The electron transport chain is located on the inner membrane of the mitochondria, as shown below. The electron transport chain contains a number of electron carriers. These carriers take the electrons from NADH and FADH2, pass them down the chain of complexes and electron carriers, and ultimately produce ATP.
Answer:
Mitochondria and chloroplasts
Explanation:
Mitochondria and chloroplasts each have their own DNA due to at one point being prokaryotes that fused with other prokaryotes.
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Air, water, and other organisms as a form of symbiotic relationships
Answer:
According to researchers, several factors have led to an increase in the human population since the last 200 years.
The main reason for the growth in the human population is the decrease in the rate of deaths as compared to the rate of births. With the developments in science and particularly health sciences, the death rate by infections or diseases has been reduced to minimal. Even efforts are being made to increase the life span of a human being by scientists.
On the other hands, the birth rates are increasing day by day. The population is increasing mainly in third world countries where people do not take care of birth controls.
