Examlex
A combination reaction may also be a displacement reaction.
Negative
A term often used to describe the absence of something, such as disease in medical tests, or expressing a denial or refusal.
Positive
Characterized by the presence rather than absence of distinguishing features.
Peptide Hormones
Biomolecules that act as signaling molecules in the body, composed of short chains of amino acids.
Amino Acids
Organic compounds that combine to form proteins, serving as building blocks for life.
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