Depending on the type of regulatory mechanism, activators and repressors can bind to operator regions which control transcription
Indicate whether the statement is true or false.
Answer: FALSE
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Which of the following statistical tests is used to determine if two genes are linked or assorting independently?
A. Sum rule B. Binomial expansion C. Product rule D. Chi-square test
A researcher exposes a nonvirulent strain of Streptococcus pneumoniae to heat-killed cells of a virulent strain. After
exposure, the bacterial cells will be ____.
a. transduced b. artificially transformed c. transformed d. nonvirulent e. conjugated
The main storage carbohydrates in fungi is
A. glycogen. B. glucose. C. starch. D. cellulose. E. chitin.
Which of the following statements is true of selective toxicity?
A. Selective toxicity takes advantage of structural similarities between host and pathogen. B. To be effective, an antimicrobial agent must be more toxic to the patient than the pathogen. C. Selective toxicity takes advantage of differences in metabolic rates of the host and pathogen. D. Selective toxicity damages only pathogenic bacteria and not beneficial bacteria. E. Selective toxicity takes advantage of structural and/or metabolic differences between host and pathogen.