Which mineral ion is required for ribozymes to become active and begin self-replication?

a. ferrous iron
b. ferric iron
c. zinc
d. magnesium
e. selenium


D

Biology & Microbiology

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What is the key difference in defining "obese" and defining "overweight"?

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Which of the following is the most effective control for malaria?

A) vaccination B) treating patients C) eliminate Anopheles mosquitoes D) eliminate the intermediate host E) None of these is an effective control.

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________ are found on all nucleated cells and can signal viral infection

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