All living things require an outside source of materials and energy. The sum total of all chemical reactions that occur within a cell to provide these materials and energy is called metabolism.
Energy is the ability to perform work. In an organism's body energy is required to perform each and every processes inside the body. In eukaryotic organisms this energy is derived by the mitochondria. In humans and various other species, the major source of energy is ATP.
Metabolism is the sum total of all the reactions taking place inside the body. These reactions can be anabolic or catabolic. The anabolic reaction involve the formation of larger molecules from the smaller ones. The catabolic reactions involve the breakdown of larger molecules into smaller ones.
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Answer:
2000
Explanation:
It is very close between 1990 and 2000, but from what I can see, 2000 had the least precipitation.
Answer:
The correct answer will be- this base pairing allows the complementation like lock and key
Explanation:
In DNA, the nitrogenous bases on one strand pairs with the nitrogenous bases on another strand.
Experiments of Erwin Chargaff showed that purine bind pyrimidines where the adenine binds thymine and guanine bind cytosine via double and triple hydrogen bonds respectively.
This hydrogen bonding between the purines and pyrimidines provides structural stability as it is based on the complementation. This complementary base pairing allows the two strands to fit like a key and a lock.
Thus, this base pairing allows the complementation like lock and key is the correct answer.
<span>An organism may not be able to survive on just fermentation because the fermentation process does not produce very much energy. If an organism were to be able to survive on fermentation alone, the organism would have to be extremely small.</span>
RNA is found mainly in the cytoplasm of the cell. However, it is normally synthesized, or made, in the nucleus.