Explain why biological catalysts are needed for reactions to proceed rapidly enough to sustain cells.
Tę umiejętność sprawdzają 3 zadania wzorowane na arkuszach IB z lat 2023–2025.
Which statement applies to an enzyme while it catalyses its reaction? A. It interacts with a substrate during the catalytic cycle B. It must be exported in a secretory vesicle before acting C. It permanently becomes part of the reaction product D. It increases…
Suggest one advantage of using microorganisms in this process.
Cut pear tissue normally darkens when oxygen is available because a polyphenol-oxidizing enzyme converts colourless compounds to pigments. A modified line shows no darkening under the same conditions. Suggest why the modified tissue does not darken.
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