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- 1. A tRNA to which the correct amino acid has been attached is called?3. Briefly describe the function of the following in protein synthesis: a) rRNA, b) tRNA c) mRNA7( what is the diagram depictin A) transcription and translation return B. DNA replication C -DNA replication transcription and translation D-transcription E- translation 
- Which of the following BEST describes the characteristics and function of siRNA? A. a short strand of RNA that can complement and inactivate a sequence of mRNA B. a short strand of RNA that can act as a transcription factor to initiate transcription C. a strand of DNA that can bind to and inactivate an mRNA sequence D. a tRNA that is not able to attach to a ribosome and therefore inhibits the process of translation1. What are the types and major functions for each type of RNA? 2. Define transcription and translation. Which process occurs first to make protein from DNA? 3. In what direction does a polymerase move when synthesizing a strand of mRNA?1. How many codons are there in the Original DNA sequence?
- 1. What are the functions of the following list of RNAs; a. mRNA b. rRNA c. snoRNA d. snRNA e. tRNA f. scaRNA g. miRNA h. siRNAWhere, in a eukaryotic cell, should functional tRNA molecules be located? A) RNA polymerase B) nucleus C) nucleolus D)1. Identify the name of the correct amino acid that corresponds to the correct tRNA codon and mRNA codon. State the process used to convert to mRNA and tRNA.
- Which of the following enzymes adds a new amino acid to the growing chain of a protein during protein synthesis? a. aminoacyl-tRNA synthetase b. peptidyl synthetase c. peptidyl transferase d. ribosomal synthetaseWhat is the role of ribosomes in protein synthesis? * A. they carry proteins to the site of action B. they provide a source of amino acids C. they provide a site from tRNAs to link to mRNAs D. they translate the basic DNA code using tRNA Consider the following DNA bases sequence 3' TAT CGG 5'. what dipeptide is formed if a DNA point mutation converts CGG to CGT? * A. Val-Ala B. Asp-Glu C. Ala- Ala D. Gly-Ala A tRNA molecule possesses the anticodon 5' CGU 3' , which amino acid will this tRNA molecule carry? * A. Threonine B. Valine C. Alanine D. Arginine What will most likely be the effect of the change in the DNA molecule? * A. the change will cause a harmful mutation B. the DNA molecule will be unable to replicate…Figure 15.16 Many antibiotics inhibit bacterial protein synthesis. For example, tetracycline blocks the A site on the bacterial ribosome, and chloramphenicol blocks peptidyl transfer. What specific effect would you expect each of these antibiotics to have on protein synthesis? Tetracycline would directly affect: tRNA binding to the ribosome ribosome assembly growth of the protein chain Chloramphenicol would directly affect tRNA binding to the ribosome ribosome assembly growth of the protein chain