 3rd phosphate (Pi) group breaks
off, at which point the molecule converts to___. Correct
Answers ATP,ADP
___requires ATP to transport lipids between leaflets Correct
Answers Flippase
"cell drinking", involves vesicles forming around liquid with
dissolved solutes Correct Answers Pinocytosis
"cell eating", involves vesicles forming around solid particles,
such as when macrophages engulf a bacterium Correct Answers
Phagocytosis
"Law of conservation of energy"Energy cannot be created or
destroyed, but can be transformed from one type to another
Correct Answers first law of thermodynamics
20 to 30% of all genes estimated to encode___ Correct Answers
transmembrane proteins
a ___inhibitor binds to the enzyme away from the active site and
lowers the V-max for the equation, decreasing the maximum
rate of the reaction. Correct Answers noncompetitive
A ___prevents major changes in cell size and prevents cell from
bursting. Correct Answers cell wall
A group of lipids that floats together as a unit within the larger
sea of lipids in the membrane is known as a what Correct
Answers Lipid raft
