[考題] 生物題目

[fukushima (xxxxxxxxxxxx)]

拜託高手指點我..

(2004台大)

1. In the course of evolution of eukaryotic cell, some mitochondrial DNA
  was transferred to?
 a. the host cell's chloroplast
 b. bacterial cell
 c. the host cell's nucleus
 d. the host cell's plasma membrane
 e. plasmid

2. "Movement protein" aid in the transport of ______ through plasmodesmata.
 a. DNA
 b. proteins
 c. Viruses
 d. cyclic AMP
 e. Ca2+

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.

4. Which of the following statement about cold treatment and flowering is
   FALSE?
 a. In winter rye, after cold treatment, plants require long days in order to
    flower,
 b. In spinach, cold treatment shortens the daylength required for flowering.
 c. in clover, cold treatment completely removes the day length requirement
    for flowering.
 d. In henbane, gibberellin treatment can substitude for cold treatment in
    hastening flowering.
 e. In nonrosette long-day plants, gibberellin treatment can substitute for
    cold treatment in hastening flowering.






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