Which of the following breakthroughs in mycology was one of the first examples of biotechnology patenting?
a. The development of a reliable strain of brewer’s yeast
b. The discovery of penicillin as an antibiotic
c. The isolation of the immunosuppressant drug cyclosporin which reduces the risk of infection after
an organ transplant
d. The use of Penicillium to create the characteristic blue-veined Roquefort cheese from France
a. The development of a reliable strain of brewer’s yeast
The development of a reliable strain of brewer’s yeast is one of the first examples of biotechnology patenting. Louis Pasteur developed Saccharomyces cerevisiae for the French brewing industry in the late 1850s.
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Indicate whether the statement is true or false.
The site on a chromosome where a gene is located is called its ____
a. character b. marker c. locus d. trait e. homologue
By their experimentation using the Neurospora fungus, Beadle and Tatum were able to propose the far-reaching hypothesis that ________
A) several different enzymes may be involved in the same step in a biochemical pathway B) more than one codon can specify a given amino acid C) genetic recombination occurred in Neurospora D) prototrophs will grow only if provided with nutritional supplements E) the role of a specific gene is to produce a specific enzyme
What is the purpose of the cristae of the inner membrane of mitochondria?
a. To store food b. Tto transport waste c. To metabolize lipids d. To increase surface area e. To break down nutrients