I believe the correct answers are: post-synaptic receptors
and shape of the neurotransmitter.
In the lock-and-key analogy for neurotransmitters, the lock
refers to the post-synaptic receptors, whereas the key refers to the shape of
the neurotransmitter.
Analogy of key-and-lock refers to the binding to occur
between post-synaptic receptors and the shape of neurotransmitters, in which the
neurotransmitter and the receptor site must have perfectly complementing
shapes, as does a key that fits a lock.
It is a human being (probably female) in either an animal onesie or hoodie?
Fantasy sports complements and escalates, while likewise constituting a response against, this improvement: it can be viewed as a type of escape from what numerous authorities of game without a doubt consider brandish has turned into: a popularized, trivialized and hyperbole media scene. In the meantime, dream don delivers totally new arrangements of relations between onlookers as fans and brandishing challenges, and to an expansive degree changes the visual administration of game spectator-ship.And they give media sports consumer an opportunity to have themselves in state of an owner of a sports team.
Maturation is a threat to internal validity stemming from either long-term or short-term physiological changes occurring within the participants that may influence the dependent variable.
<h3>
What are physiological changes?</h3>
Ageing causes physiological changes in all organ systems. Arteriosclerosis develops, blood pressure rises, and cardiac output declines. Lung function is compromised, vital capacity is reduced, and expiratory flow rates are slowed.
Pregnancy causes a number of physiological changes in the mother, such as an increase in fat and total body water, a drop in plasma protein concentrations, particularly albumin, an increase in blood volume, cardiac output, and blood flow to the kidneys, and a decrease in blood pressure.
Learn more about physiological changes here:
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