resistant to infection by most strains of rhinovirus
24. Which of the following research strategies for developing a defense against the common cold would the author be likely to find most promising?
Continuing to look for a general antirhinoviral antibody
Searching for common cell-surface receptors in humans and mice
Continuing to look for similarities among the various strains of rhinovirus
Discovering how the human body produces antibodies in response to a rhinoviral infection
Determining the detailed molecular structure of the nucleic acid of a rhinovirus
25. It can be inferred from the passage that the purpose of Colonno s experiments was to determine whether
chimpanzees and humans can both be infected by rhinoviruses
chimpanzees can produce antibodies to human cell-surface receptors
a rhinovirus nucleic acid might be locked in its protein coat
binding antibodies to common receptors could produce a possible defense against rhinoviruses
rhinoviruses are vulnerable to human antibodies
26. According to the passage, Rossman s research suggests that
a defense against rhinoviruses might exploit structural similarities among the strains of rhinovirus
human cells normally do not develop antibodies to components of their own cells
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