Examlex
What is the outcome of crossing two pure-breeding plants with antagonistic traits?
Agonist
An agonist is a chemical or drug that binds to receptors in the brain and causes a stimulatory effect.
Antagonist
A substance that acts against and blocks an action, often referring to a drug that binds to a receptor in a cell and prevents a response in the presence of an agonist.
Synaptic Gap
The tiny space between neurons where neurotransmitters are released, allowing communication between cells.
Diffusion
The process by which molecules move from an area of higher concentration to an area of lower concentration until equilibrium is reached.
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