一直沒人回... 不然就這兩題吧 拜託高手指點一下 感謝再感謝 2. "Movement protein" aid in the transport of ______ through plasmodesmata. a. DNA b. proteins c. Viruses d. cyclic AMP e. Ca2+ --->我猜 d or e 3. Which of the following statement about iron-sulfur proteins is FALSE? a. They are components of the electron transport chain. b. Their iron is not attached to a porphyrin ring. c. Their iron is attached to sulfides. d. Their iron is attached to the sulfides of sulfur-containing amino acids. e. They carry both electrons and protons. --

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