EXAM: Bio 1500 Mizzou Schul TEST 4 with Verified Answers
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Course
Bio 1500
Institution
Bio 1500
EXAM: Bio 1500 Mizzou Schul TEST 4 with Verified
Answers
residual lung volume CORRECT ANS-amount of air left in the lungs after exhaling
Explain why residual lung volume exists CORRECT ANS-keep the alveoli open even after
maximum expiration which allows for continual gas exchange to occur be...
EXAM: Bio 1500 Mizzou Schul TEST 4 with Verified
Answers
residual lung volume CORRECT ANS-amount of air left in the lungs after exhaling
Explain why residual lung volume exists CORRECT ANS-keep the alveoli open even after
maximum expiration which allows for continual gas exchange to occur between breaths.
Explain how the circular processes of photosynthesis and cellular respiration result in the
cycling of carbon within ecosystems. CORRECT ANS-CR produces CO2 and water which PS
uses to make O2 and glucose which CR uses
Explain the two reasons for an imbalance in this cycle that led to the increased O2 during the
Carboniferous. CORRECT ANS-1. Increase in photosynthesis
2. Burial of carbon- removed from the cycle
Describe the hypothesized reasons for the decline in O2 during the late Permian CORRECT
ANS-Land masses form super-continent which led to a dryer climate and a reduction in
photosynthesis which led to the reduced burial of carbon and then O2 dropped as more
carbon entered cellular respiration
, EXAM: Bio 1500 Mizzou Schul TEST 4 with Verified
Answers
Explain the importance of Lignin on the rise and fall of O2 levels during the Carboniferous
CORRECT ANS-Lignin allows coal formation and allows excess O2 to stay in the atmosphere
Explain the importance of Lignin Decomposition on the rise and fall of O2 levels during the
Carboniferous CORRECT ANS-Lignin Decop did not allow coal formation and did not allow
excess O2 to stay in the atmosphere which increased PS
Recall the general function that gradients have in cells. CORRECT ANS-storage
Explain how gradients are used in cells using the example of ATP Synthase CORRECT ANS-
stores H+ and pushed inward which provides energy for ATP synthase
Molecular level of biological organization CORRECT ANS-involving structure/behavior of
molecules
Cellular level of biological organization CORRECT ANS-processes performed by cells
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