The production of cholera toxin by virulent strains of Vibrio cholera is dependent upon genes in a bacteriophage. This is an example of
A. bacterial transformation.
B. induction.
C. transduction.
D. lysogenic conversion.
Answer: D
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Explain why cellular cannibalism is beneficial for sporulating Bacillus subtilis
What will be an ideal response?
Populations have three basic types of dispersion patterns—clumped, random, and uniform. What situation supports random distributions?
A. When individuals of the populations do not interact strongly with one another. B. When individuals of the population are in competition for resources. C. When there is an even distribution of resources. D. When individuals of the population display social interactions.
In the proximal convoluted tubule useful molecules are collected and brought back into the circulatory system such as glucose and amino acids, but not the toxic materials.
a. true b. false
Fungi play what important role in the environment?
A. They perform photosynthesis and release oxygen into the atmosphere. B. They are one of the few organisms that degrade lignin. C. They form symbiotic relationships with plants. D. Both A and B E. Both B and C F. All of the above