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QUESTION 19

1. Light dependent reactions are carried out both on and in betweenphotosystems. This process is like the last stage of aerobicrespiration in that both

   		reaction sequences carry out electron transferphosphorylations.
   		processes generate ATP.
   		processes involve electron flow.
   		systems are lodged along and within a membrane surface.
   		all of the above.

3.2 points   

QUESTION 20

1. Each wavelength of light has its own

   		temperature.
   		separate source where it’s generated.
   		energy level.
   		molecular structure.
   		interference pattern.

3.2 points   

QUESTION 21

1. ________ organisms build their own energy-rich molecules usingsolar energy.

   		Micro-
   		Autotrophic
   		Tropical
   		Multicellular
   		Marine

3.2 points   

QUESTION 22

1. Energy supplied to break bonds in reactant molecules is knownas

   		electrical potential.
   		action potential.
   		supplemental energy.
   		activation energy.
   		feedback inhibition.

3.2 points   

QUESTION 23

1. Accessory pigments enable the chloroplast to

   		absorb and thus use a wider range of wavelengths of light.
   		carry out both photosynthesis and respiration.
   		store light energy for use during the night.
   		continue functioning when only non-visible wavelengths areavailable.
   		attract a different set of insects to the plant in the fallseason.

3.2 points   

QUESTION 24

1. In respiration, chemical energy is transferred from glucose toATP. The energy transfer however, is not 100% efficient. In thetransfer, some of the energy is lost as

   		carbon dioxide.
   		heat.
   		pyruvate.
   		light.
   		ADP.

3.2 points   

QUESTION 25

1. In a crowded, unventilated room, the temperature risesbecause

   		people’s cells burn glucose inefficiently giving off heat.
   		people in crowded rooms tend to talk more.
   		the carbon dioxide people exhale is loaded with potentialenergy.
   		people’s respiration process consumes most of the availableenergy.
   		people consume oxygen leaving behind smaller molecules that movefaster.