Examlex
Which phylum contains members that do NOT exhibit true segmentation?
Substrate
A surface or material on or from which an organism lives, grows, or obtains its nourishment; in biochemistry, it's the substance on which an enzyme acts.
Inorganic Substance
A chemical compound that lacks carbon-hydrogen bonds, typical of non-living systems, such as minerals and metals.
Iodide Ions
Negatively charged ions of iodine, essential for thyroid gland function and hormone production.
Calcium Ions
Electrically charged calcium atoms that play a crucial role in various cellular processes including muscle contraction, neurotransmission, and enzyme activity.
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