Biology
10th Edition
ISBN: 9780073383071
Author: Raven
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 16, Problem 3U
In E. coli, induction in the lac operon and repression in the trp operon are both examples of
a. negative control by a repressor.
b. positive control by a repressor.
c. negative control by an activator.
d. positive control by a repressor.
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4. (6 pts) Use the molecule below to answer these questions and identify the side chains and
ends. Please use tidy boxes to indicate parts and write the letter labels within that box.
a. How many monomer subunits are shown?
b. Box a Polar but non-ionizable side chain and label P
c. Box a Basic Polar side chain and label BP
d. Box the carboxyl group at the end of the polypeptide and label with letter C (C-terminus)
H H OHHO
H
H
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HHO
H-N-CC-N-C-C
N-C-C-N-GC-OH
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H-C-H
CH2
CH2
CH2
H3C-C+H
CH2
CH2
OH
CH
CH₂
C=O
OH
CH2
NH2
please answer (A,B,C,D,E) questions with the asnwer choice provided below.
thank you!
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Chapter 16 Solutions
Biology
Ch. 16 - In prokaryotes, control of gene expression usually...Ch. 16 - Prob. 2UCh. 16 - In E. coli, induction in the lac operon and...Ch. 16 - The lac operon is controlled by two main proteins....Ch. 16 - In eukaryotes, binding of RNA polymerase to a...Ch. 16 - In eukaryotes, the regulation of gene expression...Ch. 16 - In the trp operon, the repressor binds to DNA a....Ch. 16 - Prob. 1ACh. 16 - Specific transcription factors in eukaryotes...Ch. 16 - Repression in the trp operon and induction in the...
Ch. 16 - Regulation by small RNAs and alternative splicing...Ch. 16 - Eukaryotic mRNAs differ from prokaryotic mRNAs in...Ch. 16 - In the cell cycle, cyclin proteins are produced in...Ch. 16 - A mechanism of control in E. coli not discussed in...Ch. 16 - You have isolated a series of mutants affecting...Ch. 16 - Examples of positive and negative control of...Ch. 16 - What forms of eukaryotic control of gene...Ch. 16 - The number and type of proteins found in a cell...
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