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.
I think it will be A. Directory Stage that’s my opinion for this question
The answer is <span>both active and passive euthanasia are sometimes permissible
Rachel argues that there is some cases where a patient is trapped in a situation where he/she no longer be cured, unable to function, and experienced a high amount of pain.
In this cases, She believed that euthanasia should be permissible because it considered as an act of mercy.</span>
Do not click on those links they send a virus to your computer
The example that is being described above is a specific purpose. It is because a specific purpose is a way of interacting to the audience, giving a clear and understandable information that will develop the general purpose of the subject. It is a way of having to tell the audience your main goal or the important content or purpose of the topic that the speaker is talking about.