Lines of longitude and latitude help people in finding locations by making the location easier with accuracy on a globe. For example if you had 90 degrees longitude west and 40 degrees latitude east. The lines in which those two intersect is the location. This makes locating very easy and this is what pilots use to travel to different locations.
Electron transport chain (ETC) refers to a series of complexes involved in the transfer of electrons from electron donors to electron acceptors through the reduction and oxidation reactions.
The similarities between the ETC in mitochondria and chloroplasts are as follows-
1. Both involve the electron transport chains on their inner membranes.
2. The energy produced pumps the protons against their concentration gradient across a membrane.
3. ATP synthase is used.
4. Two protons provide energy for the production of three molecules of ATP.
The differences between the ETC in mitochondria and chloroplasts are as follows-
Mitochondria- It uses the process of oxidative phosphorylation and chemical energy from the reduction-oxidation reactions. The electron transport chain occurs in the cristae. The coenzymes involved include the NAD and FAD. ATP synthase is located in the cristae. The protons are pumped out of the matrix. The final electron acceptor is the oxygen.
Chloroplast- It uses the process of photophosphorylation and the light energy. The electron transport chain occurs in the thylakoid membrane. The coenzyme involved is the NADP. ATP synthase is located in the thylakoid membrane. The protons are pumped into the thylakoids. The final electron acceptor is the chlorophyll in cyclic photophosphorylation and NADPH+ in the non-cyclic photophosphorylation.
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This in effect increased the world's carrying capacity and allowed population to grow exponentially. Since 1963, however, the ratio between energy increases and population growth has narrowed. This change could restrict future population growth.
