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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Question 5. AP1 is a transcription factor and an important regulator of gene expression and cell proliferation. Dysregulation of AP1 function may lead to cancer. The fos gene codes for AP1. Below is an experiment in which the role of a micro‐RNA (miR‐7b) in the regulation of fos gene expression was studied. miR‐7b shows partial sequence complementarity to the 3′‐untranslated region of fos mRNA. A DNA fragment coding for miR‐7b RNA and another fragment coding for a micro‐RNA unrelated to fos mRNA were cloned into vectors, and the recombinant plasmids (designated si‐miR‐7b, samples 3 and 4, and si‐miR‐neg, samples 5 and 6, respectively, in Fig. 1) were introduced into mouse fibroblast cells. Non-transfected cells were used as controls (samples 1 and 2). Samples 2, 4, and 6, were treated with a chemical PMA that induces transcription of fos gene; samples 1, 3, and 5 were left untreated. Two hours after PMA treatment protein extracts were prepared from the cultures and were then…
Question 18 Release factors involved in translation supply a source of energy for termination of translation. bind to the stop codon in the A site of the ribosome, in place of a tRNA. release the ribosome from the ER to allow polypeptides into the cytosol. release the amino acid from its tRNA to allow the amino acid to form a peptide bond.
Question 13 of 13 DNA A= 5' GGG GCT AGC CCC 3' DNA B= 3' ATA TAT ATA CCC 5' DNA C= 5' TAC GTT ACG TCG 3' DNA D= 3' ATC TTT GCA TTA 5' The DNA strand whose complementary RNA has the start codon for translation at the 3' end
Question 16 The fact that some eukaryotic FRNAS are self-splicing indicates that (A) RNA can contain modified bases. B Eukaryotes have multiple RNA polymerases. (c They can function as ribozyme. D RNA structures are highly variable.
QUESTION 21 Choose each of the characteristic(s) of all RNA polymerases from the list below. A. elongation adds new ribonucleotides to the 3-OH B. requires a primer to initiate synthesis C. have 3' to 5' exonuclease activity D. adds nucleotides based on sequence complementarity to a template E. have 5' to 3' polymerase activity O F. elongation adds new ribonucleotides to the 2'-OH G. have 3' to 5' polymerase activity
QUESTION 49 Consider the following double-stranded DNA region: TC CỦA T 3'-ACGGTA-5' If the lower strand is transcribed, which of the following strands will result? O a. TGCCAT O b. TCGGTA Oc. UGCCAU d. UGCCUA Oe. TCGGUT Click Save and Submit to save and submit. Click Save All Answers to save all anst
Question 15 Three of these are related to a nucleotide. Select the exceptions. R group pentose O phospahte group O nucleoside n amino group
QUESTION 38 The following is a template strand of DNA: 3' - ATAGCGTACAAGTGGATT - 5'. Imagine, for a moment, that the start codon has switched from "AUG" to "AUC." How many amino acids would be found in the polypeptide produced as a result of transcribing and then translating this DNA template? а. 2 b. 3 Oc. 4 d. 5 O e. 6 O OOO O
Question 36 The regions in genes that code for something are called O introns exons untranslated regions none of the above Moving to another question will save this response. DOO0
QUESTION 16 The post-translational modification called collagen (one word = noun) is essential in the stabilization of
QUESTION 15 The researchers Hershey and Chase conducted an experiment where they radioactively labeled the proteins of a T2 phage with 35S. In a separate treatment, they labeled the DNA of a T2 phage with 32p. They allowed the labeled T2 phage to infect E. coli and then agitated the cells so that the phage would fall off of the cells. The cells were then spun down to the bottom of the tubes. When the proteins were labeled, did the researchers see radioactivity in the pelleted cells or the supernatant (liquid on top of pellet)? When the DNA was labeled, did the researchers see radioactivity in the pelleted cells or the supernatant? What conclusion did Hershey and Chase draw from this experiment?
Question 9 The site on the ribosome complex which binds the new incoming amino acid- TRNA is called the A P site B E site c) 30 S A site

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