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.
1 Introduction: The brain is made up of about 100 billion nerve cells (also called neurons). 2  A neuron has 4 basic parts: the dendrites, the cell body (also called the soma), the axon and the axon terminal.3  Dendrites-Extensions from the neuron cell body that take information to the cell body. Introduction: The brain is made up of about 100 billion nerve cells (also called neurons). 2  A neuron has 4 basic parts: the dendrites, the cell body (also called the soma), the axon and the axon terminal.