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
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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.
Viruses and bacteria were first cultured in the laboratory at about the same time.
Answer the following statement true (T) or false (F)
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
Which whale is not a rorqual?
a. blue whale b. fin whale c. humpback whale d. right whale e. killer whale