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Evolution

Question

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By all of the following ways bacteria become resistant to antibiotic except

making enzymes that inactivate the drug

becoming impermeable to the drug

modifying the target of the drug

moving away from the drug

Solution

D.

moving away from the drug

Bacteria become resistant to antibiotic by either producing enzymes or forming impermeable capsule and modifying the target of the drug.

Some More Questions From Evolution Chapter

What is the phenomenon called when the original drifted population becomes founders?

What are the two key concepts of Darwinian Theory of Evolution

What were the units of life according to the early Greek thinkers ?

Mention the type of nutrition in the cells originated first during the origin of life.

Which group of organisms were responsible for appearance of free oxygen in the atmosphere of the primitive earth ?

What is meant by the term fossil ?

What is the type of evolution in which the same structure developed along different directions due to adaptations to different needs ?

Name the different eras of geologic time scale.

What is single step large mutation?

Consider a thorn in Bougainvillea and a tendril in cucurbita. Are these two organs homologous or analogous ? Give reason.

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