Enzymatic analysis of guanine nucleotides in tissues and cells.
1978
D O Keppler, and
W Kaiser
UI
MeSH Term
Description
Entries
D002457
Cell Extracts
Preparations of cell constituents or subcellular materials, isolates, or substances.
Cell Extract,Extract, Cell,Extracts, Cell
D004798
Enzymes
Biological molecules that possess catalytic activity. They may occur naturally or be synthetically created. Enzymes are usually proteins, however CATALYTIC RNA and CATALYTIC DNA molecules have also been identified.
Preparations made from animal tissues or organs (ANIMAL STRUCTURES). They usually contain many components, any one of which may be pharmacologically or physiologically active. Tissue extracts may contain specific, but uncharacterized factors or proteins with specific actions.