Compare and contrast the works of Louis Pasteur and Robert Koch in terms of both applied and basic science
What will be an ideal response?
Answer: Answers will vary, but should highlight the differences between basic scientific research in which fundamental ideas are discovered opposed to the usage of microbiological principles to solve larger questions. Examples of Pasteur's basic science contributions are his work showing that fermentation was mediated by microorganisms and the preferential metabolism of particular optical isomers by microbes. Pasteur also applied his ideas to develop sterilization techniques. Robert Koch focused more on the application of microbiology to identify the cause of tuberculosis by developing pure culturing techniques and the four postulates to link microbes to a disease.
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Describe the characteristics of an enzyme active site that result in highly specific substrate selectivity and highly specific catalytic ability
What will be an ideal response?
The main organic product of photosynthesis is
A. glucose. B. carbon dioxide. C. protein. D. triglyceride. E. chlorophyll.
Each DNA strand has a backbone that consists of
alternating a. covalent and ionic bonds. b. nitrogen-containing bases. c. hydrogen bonds. d. sugar and phosphate molecules. e. covalent and hydrogen bonds.
All of the following are characteristics of vertebrates EXCEPT
A. postanal tails. B. vertebral columns. C. internal organs. D. exoskeletons. E. skulls.