Examlex
Predict the sign of S of the following reaction?
Midline
An imaginary line that divides the body into equal left and right halves.
Upward Direction
Movement or orientation towards a higher point or position.
Cell Membrane
The semipermeable membrane surrounding the cytoplasm of a cell, regulating the passage of substances in and out.
Proton
A subatomic particle found in the nucleus of an atom, carrying a positive electric charge.
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