Biotechnology History: Pre-1800

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Questions and Answers

Which civilization utilized yeast for beer production around 6000 BC?

  • Greeks
  • Egyptians
  • Sumerians and Babylonians (correct)
  • Hindus

Which Greek philosopher theorized that all inheritance originates from the father?

  • Plato
  • Pythagoras
  • Socrates
  • Aristotle (correct)

What concept did the theory of abiogenesis describe?

  • Germ theory of disease
  • Organisms arise from non-living matter (correct)
  • Organisms evolve from existing ones
  • Natural selection principles

Which of the following individuals first explained the role of micro-organisms in fermentation?

<p>Antone van Leeuwenhoek (C)</p> Signup and view all the answers

In which year did the Egyptians discover a process for preparing leavened bread using yeast?

<p>4000 BC (B)</p> Signup and view all the answers

What did William Harvey contribute to the understanding of reproduction?

<p>Investigation of blood circulation (B)</p> Signup and view all the answers

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Study Notes

Pre-1800 (Early applications and speculation)

  • Yeast was first used by Sumerians and Babylonians around 6000 BC for beer production.
  • By 4000 BC, Egyptians discovered yeast's role in creating leavened bread.
  • Greek philosopher Socrates (470-399 BC) postulated about hereditary traits linking parents to offspring.
  • Aristotle (384-322 BC) introduced theories suggesting that all inheritance originates from paternal sources.
  • Hindus noted that certain diseases appeared to be hereditary, recognizing familial patterns in illnesses.
  • The concept of abiogenesis, or spontaneous generation, gained traction, proposing that life emerges from non-living matter.
  • William Harvey made significant contributions by showing similarities in reproduction between plants and animals, particularly sexual reproduction.
  • Marcello Malpighi (1628-1694) used microscopy to study blood circulation in capillaries and highlighted the nervous system's structure connecting the brain and spinal cord.
  • Antonie van Leeuwenhoek (1632-1723) was the first to document microorganisms like protozoa and bacteria, identifying their crucial role in fermentation processes.

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