Biochemistry
9th Edition
ISBN: 9781319114671
Author: Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher: W. H. Freeman
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Chapter 31, Problem 34P
Interpretation Introduction
Interpretation:
The differences between the bacterial and eukaryotic protein synthesis should be determined.
Concept introduction:
Protein synthesis (translation) is a process of generating new protein sequences inside the cell. This process takes place in the cytoplasm of the cell. This process is balanced by the degradation or export of cellular proteins. It is constituted of three steps namely, initiation, elongation, and termination.
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Chapter 31 Solutions
Biochemistry
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- Taking start and stop codon into consideration, if we have an mRNA sequence with 30 nucleotides, how many amino acids would be found in the resulting polypeptide (protein chain)? Why?arrow_forwardBIOLOGY ACTIVITY -Gene Mutations and Proteins Objective: To demonstrate how gene mutations affect the production of proteins? Procedure: Use the following base sequence of one strand of an imaginary DNA molecule: AATTGAACACATGCGCCC. 2. Write the base sequence for an mRNA strand that would be transcribed from the given DNA sequence. Place your results in the table below. Use your codon table provided below to determine the sequence of amino acids in the resulting protein fragment. Place your results in the table below. If the fifth base in the original DNA strand were changed from G to C, how would this affect the resulting protein fragment? Write the new protein fragment in the table below. If G were added to the original DNA strand after the third base, what would the resulting mRNA look like? How would this addition affect the protein? Show your results in the table below. Data: mRNA from Step 2 Protein Sequence from Step 3 Protein Sequence from Step…arrow_forwardWhat came first, the ribosome or the protein? explain in detail whyarrow_forward
- 1. What are two major similarities between protein synthesis in bacteria and eukaryotes? What aretwo major differences? 2. Is it reasonable to expect that protein degradation can take place at any location in a cell? 3. . In ubiquitination, chaperone can be part of the process. Explain the benefits of using chaperoneand differentiate the uses of chaperone and ubiquitin.arrow_forwardCentral Dogma of Molecular Biology from DNA to RNA to Protein, discussing the principles underlying the transfer of information in a biologic system and its regulation. However, recent research seems to challenge certain aspects of Crick’s Central Dogma. Does the Central Dogma still stand today? If not, can you find an example for a type of information transfer that is not explicitly covered by the Central Dogma (or even violates it)?arrow_forwardBriefly describe the process of protein making.include the functions of mRNA ,tRNA, and rRNAarrow_forward
- 22-69 Indicate whether each of the following statementsrelating to protein synthesis is true or false.a. RNA is involved in both the transcription andtranslation phases of protein synthesis.b. DNA is the starting material for protein synthesis.c. The translation phase of protein synthesis convertsRNA to DNA.d. Transcription precedes translation in proteinsynthesisarrow_forwardWhat forces come into play with protein folding (please explain this at the molecular level)?arrow_forwardEvidence that each nucleotide is partof only one codon EXPLAINarrow_forward
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