Question 22Which is not a structural motif for DNA binding?Ο αβα motifZn Fingerleucine zipperHelix-turn-helixQuestion 23Amyloidoses are a set of relatively rare inherited diseases in which mutant forms of normally occurring proteins accumulate in a variety of tissues as amyloidsO TrueO False

Proteins are true polymers, which are composed of amino acid units. Proteins have four levels of…

Answered: Question 22 Which is not a structural…

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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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 26 Which of the following best describes the assembly process to initiate translation in prokaryotes? A small ribosome subunit associates with large subunit; mRNA associates next; IFs bring in first f-Met-tRNA; bound NTP hydrolyzed. B IF w/ bound NTP binds f-Met-tRNA; mRNA associates next; small subunit associates next; bound NTP hydrolyzed; large subunit associates. CIF binds f-Met-tRNA; small ribosome subunit associates next; mRNA associates next; then large subunit; bound NTP hydrolyzed. D small subunit associates with mRNA; IF w/ bound NTP brings in first f-Met-tRNA; IF then hydrolyses bound NTP; large subunit associates
Question 8 Which of the following statements is true of eukaryotic transcription? Exons are spliced out from the pre-MRNA. O A 5' cap and 3' poly-A tail are added to protect the mRNA. O Introns are translated into protein. O The protein coding sequence is in the DNA.
Question 17 Which of the following is true of both DNA replication and RNA transcription? DNA helicase is required to unwind the DNA elongation occurs in the 5'-->3' direction RNA primase is required to synthesize an RNA primer
QUESTION 13 A scientist would like to overexpress a lysosomal acid hydrolase in a cultured cell line as a way to investigate a potential therapy for a lysosomal storage disease. How might this scientist introduce a plasmid encoding this lysosomal enzyme into cells? O Scanning electron microscopy O Western blot analysis O Transfection with a lipid reagent (AKA liposomes) O Immunohistochemistry O Generate an organoid QUESTION 14 Heterotrimeric G-proteins that associate with the G-protein coupled receptors (GPCRs) consist of which of the following? OA. beta subunits C B. O C. alpha subunits alpha, beta, and gamma subuni OD. beta and gamma subunits O E. gamma subunits QUESTION 15 The activation of a common effector molecule in the cytoplasm by signals from a variety of unrelated receptors is called OA. Divergence OB. Convergence OC. Crosstalk OD. Transvergence QUESTION 16
Question 10 Produce the complimentary DNA strand that would be matched with the provided strand T--A C-- G C-- G A -- A -- C-- G-- T-- T-- A -- C-- G -- G--
QUESTION 9 Which of the following step is NOT involved in eukaryotic MRNA synthesis? O Elongation O Polyadenylation O Rho-dependent termination Splicing Capping
QUESTION 2 The SARS-COV-2 pandemic resulted in the desire to design ELISA assays to either detect antibodies against SARS-CoV-2 protein (previous infection), or detect viral protein (current infection). You plan to express the mutant spike protein variant using the plasmid pictured below as your template. Here's the sequence you want to put in its place: https://www.ncbi.nlm.nih.gov/nuccore/AY429073.1?report=fasta, this is the DNA sequence you're going to buy as a gene block! But you need to add a couple things to it first so it'll get into the plasmid. To do so, you're going to need to remove the current insert (represented by the yellow arrow beginning at position 833-4867). Question: What restriction sites are you going to add at the ends of the gene? Answer can be in nucleotides or the enzyme name. For the first blank fill in the site name/sequence you'd add at the beginning of the gene (5' / C-terminus end) and for the second blank fill in the sequence/site name you'd add at the…
Question 39 The heptapeptide repeat in the carboxy terminal domain (CTD) in the RPB1 subunit of RNA polymerase Il is phosphorylated to A convert to an elongation complex B activate termination bind to DNA D initiate transcription
QUESTION 16 CRISPR in nature evolved as a "bacterial immune system" or "genetic vaccine" to target infecting viruses. What aspect of the system can we now manipulate so that you can promote *more* transcription of a desired gene? O A nuclease deficient cas9 a single amino acid mutation in Cas9 o edit the PAM sequence supply a DNA template with the cas9/guide RNA use a special guide RNA
Question 32 Using the genetic code, indicate which polypeptides would be synthesized if poly-UGG were used in a synthetic RNA? NA 2nd potion U postion CAG Phe Ser Tyr Cys Phe Ser Tyr Cys U Leu Ser stop stop Leu Ser stop Trp Leu Pro His Arg Leu Pro His Arg Leu Pro Gin Arg Leu Pro Gin Arg lle Thr Asn Ser lle Thr Asn lle Thr Lys Arg Met Thr Lys Arg Val Ala Asp Gly Ala Asp Gly Val Ala Glu Gly Val Ala Glu Gly Amino Acids A) poly-V B) poly-G poly-W D) poly-Y O A G ၈၈၈၈»nt The
Question 41 Now that the human genome has been segquenced, we know that there are fewer than expected protein coding genes (approximately 20,000). Yet, the total number of proteins produced in humans approaches 100,000. What accounts for this discrepancy in numbers? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. The various mechanisms of MRNA processing lead to more proteins being produced than the DNA directly encodes. al b There has been a gross over-estimation of the number of proteins produced in humans. Some proteins are converted into completely new proteins after translation. We have not yet identified all of the open reading frames in the human genome, We have not yet fully sequenced the human genome, Unanswered a Save

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