ASU BIO 353 Exam 2 Questions And Answers With Verified Solutions
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Course
ASU BIO 353
Institution
ASU BIO 353
ASU BIO 353 Exam 2 Questions And Answers With Verified Solutions
A ribosome contains two dissociable subunits: ANS Large and small, mixture of rRNA and proteins
Ribosomal proteins are
made in the ANS cytoplasm
Ribosomal proteins are transported to the ___ to join with ____ to assemble two...
ASU BIO 353 Exam 2 Questions And Answers With
Verified Solutions
A ribosome contains two dissociable subunits: ANS Large and small, mixture of rRNA and
proteins
Ribosomal proteins are
made in the ANS cytoplasm
Ribosomal proteins are transported to the ___ to join with ____ to assemble two ribosomal subunits
ANS nucleus, rRNA
What are the four binding sites in the ribosome for translation? ANS mRNA-binding, A site, P
site, and E site
What types of proteins are involved in exporting mRNA out of the nucleus ANS Poly-A-binding
protein, Cap-binding protein, Exon junction complex
What does dihydrouridine contribute to tRNA? ANS it destabilizes the RNA
structure and makes it more flexible
three primary roles that ribosomes play during protein synthesis ANS captures charged tRNA,
holds charged tRNA in position, covalently links amino acids to form polypeptide chain
mRNA-binding site ANS message always binds to small subunit first, then large subunit binds
A Site (aminoacyl-tRNA site) ANS binds each newly arriving charged tRNA and holds it until
peptide bond formed
P site (peptidyl-tRNA site) ANS holds the tRNA carrying the growing polypeptide chain
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