Organic Chemistry
8th Edition
ISBN: 9781305580350
Author: William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Publisher: Cengage Learning
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Chapter 28.5, Problem 28.6P
Interpretation Introduction
Interpretation:
The endonucleases which catalyse the cleavage of the given sequence of bovine rhodopsin gene have to be given.
Concept Introduction:
A restriction endonuclease recognises a set or pattern of four to eight
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If a glycogenin enzyme synthesizes an a-1,4-glucose polymer 12 glucosyl units in length, what enzyme(s).could continue
glycogen synthesis?
glycogenin
glycogenin, branching enzyme, or glycogen synthase
branching enzyme
O glycogen synthase
O UDP-glucose pyrophosphorylase
Which of the following is NOT true of a molecule of glycogen containing two nonreducing ends?
Two glycogen synthase enzymes can add glucose residues to the molecule.
O Two glycogenin molecules can be found in the core of the molecule.
One branching reaction occurred.
One a-1,6 linkage exists.
A single block of 7 residues was transferred to a more interior site.
Researchers analysed a glycopeptide (a peptide carrying one or several oligosaccharide
groups) and determined both the sequence of the peptide and the sequence of the sugar molecule. The
latter was identified as a diholoside coupled to the peptide by an osidic bond. The systematic name
of this sugar is:
B-D-glucopyranosyl-(1→4)-ß-D-galactopyranose.
: Represent the chemical formula of this diholoside in a way that all oses are
Question 1
represented according to the Haworth convention. Apart from the furane and/or pyrane cycles all
atoms of this molecule must be given.
The enzyme that catalyzes the Ca ¬ Cb bond cleavage reaction that converts serine to glycine removes thesubstituent (R) bonded to the a-carbon in the first step of the reaction. Starting with PLP bound to serine inan imine linkage, propose a mechanism for this reaction. (Hint: The first step involves removal of the protonfrom serine’s OH group.)
Chapter 28 Solutions
Organic Chemistry
Ch. 28.1 - Prob. 28.1PCh. 28.2 - Prob. 28.2PCh. 28.2 - Prob. 28.3PCh. 28.3 - Here is a portion of the nucleotide sequence in...Ch. 28.4 - The following section of DNA codes for oxytocin, a...Ch. 28.5 - Prob. 28.6PCh. 28 - Prob. 28.7PCh. 28 - Following are structural formulas for cytosine and...Ch. 28 - Prob. 28.9PCh. 28 - Prob. 28.10P
Ch. 28 - Prob. 28.11PCh. 28 - Prob. 28.12PCh. 28 - Prob. 28.13PCh. 28 - Prob. 28.14PCh. 28 - Prob. 28.15PCh. 28 - Draw a structural formula of the DNA...Ch. 28 - List the postulates of the Watson-Crick model of...Ch. 28 - Prob. 28.18PCh. 28 - Prob. 28.19PCh. 28 - Prob. 28.20PCh. 28 - Prob. 28.21PCh. 28 - Prob. 28.22PCh. 28 - Prob. 28.23PCh. 28 - Prob. 28.24PCh. 28 - Write the DNA complement for 5-ACCGTTAAT-3. Be...Ch. 28 - Prob. 28.26PCh. 28 - Prob. 28.27PCh. 28 - Compare DNA and RNA is these ways. (a)...Ch. 28 - What type of RNA has the shortest lifetime in...Ch. 28 - Prob. 28.30PCh. 28 - Prob. 28.31PCh. 28 - Prob. 28.32PCh. 28 - Write the mRNA codons for the following. (a)...Ch. 28 - Prob. 28.34PCh. 28 - Prob. 28.35PCh. 28 - Prob. 28.36PCh. 28 - Prob. 28.37PCh. 28 - Prob. 28.38PCh. 28 - Prob. 28.39PCh. 28 - What polypeptide is coded for by this mRNA...Ch. 28 - The alpha chain of human hemoglobin has 141 amino...Ch. 28 - Prob. 28.42P
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