Biology
12th Edition
ISBN: 9780078024269
Author: Sylvia Mader, Michael Windelspecht
Publisher: McGraw-Hill Education
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Chapter 40, Problem 15A
Summary Introduction
Introduction:
Gonadotropin hormone is released by the anterior pituitary hormone. The hypothalamus release the gonadotropin releasing hormone (GnRH) which stimulates the anterior pituitary to secrete the gonadotropin hormone. There are two types of gonadotropin hormones that are follicle stimulating hormone (FSH) and luteinising hormone (LH).
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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 40 Solutions
Biology
Ch. 40.1 - Prob. 1CYPCh. 40.1 - Prob. 2CYPCh. 40.1 - Prob. 3CYPCh. 40.2 - Prob. 1CYPCh. 40.2 - Prob. 2CYPCh. 40.2 - Prob. 3CYPCh. 40.3 - Prob. 1CYPCh. 40.3 - Prob. 2CYPCh. 40.3 - Prob. 3CYPCh. 40 - Prob. 1NS.1QC
Ch. 40 - What are some advantages, and potential...Ch. 40 - Prob. 1NS.3QCCh. 40 - Prob. 1ACh. 40 - Prob. 2ACh. 40 - Prob. 3ACh. 40 - Prob. 4ACh. 40 - Prob. 5ACh. 40 - Prob. 6ACh. 40 - Prob. 7ACh. 40 - Prob. 8ACh. 40 - Prob. 9ACh. 40 - Prob. 10ACh. 40 - Prob. 11ACh. 40 - Prob. 12ACh. 40 - Prob. 13ACh. 40 - Prob. 14ACh. 40 - Prob. 15ACh. 40 - Even though some of their functions overlap, why...Ch. 40 - Prob. 2TSCh. 40 - Prob. 3TSCh. 40 - Prob. 4TS
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