Top Posters
Since Sunday
27
c
9
s
6
j
5
5
s
5
5
m
5
5
b
4
p
4
m
4
New Topic  
mikael mikael
wrote...
Donated
Posts: 12017
8 years ago
In plants, light energy channeled to PSII and PSI drives electron transport through a series of electron carriers. At the same time, protons are translocated into the ________.
A) stroma
B) lumen
C) granum
D) plasma membrane
Read 868 times
3 Replies
Replies
Answer verified by a subject expert
bolbolbolbol
wrote...
Staff Member
Top Poster
Posts: 2795
11 months ago
Sign in or Sign up in seconds to unlock everything for free
lumen
1

Related Topics

wrote...
9 months ago
The statement is fascinating as it helps not just remember but also jogs the student's memory. The problem states that electrons during photosynthesis are transported from photosystem II to photosystem I, and during that process, the hydrogen ion (proton) is left out in these systems. Now the question is where does the hydrogen ion go, and the few options are given that are very close similarities to the available areas to the photosystems.
 These options include the
Stroma: This is the area in the chlorophyll and is the main site of the photosynthesis reaction. Here you will find different structures that will be participating in photosynthesis. Also, it involves the dark cycle of the 3-C cycle.
Lumen is the space in the thylakoid; it is a fluid-filled area where different enzymes and ions are presently participating in other reactions.
Granum: single of grana, filled with the chlorophyll carrying out the photosynthesis, stacking to make the grana and the thylakoid.
Plasma membrane: generally the outer membrane of any organelle or cell other than plants.
The correct answer, in this case, is the lumen because it is the only option best available for the proton to go and take part in the dark cycle.
wrote...
2 months ago
Thanks
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  152 People Browsing
 325 Signed Up Today
Related Images
  
 1785
  
 2602
  
 107