Category Nuances for electron_transport:

• underlying,
• metabolic,
• biological,
• major,
• physiological,
• important,
• biochemical,
• vital,
• logical,
• fundamental,
• molecular,
• functional,
• physical,
• basic,
• photosynthetic,

Simple Categories for electron_transport:

• process,
• layer,
• event,
• property,
• activity,
• phenomenon,
• level,