Examlex
Most ionizing radiation comes from cosmic rays and radioactive minerals,which vary according to geography.
Electrical Energy
Energy derived from electric potential or kinetic energy, frequently used in power and electronics.
Protein-First Hypothesis
In chemical evolution, the proposal that protein originated before other macromolecules and made possible the formation of protocells.
RNA World
A hypothetical early stage in the evolution of life, where RNA served as both genetic information and as a catalyst for chemical reactions.
Enzymes
Biological catalysts that speed up chemical reactions in living organisms without being consumed in the process.
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Q41: infection of the urinary bladder<br>A)tuberculosis<br>B)allergic rhinitis<br>C)candidiasis<br>D)Crohn's disease<br>E)allergies<br>F)trichomoniasis<br>G)smallpox<br>H)urethritis<br>I)cystitis<br>J)hepatitis
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Q54: Needing a drink in the morning to