Examlex
The Chinese developed all of the following except
Macromolecules
Large molecules necessary for life, including proteins, nucleic acids, carbohydrates, and lipids.
Synthesize
To produce a substance by the combination of chemical elements, groups, or simpler compounds or by the degradation of complex compounds.
Control Group
In experiments, a group of subjects that does not receive the experimental treatment, serving as a baseline to compare the effects of the treatment.
Experimental Group
The group in an experimental setup that is exposed to the variable or condition being tested, as opposed to the control group.
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