QUESTION 21Consider the following template strand of DNA:AAT TCA CCC3'5'The mRNA made from this strand would be:UUA AGU GGG(from 5' to 3')The amino acid sequence from this strand would be:(from N to C. Use the 3 letter code with dashes between each)On your handwritten portion draw the chemical structure of this peptide

DNA stands for Deoxy-ribonucleic acid. It is a molecule which carries the information of a proteins.…

Answered: QUESTION 21 Consider the following…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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A _____________________ is a purine-rich sequence closeto AUG (the initiation codon) on a prokaryotic mRNA thatbinds to a complementary sequence on the 30S ribosomesubunits, thereby promoting the formation of the correctpreinitiation complex.
Question 11 The triplet code allows many amino acids to be specified by more than one codon. Such a code is said to be A synonymous. B) degenerate. c unambigous D) universal.
Question 41 Elongation factor Tu (EF-Tu): (A) binds initiator tRNA and GTP. binds aminoacyl-tRNA in the presence of GTP. B (C) displaces GDP from the elongation complex. D binds GTP promoting translocation of ribosomes along mRNA.
Question #3: CRISPR has been used to cure an individual from sickle cell. Below is a Sanger electropherogram of a sequence from a patient without sickle cell and one with sickle cell. Sequence from a normal individual mmmm Sequence from the diseased individual G T GIIC A GC A Se SCIENCEphe A G A SCIENCE SCIENCEphoto G a) Where is the change in the sequence and what is the consequence to the protein sequence of this mutation? b) Below is an image of the normal and diseased quaternary hemoglobin protein. What is different about the protein shape and why does that structure have a huge impact on its function (please name the function!)? Adult haemogBRAR G G G G A G Sickle Cell haemoglobin S Structure a s RARY COLIBRARY c) If you were to use CRISPR to modify the genome of a diseased individual, to which nucleotides might you design your guide RNA? Why? d) RNA Seq is used to determine off-target effects of Cas9 cleavage. Why is this an appropriate tool to determine these effects? e) Data on…
Question 11 1. An 9 kb circular plasmid is cut with the EcoRI restriction enzyme, and the reaction products are run on a DNA gel and stained with ethidium bromide. Bands of 1.0, 3.0 and 5.0 kb are seen. 2. When the same plasmid is cut with both the EcoRI and BamHl restriction enzymes (a double digest), bands of 1.0, 1.5, 3.0, and 3.5 kb are seen. From these results, it can be concluded tha v[ Select ] cuts within the BamHI [ Select ] v kb [Select EcoRI
Question 10 All of the following are characteristics of Transfer RNA except: O a. Only one loop has the codon that is complementary to the anticodon sequence on mRNA Not yet answered O b. Amino acids are attached at the 3' end Marked out of O c. Each tRNA is used repeatedly during the translation process 1.00 P Flag O d. It's a single strand made of 80 nucleotides, has four regions of base-pairing, and 3 loops question Ое. Anticodon of some tRNAs recognize more than one codon by the wobble base pairing
Question 18 One of the termination mechanisms in bacteria utilizes the factor that is an ATP-dependent helicase. (answer in words and not in Greek symbol) Blank 1 Blank 1 Add your answer
QUESTION 17 A student wanted to run a protein sample on a SDS PAGE gel, and in the process of casting a gel the student had forgotten to add the stacking layer on top of the resolving layer of the gel. What problems would likely arise as a result of this mishap? Proteins would migrate much faster through the gel Proteins would not be able to migrate through the resolving layer and stays at the top of the gel Proteins will move into the resolving layer at different times and this would result in a smear on the gel There is no problem, proteins in the sample would resolve the same as if they were ran on a SDS PAGE gel with a stacking layer on top of a resolving layer QUESTION 18 Sample A is diluted by adding 50 ul to 950 uL of buffer to make solution B. Solution B is diluted by adding 50 uL of solution B to 300 uL of buffer. The absorbance of sample C is 0.05. What is the concentration of sample A assuming the following parameters. |=1 cm Molar extinction coefficient = 10 M-1 cm-1 O 0.7…
QUESTION 5 What is the amino acid attached to the tRNA with the following anticodon: CAG Glutamine Valine Aspartic Acid Proline None of the above Click Save and Submit to save and submit. Click Save All Answers to save all answers.
Question 1.)Draw the main chain structure of a parallel beta sheet that has 4 amino acids in one strand and 5 in the other. Show all of the backbone atoms.Write R1, R2, R3, etc, instead of drawing side chains with the following exception: draw one proline in its entiretywith its side chain. You can put it anywhere in your sheet – I will find it. Add in all hydrogen bonds that stabilize this sheet using dashed lines.
QUESTION 17 Which of the following best supports the idea that the genetic code is composed of triplet codons? O A. Poly G RNA directs synthesis of poly glycine B. Addition or deletion of one base in a coding region causes an abnormal, defective protein to be produced. O C. Poly U RNA directs synthesis of poly proline. O D. Addition or deletion of three bases in a coding region can result in the production of a protein that stil retains normal function. O E. A and Care both correct.
Question 2: Mutations - Create a nonsense point mutation in this coding region of the gene. Make sure to highlight the mutation you made using a different color or highlighter. DNA sense ATG AAA CGA GTT ACC GAA ACT TAA DNA nonsense mRNA codon tRNA anticodon Amino acid

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