Biology: The Unity and Diversity of Life (MindTap Course List)
Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN: 9781305073951
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
bartleby

Videos

Question
Book Icon
Chapter 48, Problem 3DAA
Summary Introduction

To determine: Whether the PCB levels in Greenland villages is more or less than 4 micrograms per milliliter.

Concept introduction:

Imbalance in sex ratio may arise as an effect of various factors such as natural factors, exposure to various contaminated chemicals, pesticides, and other environmental contaminants. Polychlorinated Biphenyls (PCBs) are widespread environmental contaminants that possess teratogenic and oncogenic properties. These chemicals increase the male/female ratio. The maternal contamination with PCBs are also connected with low birth weight and shorter height in males.

Blurred answer
Students have asked these similar questions
Some are unable to taste thiourea and PTC. DNA sequence results for these individuals show a normal predicted amino acid sequence for the TAS2R38 gene. Provide an explanation that can account for insensitivity to thiourea. (a) First assuming a mutation involving the TAS2R38 gene (b) Then assuming a mutation in a gene other than TAS2R38
With reference to the phosphorus cycle, explain the benefits of phosphate solubilizing microorganisms to plants  and Discuss how the activities of symbionts in a mutualistic association can lead to microbial weathering (1000 words).
Iodine is necessary for the synthesis of thyroxine.  a) Hypothesize about how an excess of iodine in the diet may or may notaffect people.  Hint: think about how thyroxine levels are regulated.  b) With respect to the thyroxine feedback loop, provide one scientifically valid explanation that supports or refutes your hypothesis.
Knowledge Booster
Background pattern image
Biology
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.
Similar questions
SEE MORE QUESTIONS
Recommended textbooks for you
Text book image
Biology: The Unity and Diversity of Life (MindTap...
Biology
ISBN:9781305073951
Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher:Cengage Learning
Text book image
Human Heredity: Principles and Issues (MindTap Co...
Biology
ISBN:9781305251052
Author:Michael Cummings
Publisher:Cengage Learning
Text book image
Essentials of Pharmacology for Health Professions
Nursing
ISBN:9781305441620
Author:WOODROW
Publisher:Cengage
Text book image
Curren'S Math For Meds: Dosages & Sol
Nursing
ISBN:9781305143531
Author:CURREN
Publisher:Cengage
What is a Primary and Secondary Metabolite?; Author: Unicity International;https://www.youtube.com/watch?v=TRNUURm0agM;License: Standard Youtube License