23. Compared with a C3 plant, a C4 plant: (A) carries out more photorespiration. (B) has a lower photosynthetic efficiency. (C) has more Rubisco. (D) has a higher leaf nitrogen content. (E) needs more ATP to fix CO2.

23. Compared with a C₃ plant, a C₄plant:
(A) carries out more photorespiration.
(B) has a lower photosynthetic efficiency.
(C) has more Rubisco.
(D) has a higher leaf nitrogen content.
(E) needs more ATP to fix CO₂.

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題目解析這道題目考察的是C₃植物與C₄...

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27. To move sucrose molecules from leaves to roots, the sucrose molecules must enter sieve elements. This involves: (A) moving the molecules through plasmodesmata. (B) the use of ATP to pump sucrose molecules with their concentration gradient across the plasma membrane. (C) the use of ATP to pump sucrose molecules against their concentration gradient across the plasma membrane. (D) the pumping of sucrose molecules across the plasma membrane with their concentration gradient without the use of ATP. (E) the pumping of sucrose molecules across the plasma membrane against their concentration gradient without the use of ATP.

23. Compared with a C₃ plant, a C₄plant:
(A) carries out more photorespiration.
(B) has a lower photosynthetic efficiency.
(C) has more Rubisco.
(D) has a higher leaf nitrogen content.
(E) needs more ATP to fix CO₂.

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相關試卷

23. Compared with a C3 plant, a C4 plant:(A) carries out more photorespiration.(B) has a lower photosynthetic efficiency.(C) has more Rubisco.(D) has a higher leaf nitrogen content.(E) needs more ATP to fix CO2.

詳解 (共 1 筆)

相關試題

相關試卷

23. Compared with a C₃ plant, a C₄plant:
(A) carries out more photorespiration.
(B) has a lower photosynthetic efficiency.
(C) has more Rubisco.
(D) has a higher leaf nitrogen content.
(E) needs more ATP to fix CO₂.