PCB3023 Exam 3 I clicker Questions
with 100% correct answers
Where do you find an electron to give to the original low-energy electron donor (the first one in the
row)? - correct answer Take a low-energy electron from water
In the light reactions of photosynthesis, a proton gradient is generated which drives ATP synthesis.
Where do protons become concentrated in the chloroplast? - correct answer Thylakoid space
Which could be the activated intermediate in the dehydration synthesis forming a phosphodiester
bond? - correct answer ATP
Where does this dehydration synthesis in the formation of a peptide bond occur? - correct answer
Ribosome
Which molecule has the most free energy? - correct answer tRNA3 - AA3
All are examples of proteins that are transported into the nucleus through nuclear pores EXCEPT:
A) DNA & RNA
B) Transcription factors (TFs)
C) ATP synthase
D) Lamins - correct answer D) lamins
Your friend works in a biotechnology company and has discovered a drug that blocks the ability of
Ran to exchange GDP for GTP. What is the most likely effect of this drug on nuclear transport? -
correct answer Nuclear transport receptors would be unable to release their cargo in the nucleus
All of the proteins below should be retained by the ER instead of going to the Golgi EXCEPT:
A) SRP reveptor
B) SRP
C) Translocation channel
D) Signal peptidase
with 100% correct answers
Where do you find an electron to give to the original low-energy electron donor (the first one in the
row)? - correct answer Take a low-energy electron from water
In the light reactions of photosynthesis, a proton gradient is generated which drives ATP synthesis.
Where do protons become concentrated in the chloroplast? - correct answer Thylakoid space
Which could be the activated intermediate in the dehydration synthesis forming a phosphodiester
bond? - correct answer ATP
Where does this dehydration synthesis in the formation of a peptide bond occur? - correct answer
Ribosome
Which molecule has the most free energy? - correct answer tRNA3 - AA3
All are examples of proteins that are transported into the nucleus through nuclear pores EXCEPT:
A) DNA & RNA
B) Transcription factors (TFs)
C) ATP synthase
D) Lamins - correct answer D) lamins
Your friend works in a biotechnology company and has discovered a drug that blocks the ability of
Ran to exchange GDP for GTP. What is the most likely effect of this drug on nuclear transport? -
correct answer Nuclear transport receptors would be unable to release their cargo in the nucleus
All of the proteins below should be retained by the ER instead of going to the Golgi EXCEPT:
A) SRP reveptor
B) SRP
C) Translocation channel
D) Signal peptidase
