Question

Lactate is an enzyme produced by cels in the small intestine. Lactase helos break down lactose, a sugar in milkaIn humans, lactase is encoded by a single gene Transcription of this gene produces a primary transcript The primary transcriptis processed and then exported out of the nucleus in the cytoplasm, the transcript is translated to synthesize lactase. Thisprocess is summarized in the diagram belownucleuslocatexാകാcytoplam+produce amino contains instructionsWhat are the roles of RNA molecules during the step labeled with an Xin the diagram?OAmRNATRNAERNAcames instructionmakes up part ofcames aminoto build actose the ribosome, which acids to the growingdecodes RNA Lactase moleculeОВ, mRNARNAERNAforms pechde bondsbetween amino acidsromanacids RNA templateto synthesize lactaseОСmRNArRNATRNAproduces amino make up the cames nucleotidesacids to make nbosome, which the mRNALactate19 COPYSynthesizes lactase of the lacaseOD mRNATRNAERNAcontains a copy of folds the amino acid forma peptide bondschain to producethe lactase genebetween aminothe lactase molecule acids in case

Answer 1

The lactase anzyme is produce by the organism to breal lactose in the intestine. The process of protein synthesis is discribed in the picture and the alternative that have the most close description of each RNA that work in the synthesis of this enzyme is:

mRNA - carries instructions to build lactase