Protocells Likely Grew Within Microscopic Compartments in Porous Alkaline Vent

question 46

Multiple Choice

Protocells likely grew within microscopic compartments in porous alkaline vent chimneys, where ____.

• A) protocells could use the energy provided by H⁺gradients
• B) the vents offered physical protection
• C) protocells could use readily available ammonia sources
• D) the vents funneled geothermal warmth
• E) the vents were the right size

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