A new antibiotic has been developed that inhibits the activity of an enzyme by competitive inhibition. What effect will this have on the activation energy of the enzyme-catalyzed reaction?
A. The activation energy required for the reaction in the presence of the antibiotic will be the same as the activation energy required in the absence of the antibiotic
B. The activation energy required for the reaction in the presence of the antibiotic would be less than the activation energy required in the absence of the antibiotic
C. The activation energy required for the reaction in the presence of the antibiotic would be greater than the activation energy required in the absence of the antibiotic
Answer: A
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Which of the following relationships is INCORRECT?
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Bacteria are notorious for adapting and changing very rapidly. So rapidly, in fact, that they rarely exist in pure culture conditions except in a laboratory. In a single bacterial community there can be dozens of species. Which field of genomics would be most useful for studying conditions such as these?
a. pharmacogenomics b. epigenomics c. metagenomics d. genomic medicine
When contaminated with E. coli strains toxic
to humans, fresh meat should be cooked to at least ____ in order to prevent any food intoxication.
a. 71?C (160?F) b. 75?C (167?F) c. 65?C (149?F) d. 85?C (185?F) e. 91?C (196?F)
A single basic dye is used in simple stains
Indicate whether the statement is true or false