What's developed as a result of the electron transport chain?
a. membrane potential
b. proton gradient
c. phospholipid bilayer
d. new cells

The result of electron transport chain is B. Photon Gradient.

The electron transport chain is a gathering of layer implanted proteins and natural atoms, the vast majority of them sorted out into four huge edifices named I to IV. In eukaryotes, numerous duplicates of these particles are found in the internal membrane of the mitochondria whereas, in prokaryotes, it is found in the plasma membrane.  

As the electrons travel through the chain, they go from a higher to a lower vitality level, moving from the region which is less eager for an electron to more eager for electron particles. Vitality is discharged in these "declining" electron moves, and a few of the protein buildings utilize the discharged vitality to release protons to the inner membrane space from the mitochondria, framing a proton gradient.

hi, natural selection of the peppered moth during the industrial revolution in 19th-century england is an example of an outlier in the study of evolution. during this time, pollution from factories filled the forests, coating trees in a layer of soot—turning white trees black

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the corpus luteum secretes estrogens and progesterone. the latter hormone causes changes in the uterus that make it more suitable for implantation of the fertilized ovum and the nourishment of the embryo. if the egg is not fertilized, the corpus luteum becomes inactive after 10–14 days, and menstruation occurs.

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