These are the first eukaryotes to be used by genetic engineers:
Correct answer: B. Yeast
- A. Lichen
- B. Yeast
- C. Mycorrhizae
- D. Rhizopus
Explanation
Answer is "Yeast"Explanation: Various yeast species have been genetically engineered to produce various drugs; Saccharomyces cervisiae is a simple eukaryotic cell, serving as a model for all eukaryotes. It is easy to genetically engineer. Its physiology, metabolism and genetics are amendable for use in harsh industrial conditions. A wide variety of chemicals of different classes can be produced by engineered yeast, including phenolics, isoprenoids, alkaloids and polyketides. About 20% biopharmaceuticals are produced by Saccharomyces cervisiae, including insulin, vaccine for hepatitis and human serum albumin.
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About Biodiversity and Variety of Life
Biological classification uses taxonomic ranks, binomial nomenclature and shared characteristics to organize life into kingdoms. The major groups include prokaryotes, protists, fungi, plants and animals, with comparisons based on cell type, cell wall, nutrition, body organization, reproduction and evolutionary relationships; prokaryotes lack a membrane-bound nucleus.
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