Examlex
In the lock-and-key analogy for neurotransmitters, the lock refers to the ________, whereas the key refers to the ________.
Chlorophyll
A green pigment responsible for the absorption of light to provide energy for photosynthesis, found in the chloroplasts of green plants and some bacteria.
Heterotrophs
Organisms that obtain their energy by consuming other living or deceased organisms, unable to synthesize their own food.
Photosynthesize
The process by which green plants, algae, and certain bacteria convert light energy into chemical energy, producing oxygen as a byproduct.
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