Examlex
The discovery that the brain contains specific receptors for manufactured opiate drugs, such as morphine, implies that the body must make an _______ substance to interact with the same receptors.
Creatinine
A waste product generated from muscle metabolism, whose blood levels are used to assess kidney function.
Triglycerides
A combination of glycerol and fatty acids in the blood.
Lipid
A group of naturally occurring molecules that include fats, waxes, sterols, fat-soluble vitamins, monoglycerides, diglycerides, triglycerides, phospholipids, and others.
Cholesterol Molecules
Organic molecules essential for building cell membranes and synthesizing certain hormones and vitamins, but high levels can lead to cardiovascular diseases.
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