Which type of chemical bond forms between a cation and an anion?

a. nonpolar covalent bond
b. polar covalent bond
c. ionic bond
d. hydrogen bond


Answer: c

Biology & Microbiology

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The development of virulent, toxin-producing bacterial strains due to the presence of a temperate phage can occur in

A. generalized transduction. B. specialized transduction. C. bacterial conjugation. D. transformation. E. All of these choices are correct.

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Viruses and bacteria were first cultured in the laboratory at about the same time.

Answer the following statement true (T) or false (F)

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Choose the statement that does not accurately characterize associative learning

A. pairing a stimulus that leads to a specific behavior with a neutral stimulus that initially had nothing to do with the specific behavior B. a form of conditioning in which two stimuli are paired C. linking or associating a behavior with a reward D. learning that occurs in the absence of reward or punishment E. operant conditioning

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Which whale is not a rorqual?

a. blue whale b. fin whale c. humpback whale d. right whale e. killer whale

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