Biology, 09.07.2019 03:30 littlepotato10
You believe a bacterium is attaching to animal cells by binding to the carbohydrate portion of a specific glycoprotein. to test this hypothesis you pre-incubate the bacteria with various molecules and then test for inhibition of attachment to the animal cells. which result supports the hypothesis that the bacteria recognize the carbohydrate component of the animal glycoprotein? see section 5.3 (page 114) . pretreatment with the protein component alone prevents bacteria attachment to the animal cells. pretreatment with the entire glycoprotein prevents bacteria attachment to the animal cells. pretreatment with the entire glycoprotein allows bacteria attachment to the animal cells. pretreatment with the carbohydrate component alone prevents bacteria attachment to the animal cells.
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Monarch butterflies have brightly colored orange wings with black patterns on them, making them easily visible to birds that eat butterflies and moths, yet birds rarely eat the monarchs. likewise, the monarch caterpillars are brightly striped yellow and white and black, and they also are rarely eaten by birds, although some wasps will attack them and feed them to their young. what can be inferred from these observations? monarchs must threaten and attack birds, but not wasps. monarchs have a way of discouraging bird predation that does not involve hiding. monarchs’ wings are so colorful that most birds must find them difficult to eat. monarchs lay more eggs than other less conspicuous butterflies.
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You believe a bacterium is attaching to animal cells by binding to the carbohydrate portion of a spe...
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