Define Pure Substance

question 74

Short Answer

Define pure substance.

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Definitions:

Freezing

The process of a liquid turning into a solid phase as its temperature is lowered below its freezing point.

Lipid Globules

Small droplets of lipids within cells, serving as energy storage or signaling molecules.

Mechanical Activity

Physical actions or movements brought about by the force of muscles on the skeleton, aiding in bodily functions and locomotion.

Pepsin Activity

The process by which the enzyme pepsin breaks down proteins into smaller peptides, crucial for protein digestion in the stomach.