BIO 1408/09 PKG W/LS CODE
5th Edition
ISBN: 9781260370829
Author: Mader
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 9.1, Problem 1A
Summary Introduction
Introduction:
Meiosis is reduction division used for the formation of gametes in males and females, sperm and egg respectively. The meiotic division helps in keeping constant chromosome and gene number by producing haploid gamete which upon fertilization forms zygote with normal diploid chromosomal number. Mitosis is the cell division that results in formation of identical daughter cells and occurs throughout in the body for growth and repair of the cells.
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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
BIO 1408/09 PKG W/LS CODE
Ch. 9.1 - Explain the purpose of meiosisCh. 9.1 - Prob. 2LOCh. 9.1 - Prob. 3LOCh. 9.1 - Prob. 4LOCh. 9.1 - Prob. 1CYPCh. 9.1 - Prob. 2CYPCh. 9.1 - Prob. 3CYPCh. 9.1 - Prob. 4CYPCh. 9.1 - Prob. 1ACh. 9.1 - Prob. 2A
Ch. 9.2 - List the phases of meiosis, and briefly describe...Ch. 9.2 - Prob. 2LOCh. 9.2 - Prob. 1CYPCh. 9.2 - Prob. 2CYPCh. 9.2 - Prob. 3CYPCh. 9.2 - Prob. 3ACh. 9.2 - Prob. 4ACh. 9.2 - Prob. 5ACh. 9.2 - Prob. 6ACh. 9.2 - Prob. 7ACh. 9.2 - Prob. 8ACh. 9.2 - Prob. 9ACh. 9.2 - Prob. 10ACh. 9.2 - Prob. 11ACh. 9.3 - Contrast the events of meiosis I and meiosis II...Ch. 9.3 - Prob. 2LOCh. 9.3 - Prob. 1CYPCh. 9.3 - Prob. 2CYPCh. 9.3 - Summarize the major differences among the stages...Ch. 9.3 - Prob. 12ACh. 9.3 - Prob. 13ACh. 9.3 - Prob. 14ACh. 9.4 - Prob. 1LOCh. 9.4 - Prob. 2LOCh. 9.4 - Prob. 3LOCh. 9.4 - Describe how a zygote can receive an abnormal...Ch. 9.4 - Contrast monosomy with trisomy.Ch. 9.4 - Prob. 3CYPCh. 9.4 - Prob. 15ACh. 9.4 - Prob. 16ACh. 9 - Prob. 1BYBCh. 9 - Prob. 2BYBCh. 9 - Prob. 3BYBCh. 9 - Prob. S4.4BYBCh. 9 - Section 8.2 What events occur during prophase,...Ch. 9 - Prob. S8.2BYBCh. 9 - Although most men with Klinefelter syndrome are...Ch. 9 - Prob. 2TCCh. 9 - Prob. 3TC
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