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The image below depicts one of the stages in the reactions catalyzed by an aminoacyl-tRNA synthetase. Pick the correct terms to complete the sentences below. In this reaction the nucleophile is [dropdown1]. In this reaction the electrophile is [dropdown2]. In this reaction the leaving group is [dropdown3].

A urine test performed to determine the presence of microorganisms is:

Choose the correct order of events for the production of mature rRNAs in both bacteria and eukaryotes.   Step 1: [step1] Step 2: [step2] Step 3: [step3] Step 4: [step4]  

_____ refers to informal efforts—as opposed to official job assignments—in which employees work to create new products and processes of their own choosing and initiative.  

Which of the following tRNAs should be able to recognize TWO different codons?

A hormone produced by the beta cells of the pancreatic islets is called:

Hypersecretion of cortisol may result in:

Which of the following drugs or drug classes inhibits the binding of aminoacyl-tRNAs in the bacterial ribosome?

Out of the nucleotides highlighted in red boxes shown in the tRNA structure below, which one is at the “wobble position”?

A congenital condition in which there is an increase of cerebrospinal fluid is: