Biochemistry
6th Edition
ISBN: 9781305577206
Author: Reginald H. Garrett, Charles M. Grisham
Publisher: Cengage Learning
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Chapter 30, Problem 8P
Interpretation Introduction
Interpretation:
The reason behind assuming that the synthesis of eukaryotic protein is only 10 % as fast as the synthesis of bacterial protein should be determined.
Concept Introduction:
Transcription is a method of taking the info from DNA, and making RNA. RNA behaves as a go-between for proteins and DNA. The RNA then moves to a part of the cell known as a ribosome. Ribosomes are protein-making factories found in all cells, from humans to bacteria.
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Hi, Can someone solve this question, what are the steps of translation in order based on when they occur?
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At 20 Celsius degree, protein-Z binds DNA with a free energy of –7 kJ/mole. Protein Z has an unfolding free energy of 11 kJ/mole without ligand bound and 15 kJ/mole with ligand bound. Does the unfolded/denatured form of protein Z bind to DNA, and if so – what is the "Delta G" of binding of the unfolded form?
Question:-
A mixed copolymer was synthesized using 2 parts Cytosine and 1 part Adenine and the resulting mRNA was used for translation. What is the probability of producing the following amino acids? NOTE: Answer in fractions only.
1. Threonine _____
2. Asparagine _____
3. Histidine _____
4. Lysine _____
5. Proline _____
Chapter 30 Solutions
Biochemistry
Ch. 30 - Prob. 1PCh. 30 - Prob. 2PCh. 30 - The Second Genetic Code Review the evidence...Ch. 30 - Codon-Anticodon Recognition: Base-Pairing...Ch. 30 - Consequences of the Wobble Hypothesis Point out...Ch. 30 - Prob. 6PCh. 30 - Prob. 7PCh. 30 - Prob. 8PCh. 30 - Prob. 9PCh. 30 - The Consequences of Ribosome Complexity Eukaryotic...
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- Green Fluorescent Protein has regions that are very hydrophobic. What is the meaning of “hydrophobic”? What causes a protein to be hydrophobic?arrow_forward22-69 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_forward1 is there a positive or negative entropy change in the first step of histidine synthesis? 2 how many 1-carbon transfer reactions occur in the pathway? 3 how many transamination reactions occur in the pathway ? 4 in purine and pyrimidine synthesis , ________ from the_______pathway is activated by _______ 5 which molecule functions as both an amino group donor and acceptor in this pathway ? 6 during the degradation of histidine, the amino acid group will give rise to _______ while the carbon skeleton will give rise to _______ does not need energy. 7 to which chemical messenger will the decarboxylation of histidine give rise?arrow_forward
- The dimensions of prokaryotic ribosomes are approximately 14 nm by 20 nm. If ribosomes occupy 20% of the volume of a bacterial cell, calculate how many ribosomes are in a typical cell as E. coli. Assume that the shape of a ribosome is approximately that of a cylinder.arrow_forward1. In a protein, why does when Ala is replaced with Ile, it loses its activity but when Lys is replaced by Arg and Leu to Ile, it only has little effect on protein structure and function? Explain. 2. Why do proteins cannot be denatured reversibly when they are chemically altered to change the chemical composition of certain side chains? Explain.arrow_forward1a-The separation of the parent cell into two daughter cells fails to occur during the process of binary fission. Based on your knowledge of cell constriction in bacteria, what protein may be missing in the system (ie the protein was not expressed)? 1b-You are examining a novel protein and you notice that its final structure is at the secondary level. What type of bonds did you find that lead you to this conclusion? O a. Peptide bonds and hydrogen bonds O b. Covalent bonds and peptide bonds O c. Peptide bonds only O d. Hydrogen bonds only 1c- A peptide bond forms between. O a. The amino group of one amino acid and the carboxyl group of another amino acid. O b. The CH3 group of one amino acid and the carboxyl group of another amino acid. O c. The R groups of two amino acids. O d. A hydrogen of one amino acid and carbon of another amino acid.arrow_forward
- 5′ - A U G C A A U A C A A U C C G G A A U G A - 3′ Give the primary structure of the protein that the ribosome will build, by writing the 3-letter codes of the amino acid residues in the usual order N- to C-terminus. If there is morarrow_forwardPlssssssssss helppppppppp, One strand of DNA reads T-A-C-G-A-G-C-T-C. Describe the steps of protein synthesis of a eukaryotic cell using the nitrogen bases of the given DNA strand. Include the following terms in your description: -DNA - mRNA -protein -tRNA -Amino acid -codon -nucleus -Ribosome -cytoplasm -transcription -translationarrow_forwardCalculating human genome If 1.5 percent of the human genome consists of protein-coding sequences, and the entire genome has 3.2x10^9, how many codons are there in the human genome? Remember that a codon is three nucleotides in length.arrow_forward
- 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_forward2a) In prokaryotes, a small ribosomal subunit can potentially get on an mRNA anywhere it can find enough space to do so. Once a small ribosomal subunit has bound to an mRNA, it will scan along that mRNA in the 5' to 3' direction looking for a start codon at which to initiate translation. How does the small ribosomal subunit distinguish a start codon from any other AUG codon that simply codes for methionine in the middle of a coding sequence?arrow_forwardWhat would be shortest time a 250 amino acid protein would be able completely fold to the native conformation? [x] micro secondsarrow_forward
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