José probably doesn't feel any pain because his body, during and after exercise released endorphins which are endogenous opioids. This endorphins promote a sense of satisfaction and pleasure, and make pain and discomfort feel irrelevant.
Answer:
Pericentric, inversion loop.
Explanation:
Chromosomal inversion may be defined as the rearrangement of chromosome that may get reversed and attached. Two main types of inversion are pericentric inversion and paracentric inversion.
The pericentric inversion involves the inversion of chromsome and centromere is involved in this inversion. M Q P O • N R S T , in this case centromere is present and shows the pericentric inversion. The structure that forms during the synapsis is known as inversion loop.
Thus, the answer is pericentric, inversion loop.
The spinal cord is surrounded by bones (vertebrae), extends downward from the base.
The ecosystem is everything that exists in a particular environment.
The correct answer is <span>B. They will become separate species.
This is an example of a</span><span>llopatric speciation.
This means that the two populations of the same species gradually develop into separate species after being separated by a geographical barrier.
In the case of the </span><span>Astyanax mexicanus, the two populations are separated by the cave.</span>
