In 1854, Louis Pasteur was appointed professor of chemistry at the University of Lille. He demonstrated that organism such as bacteria were responsible for souring wine, beer even milk. He then invented a process is known as pasteurization. He completed the first test on April 20, 1862.
In 1865, Pasteur helped to save the silk industry. He proved that microbes were attacking healthy silkworm eggs, causing the diseases, and the disease can be cured by climinating the microbes.
Pasteur first vaccine discovery was in 1879, with a disease called chicken pox. After accidentally exposing chicken to the attenuated form, he demonstrated that they became resistant to the actual virus. Pasteur went on to extend his germ theory to develop prototype of vaccine for disease such as anthrax, cholera, TB, and smallpox.
"He then invented ..." (first paragraph).
What does the word "invented" mean ?
Mahasiswa/Alumni Universitas Gadjah Mada
Kata invented pada kalimat di atas bermakna created atau “menciptakan”. Jawaban A salah karena artinya “mencari”. Jawaban B salah karena maknanya adalah “menggunakan” dan jawaban D salah karena mempunyai arti “memikirkan”.
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Complete the following text with the correct forms of the verbs in brackets. Born in Semarang on February 29, 1936, Nurhayati Sri Hardini Siti Nukatin, affectionately known as NH Dini, had been ...
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Charles Robert Darwin was an English scientist, who proposed and provided evidence for the scientific theory that all species have envolved through natural selection. This theory became widely accepte...
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