How many protons are pumped through each of the electron transport chain complexes?
complex i =
complex ii =
complex iii =
complex iv =

Complex I =   4 proton

Complex II =  0 proton

Complex III = 4 proton

Complex IV =2 proton

Explanation:

In the process of conversion of to to total three complexes are involved that are the integral proteins of the inner mitochondrial membrane and are involved in interacting with the electron thereby releasing proton.

Complex I =  Total four protons across the membranes

Complex II =  It do not have sufficient energy to pump out proton.

Complex III = Total four protons across the membranes

Complex IV = Total two protons across the membranes

after receiving a stimus, the sensory receptors send(s) signals to the appropriate area of the body.  

the must be sensory neurons.  

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in the year 2850, humans successfully colonized mars. the martian modules that were constructed could hold only a small population of people. it is now a century later, and the population on mars has grown to 600 people. of the current mars population, 45 people express the recessive phenotype for phenylketon- uria (pku) syndrome (pp genotype).

explanation: