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1. Ribozymes in the large ribosomal subunitcatalyze peptidyl transferase activity during elongation. What isthe immediate result?A. The elongation factor EF-Tu isrecycled.B. The tRNA in the p site fallsoff the ribosome.C. A new charged tRNA moves intothe A site.D. The bond broken between thetRNA at the P site and its amino acid, and a peptide bond is formedbetween this amino acid and the one attached to the tRNA in the Asite.E. The ribosome shifts byone codon toward the 3’ end of the mRNA.2. A peptide bond forms between the _____ ofone amino acid and the __________ of another.A. Amino group, carboxyl groupB. Amino group, R groupC. C. R group, R groupD. Carboxyl group, sulfidegroupE. Amino group, phosphophategroup.
3. An alpha helix and a beta-pleated sheet aretypes ofA. protein secondary structureB. tRNA secondary structure.C. Protein primary structureD. Protein primary structure.E. protein quaternary structure.4. In eukaryotes, the AUG initiation codon is located in the___________sequence.A. Shine-DalgarnoB. KozakC. KhoranaD. Goldberg—HognessE. Pribnow
5. Which enzyme charges at tRNAmolecule with the appropriate amino acid?A. RNA polymeraseB. DNA polymeraseC. tRNA ligaseD. Peptidelyl transferaseE. Aminoacyl-tRNAsynthetase
q1. an alien dna- like molecule is isolated from frozen remains of a life- form found beneath the martian polar ice
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What genotypic and phenotypic proportions are expected in F2. Six platyfish with dissimilar tail spotting patterns live in eastern Mexico. Five of them can interbreed and produce fertile offspring. One of them cannot interbreed with the other five. W..
Explain briefly the division of the cerebrum into hemispheres and lobes. Determine what are the primary functions of each lobe?
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