Exam 3

A  3 NAPDH would be required

B  18 ATP would be required and two G3P molecules would be removed from the cycle

C  1 RuBP would be used

D  two G3P molecules would be removed from the cycle

E  3 ATP would be produced

F  18 ATP would be required and 3 ATP would be produced

A  The actin would spin clockwise because ATP would be produced instead of hydrolyzed.

B  The actin would spin counterclockwise because ATP would be produced instead of hydrolyzed.

C  The actin would spin counterclockwise because ATP would be hydrolyzed.

D  The actin would spin clockwise because ATP would be hydrolyzed.

A  It can be used to drive endergonic reactions.

B  It has a change in free energy that is greater than 0.

C  It has a change in free energy that is greater than 0, and hence can be used to drive endergonic reactions.

D  It has a change in free energy that is less than 0.

E  It yields energy.

A  electron transport chain

B  pyruvate oxidation

C  citric acid cycle

D  citric acid cycle, electron transport chain, oxidative phosphorylation, and pyruvate oxidation

E  glycolysis and pyruvate oxidation

F  oxidative phosphorylation and pyruvate oxidation

A  FADH2

B  succinate dehydrogen ase

C  fumarate

A  fumarate

B  FADH2

C  succinate dehydrogen ase

A  succinate dehydrogen ase

B  FADH2

C  fumarate

A  change the amount of energy needed for a reaction.

B  prevent the substrate from binding the enzyme’s active site.

C  change the type of substrate that binds the enzyme’s active site.

D  change the type of product produced in the reaction.

E  prevent the enzyme from adding energy to a reaction.

A  an SRP is required

B  an SRP is required, proteins must be appropriately targeted to the ER by an amino-terminal signal sequence, and proteins must bind to a translocon pore in the ER membrane

C  proteins must be appropriately targeted to the ER by an amino-terminal signal sequence

D  proteins must by glycosylated before entering the ER

E  proteins must bind to a translocon pore in the ER membrane

F  proteins must be completely synthesized before entering the ER lumen

A  2 FADH2, 6 NADH, 4 CO2, and 2 ATP

B  6 NADH

C  1 FADH2 and Oxygen.

D  2 FADH2

E  3 NADH

F  2 CO2 and Oxygen.

A  The P680 chlorophyll donates a pair of protons to NADPH, which is then converted to NADP+.

B  The missing electrons of P680 are filled by electrons derived from water.

C  Light energy excites electrons in accessory pigments found in the harvesting complex

D  The energy of sunlight is passed along to P680 chlorophyll.

E  The splitting of water yields molecular oxygen as a by-product.

A  TRUE

B  FALSE

A  A coenzyme

B  Positive feedback

C  Equilibrium

D  Denaturation

E  Feedback inhibition

A  FALSE

B  TRUE

A  kinetic energy.

B  enthalpy.

C  heat.

D  entropy.

E  free energy.

A  Thick filaments.

B  Intermediate filaments.

C  Centrioles.

D  pili

E  Microtubules.

A  12

B  8

C  4

D  2

A  12

B  4

C  2

D  8

A  8

B  12

C  4

D  16

A  12

B  8

C  2

D  4

A  temperature

B  antibiotics

C  salt concentration

D  substrate concentration

E  pH

A  TRUE

B  FALSE

A  CAM plants are limited to producing CO2 for the Calvin cycle during the day, while C4 plants produce CO2 for the Calvin cycle both during the day and at night.

B  CAM plants use both mesophyll and bundle sheath leaf cells for photosynthesis whereas C4 plants do not.

C  CAM plants produce a 4-carbon molecule in the first step of carbon fixation, but C4 plants do not.

D  CAM plants are more efficient at producing sugar than C4 plants regardless of environmental conditions.

E  CAM plants minimize photorespiration whereas C4 plants do not.

A  lactate fermentation

B  oxidative phosphorylation

C  glycolysis

D  acetyl CoA formation

E  citric acid cycle

A  fermentation

B  oxidative phosphorylation

C  endergonic

D  denaturation

A  added by oxidation and stored in ATP.

B  added by reduction and stored in ATP.

C  removed by reduction and stored in NADH.

D  removed by oxidation and stored in NADH.

E  added by reduction and stored in NADH.