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Questions and Answers
Which civilization utilized yeast for beer production around 6000 BC?
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?
Which Greek philosopher theorized that all inheritance originates from the father?
- Plato
- Pythagoras
- Socrates
- Aristotle (correct)
What concept did the theory of abiogenesis describe?
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?
Which of the following individuals first explained the role of micro-organisms in fermentation?
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In which year did the Egyptians discover a process for preparing leavened bread using yeast?
In which year did the Egyptians discover a process for preparing leavened bread using yeast?
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What did William Harvey contribute to the understanding of reproduction?
What did William Harvey contribute to the understanding of reproduction?
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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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