Fatigue in skeletal muscles typically develops during repeated shortening contractions, as during walking or running. However, most experimental fatigue studies have analysed isometric muscle contractions, were the muscle generates force at a constant length.
Answer:
Cyanobacteria are responsible for first adding oxygen to the Earth's atmosphere.
The answer is codon. The genetic code is redundant as there are multiple codons are make the same protein. The codon table is 64 variants of 3 letter nucleotides that make 20 different proteins. 3 of the 64 codons make 1 stop codon (AUG -Met) and 3 stop codons.
All the organisms that eat the middle organisms will die and the organisms that get eaten by the middle organisms will flourish.