BIOCHEMISTRY W/1 TERM ACHEIVE ACCESS
9th Edition
ISBN: 9781319425746
Author: BERG
Publisher: MAC HIGHER
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Chapter 30, Problem 17P
Interpretation Introduction
Interpretation:
The probable mechanism for the reduction of the transcription rate of a gene by the negative supercoiling should be determined.
Concept introduction:
RNA synthesis (transcription) is the synthesis of an RNA molecule from the nucleotide’s adenine, cytosine, guanine, or uracil. The
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protein. You create a mouse line with Cas9 under control of a brain-specific enhancer, while the short
guide RNA complementary to the first exon of Gene Y is expressed in all tissues. You subsequently
sequence Gene Y in both brain and liver tissue. What would expect in each tissue? You can assume
that the CRISPRICas9 system will impact both copies of Gene Y in cells, and that the first exon of
Gene Y is necessary for Gene Ys function.
a. Liver: Functional Gene Y; Brain: Functional Gene Y
b. Liver: Nonfunctional Gene Y; Brain: Funtional Gene Y
c. Liver: Functional Gene Y; Brain: Nonfunctional Gene Y
d. Liver: Nonfunctional Gene Y; Brain: Nonfunctional Gene Y
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Chapter 30 Solutions
BIOCHEMISTRY W/1 TERM ACHEIVE ACCESS
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- Yes or no only. rna seq can provide sequence and expression data do riboprobes synthesize bu in vitro transcription? does rna causes mutations and lose of function of specific genes?arrow_forwardPlease ASAP. Thank youarrow_forwardI am more confused. how about we start from begining, you post answers on here, and then we go from there? 1. Identify the open reading frame in the following DNA sequence, the protein that this gene encodes for, its function, and the source. 2. "Look carefully at the DNA sequence and identify the start site for transcription" 3. Click on the DNA sequence from the start site of transcription, select all of the sequence, and copy the sequence. Go to the National Center for Biotechnology Information (NCBI) website http://www.ncbi.nlm.nih.gov/. Click on BLAST on the right-hand side under “Popular Resources.” BLAST is a program that will allow you to find the protein sequence for the DNA sequence (gene) you submit. Next click on blastx (translated nucleotide protein). Paste the DNA sequence into the box under “Entry Query Sequence.” Scroll down and click BLAST. The search may take a few seconds; the page will keep updating until the search is completed. You do not need to enter any…arrow_forward
- Asap fully explain please.arrow_forwardExplain well. Asaparrow_forwardPolymerase inhibition. Cordycepin inhibits poly(A) synthesis at low concentrations and RNA synthesis at higher concentrations. NH2 H. он Cordycepin (3'-deoxyadenosine) a. What is the basis of inhibition by cordycepin? b. Why is poly(A) synthesis more sensitive than the synthesis of other RNAS to the presence of cordycepin? c. Does cordycepin need to be modified to exert its effect?arrow_forward
- E32. In the technique of DNase I footprinting, the binding of a protein to a region of DNA protects that region from digestion by DNase I by blocking the ability of DNase I to gain access to the DNA. In the DNase I footprinting experiment shown here, a researcher began with a sample of cloned DNA 400 bp in length. This DNA contained a eukaryotic promoter for RNA polymerase II. The assembly of general transcription factors and RNA polymerase II at the core promoter is described in Chapter 12 (see Figure 12.14). For the sample loaded in lane 1, no proteins were added. For the sample loaded in lane 2, the 400-bp fragment was mixed with RNA polymerase II plus TFIID and TFIIB. 2 400 350 250 175 50 Which region of this 400-bp fragment of DNA is bound by RNA polymerase II and TFIID and TFIIB? || III ||| | ||||arrow_forwardPlease ASAP. Thank youarrow_forwardNeed help with a matching problem.arrow_forward
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