A2 HL Origin of Cells QZZZ Reading

What is the smallest unit capable of self-sustaining life according to the cell theory?

• Cell

• Virus

• Molecule

• Atom

Explain the significance of the Miller-Urey experiment in understanding the origins of life.

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The process by which eukaryotic cells are believed to have evolved through the engulfing of one cell by another is known as ___.

Which of the following is NOT evidence supporting the endosymbiotic theory?

• Mitochondria and chloroplasts have their own DNA.

• Both organelles have a double membrane structure.

• Mitochondria and chloroplasts can survive independently outside the cell.

• Both organelles reproduce via a fission-like process.

Discuss the challenges associated with explaining the spontaneous origin of cells.

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The last universal common ancestor (LUCA) is believed to have existed in the vicinity of ___.

Describe the role of water in the formation of life on Earth.

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