wobble. Flexibility in the base-pairing rules in which the nucleotide at the 5' end of a tRNA anticodon can form hydrogen bonds with more than one kind of base in the third position (3' end) of a codon.
The conclusion that the amygdala is the brainâs fear center wrongly assumes that the feelings of âfearâ and the responses elicited by threats are products of the same brain system. While amygdala circuits are directly responsible for behavioral/physiological responses elicited by threats, they are not directly responsible for feelings of âfear.â.
The adrenal cortex also produces a hormone called aldosterone that is involved in regulating the amount of salt and water in your body. The inner part of the adrenal gland is called the adrenal medulla.The adrenal medulla produces hormones called catecholamines such as adrenaline and noradrenaline. Catecholamines play a role in the response to acute or sudden severe stress, for example during life threatening event.he adrenal cortex also produces a hormone called aldosterone that is involved in regulating the amount of salt and water in your body. The inner part of the adrenal gland is called the adrenal medulla.