Origin of life Flashcards

1
Q

What is the Fermi Paradox?

A

The question of why we haven’t detected other civilizations despite high probability

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2
Q

What are stromatolites?

A

Layered rock structures created by microbial mats

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3
Q

Which experiment demonstrated that organic molecules could form in early Earth-like conditions?

A

Miller–Urey experiment

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4
Q

What is abiogenesis?

A

Spontaneous generation of life from non-living material

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5
Q

Which environment is currently favored as the origin site for early life?

A

Deep-sea hydrothermal vents

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6
Q

What is a coacervate?

A

A tiny droplet of organic molecules capable of growth and division

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7
Q

What property of mineral surfaces supports the origin of life?

A

They can catalyze and organize organic molecules

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8
Q

Why is the left-handedness of amino acids significant?

A

Life exclusively uses left-handed amino acids despite natural mixtures

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9
Q

What key biological capability evolved around 2.7 billion years ago?

A

Oxygen-producing photosynthesis

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