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Home Q & A Board Biology-Related Homework Help General Biology
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pmulkerr pmulkerr
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6 years ago
Which of the following sequences correctly represents the phytochrome signal transduction pathway?
  a. red light  PIF3 activation  PIF3 into nucleus  light-responsive gene switched off
  b. red light  Pfr to Pr  Pr into nucleus  Pr-PIF3 complex  light-responsive gene regulation
  c. UV light  PIF3 into nucleus  light responsive gene produces phytochrome  Pr to Pfr
  d. blue light  Pfr into nucleus  Pfr-PIF3 complex  light-responsive gene regulation
  e. red light  Pr to Pfr  Pfr into nucleus  Pfr-PIF3 complex  light-responsive gene regulation

Question 2

Pr is located in the ____, and after it absorbs red light, the resulting Pfr moves to the ____.
  a. endoplasmic reticulum; plasma membrane
  b. cytoplasm; nucleus
  c. plasma membrane; cytoplasm
  d. cytoplasm; plasma membrane
  e. nucleus; cytoplasm
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Replies
wrote...
#1
6 years ago
Answer to q. 1

e

Answer to q. 2

b
pmulkerr Author
wrote...
#2
6 years ago
You are really a genius. Thanks
wrote...
#3
6 years ago
NP
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