1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Elden [556K]
3 years ago
8

In photosynthesis, an H+ ion gradient forms across the ______.

Biology
2 answers:
WINSTONCH [101]3 years ago
5 0
Answer to this question is b
Verdich [7]3 years ago
5 0

Answer: Option A. thylakoid membrane

Explanation:

Photosynthesis is the process that occurs in two sequential stages light dependent reaction ans light-independent reaction.

The H+ ion (Proton)  gradient forms during photophosphorylation where cytochrome b6f and ATP synthase work together to produce ATP.

In non-cyclic photophosphorylation, the electrons produced from PS 2 pumps H+ ions from the stroma to the lumen that makes the proton gradient across the thylakoid membrane. this proton gradient is allowed to form a  proton-motive force that is used by ATP synthase to produce ATP.

In cyclic photophosphorylation, the energy of electrons from PS2 and PS1 are used by cytochrome b6f uses to create ATP and to restricts the production of NADPH.

Hence, the correct option is A.

You might be interested in
What were paleocene organisms that may have been the first primates?
Travka [436]

Plesiadapiforms are organisms that may have been the first primates. This group of primates underwent an adaptive radiation which enable them to produce forms with very distinctive features including weird, multi-cusped incisors and a variety of very sepcialized lower premolars.

The first record of plesiadapiforms appeared just as the non-avian dinosaurs were about to be extinct 65 million years ago, near the inception of the Paleocene age. Some of these primates persisted well into the epoch of Eocene with the last of its species extincting around 37 million years ago.

6 0
3 years ago
Sources of oxygen and how the fish in water gets oxygen<br>​
WITCHER [35]

This process requires large volumes of water to pass through absorption surfaces to get enough oxygen into their bodies using their mouths and gills. These body parts work like a pump to keep water moving over the gas absorption surfaces of the gills.

5 0
3 years ago
Read 2 more answers
What is the lightest planet in the solar system and is closest to the Sun.
Dovator [93]

Saturn is the least dense planet in our Solar System. It is made up of mostly hydrogen and helium, which are the two lightest elements in the universe and thus make Saturn the lightest planet that we know of. This could Possibly be the answer!!

5 0
3 years ago
Read 2 more answers
Name the three stages in the processing of information by nervous systems.
notsponge [240]
The three stages in the processing of information by the nervous system are the sensory input, the integration and the motor output.
During the sensory output, the sensory neurons carries information for the external stimuli such heat, smell and tastes, and other internal conditions, to the central nervous system for processing. The the CNS analyzes and  interprets the input from the sensory neuron and then decides how to respond to the stimuli. Then the motor neuron carries the information from the CNS to the effector cells , that is the muscles and the endocrine glands which then exert the output. 
3 0
3 years ago
How does water travel to the plant's leaves?
zmey [24]

Into the roots, up the stem, and to the leaves

7 0
3 years ago
Other questions:
  • Help me please,Thanks
    9·1 answer
  • Balance is not that important in an ecosystem.<br> True <br> False
    9·2 answers
  • What is the answer to this problem
    12·1 answer
  • Tallness (T) in snapdragons is dominant to dwarfness (t), and red (R) flower color is dominant to white (r). The heterozygous co
    8·1 answer
  • ​with the sequence of the gene-coding regions of the human genome in hand and the development of newer sequencing methods, scien
    7·1 answer
  • Nails form from molten iron. what type of change is this and why?
    10·1 answer
  • Where do sperm go after leaving the vas deferens?  A. Seminiferous tubules  B. Urethra  C. Vas deferens  D. Ejaculatory duct
    7·1 answer
  • Describe the structure and function of A nucleus with help of a diagram​
    7·1 answer
  • 100 POINTS!!!!!
    6·1 answer
  • Explain what distruptive selection is
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!