Genetics: A Conceptual Approach 6E w/ SaplingPlus (Six-Month Access)
6th Edition
ISBN: 9781319125929
Author: Benjamin A. Pierce
Publisher: W. H. Freeman
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Question
Chapter 9.1, Problem 1TPSQ
Summary Introduction
To propose:
Some possible reasons that agricultural fields might have less bacterial diversity than forests.
Introduction:
Bacterias are most commonly found organisms in the soil of forests and agricultural fields. The fields of agriculture include less bacterial diversity as compared to the forests. The bacterial organisms play an important role in maintaining the fertility of soil.
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a) The lux operon is under positive control. Based on this information, does the luxR regulator sequence make a repressor protein or an activator protein?
b) How will binding of this complex affect RNA polymerase? Remember this operon is under positive control.
c) AHL is a signal molecule that V. fisheri makes to communicate with neighboring bacterial cells. This molecule can diffuse outside of the cell and into another bacterial cell in close proximity. This type of communication between bacterial cells is known as quorum sensing. If bacterial cell density is low how will this affect the lux operon? What will happen if the density is high?
1) Given an mRNA with the following sequence, please translate the codons to a chain of amino acids. Use the codon chart below.5’AUG/CCU/GCU/UAC/CGG/GAG/UAA3’
“met-_________-_________-_________-_________-_________”STOP”
2) Assuming the original polypeptide chain below, match each type of point mutation with the polypeptide chain that results.
Original polypeptide: Pro-Thr-Ser-Leu-Leu-His-Asn
A. Missense
B. Silent
C. Nonsense
D. Frameshift
______ Pro-Thr-Ser-STOP
______ Pro-Thr-Ser-Leu-Ile-His-Asn
______ Pro-Thr-Ser-Leu-Leu-His-Asn
_______ Pro-Thr-His-Cys-Tyr-Thr
Chapter 9 Solutions
Genetics: A Conceptual Approach 6E w/ SaplingPlus (Six-Month Access)
Ch. 9.1 - Prob. 1COQCh. 9.1 - Prob. 17AQPCh. 9.1 - Prob. 1TPSQCh. 9.2 - Prob. 1CCCh. 9.2 - Prob. 2COQCh. 9.2 - Prob. 3COQCh. 9.2 - Prob. 2TPSQCh. 9.3 - Prob. 2CCCh. 9.3 - Prob. 3CCCh. 9.3 - Prob. 4CC
Ch. 9.3 - Prob. 5CCCh. 9.3 - Prob. 4COQCh. 9.3 - Prob. 5COQCh. 9.3 - Prob. 6COQCh. 9.3 - Prob. 7COQCh. 9.3 - Prob. 18AQPCh. 9.3 - Prob. 19AQPCh. 9.3 - Prob. 20AQPCh. 9.3 - Prob. 21AQPCh. 9.3 - Prob. 22AQPCh. 9.3 - Prob. 23AQPCh. 9.3 - Prob. 24AQPCh. 9.3 - Prob. 25AQPCh. 9.3 - Prob. 26AQPCh. 9.3 - Prob. 27AQPCh. 9.3 - Prob. 28AQPCh. 9.3 - Prob. 29AQPCh. 9.3 - Prob. 39CQCh. 9.3 - Prob. 3TPSQCh. 9.3 - Prob. 4TPSQCh. 9.3 - Prob. 5TPSQCh. 9.4 - Prob. 6CCCh. 9.4 - Prob. 7CCCh. 9.4 - Prob. 8CCCh. 9.4 - Prob. 8COQCh. 9.4 - Prob. 9COQCh. 9.4 - Prob. 10COQCh. 9.4 - Prob. 11COQCh. 9.4 - Prob. 12COQCh. 9.4 - Prob. 13COQCh. 9.4 - Prob. 14COQCh. 9.4 - Prob. 15COQCh. 9.4 - Prob. 16COQCh. 9.4 - Prob. 30AQPCh. 9.4 - Prob. 31AQPCh. 9.4 - Prob. 32AQPCh. 9.4 - Prob. 33AQPCh. 9.4 - Prob. 34AQPCh. 9.4 - Prob. 35AQPCh. 9.4 - Prob. 36AQPCh. 9.4 - Prob. 37AQPCh. 9.4 - Prob. 38AQPCh. 9.4 - Prob. 6TPSQCh. 9.4 - Prob. 7TPSQ
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