Bio 1134 Final Exam with answers

Bio 1134 Final Exam with answers
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What are the traits of plant taxa? - CORRECT ANSWERS ✔✔Non-
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motile
Eukaryotic
Multicellular
Walls of cellulose
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Alternation of Generation |/ |/




What are the 2 parts of photosynthesis? - CORRECT ANSWERS
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✔✔Light Reactions and Calvin Cycle
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Describe light reaction in photosynthesis - CORRECT ANSWERS
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✔✔Use the sun for energy. Takes place in thylakoid membrane.
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Produces ATP, NADPH, and O2
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What are the 3 phases of the calvin cycle? - CORRECT ANSWERS
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✔✔Carbon fixation
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Reduction and Carbohydrate production
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Regeneration of RuBP using 6 ATP |/ |/ |/ |/ |/




Carbon Fixation (C3 plants only) - CORRECT ANSWERS ✔✔CO2
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mixes with RuBP. Forms 3PG
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,Reduction and Carb Production (C3 plants only) - CORRECT |/ |/ |/ |/ |/ |/ |/ |/


ANSWERS ✔✔ATP used to convert 3PG into 1-3BPG
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6CO2 converts to 12 G3P |/ |/ |/ |/




Regeneration of RubP using 6 ATP (C3 plants only) - CORRECT |/ |/ |/ |/ |/ |/ |/ |/ |/ |/


ANSWERS ✔✔10 G3P converts into 6 RuBP by using 6 ATP. 2
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other G3P turns into glucose
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Photorespiration - CORRECT ANSWERS ✔✔Takes in O2 and |/ |/ |/ |/ |/ |/ |/


releases CO2
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Opposite of photosynthesis |/ |/




Hot and dry environments favored
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Favored when O2 high CO2 low |/ |/ |/ |/ |/




C4 Plants - CORRECT ANSWERS ✔✔More efficient
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Minimize Photorespiration |/




2 cell-layers
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-Mesophyll cell |/




-Bundle-sheath cells |/




Which is better C3 or C4? - CORRECT ANSWERS ✔✔In warm dry
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climates C4 has advantage of conserving water and preventing
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photorespiration
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In cooler climates C3 plants use less energy to fix CO2
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CAM Plants - CORRECT ANSWERS ✔✔Open stomata at night
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, CO2 enters and converted to Malate
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Stomata closes during day to conserve water
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Oxaloacetate converts to Malate |/ |/ |/




Malate breaks down into CO2 and drives the Calvin Cycle during
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the day
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Compare C3 and C4 plant - CORRECT ANSWERS ✔✔C3 will have
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the light reaction and carbon fixation in the same cells
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Which of the following require both ATP and NADPH? - CORRECT
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ANSWERS ✔✔Calvin Cycle only
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How do CAM plants differ from C4 plants? - CORRECT ANSWERS
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✔✔CAM plants are limited to fixing CO2 in the Calvin Cycle
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during the day, while C4 plants do this day and night
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What are dermal cells? - CORRECT ANSWERS ✔✔Guard cells
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Part of Endodermis
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Epidermis on leaves |/ |/




Trychomes


What does ground tissue consist of? - CORRECT ANSWERS
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✔✔Pith and Cortex
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What is vascular tissue? - CORRECT ANSWERS ✔✔Xylem
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Phloem