Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Chapter 17, Problem 11TYU
Summary Introduction
Introduction: Caenorhabditis elegans is the model organism to study the developmental pattern in various organisms. It has a very short life and has less number of genes and less complex genetic code which makes the study easy.
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the ectoderm of a gastrula stage vertebrate embryo, what is the major function of BMP4?
a). repress nervous system development
b). repress skin development
c). promote nervous system development
d). promote the onset of gastrulation
e). More than one of the above are correct.
2. Which is an essential characteristic of neural stem cells?
a) The ability to differentiate into any type of cell
b) The ability to dispense with bacteria, damaged neuron, or toxic proteins in the brain
c) The ability to guide neurons to their final location
d) The ability to suppress the activity of the immune system
e) The ability to differentiate into any cell type found in the central nervous system
In the cnidaria the ectoderm cells are important because they can react to a stimulus (light) from the environment by exhibiting a response from their muscle cell as a directed movement. To do this ectoderm cells ....
A) Are the first specialized digestive cells B) Are neurocytes that have membrane receptors which react to light C) Are prokaryotic cells D) Form the first digestive organ E) Are the only cells with the Na+/k+ pumps
explain why
0
In identifying the marginal cells of the tunicate embryo, which of the following is the role of the Macho-
1 gene? Choose all possible answers.
a) suppresses notochord induction in mesenchymal cell progenitors
b) a determinant that not only activates muscles but also distinguishes cell responses to the FGF
signal
c) can alter the responses to endodermal FGFs
d) none of the above
Chapter 17 Solutions
Biology (MindTap Course List)
Ch. 17.1 - Prob. 1LOCh. 17.1 - Describe the classic experiments of Steward,...Ch. 17.1 - Define stem cells, distinguish between embryonic...Ch. 17.1 - What lines of evidence support the principle of...Ch. 17.1 - Prob. 2CCh. 17.1 - What does the ability to produce iPSCs tell...Ch. 17.2 - Prob. 4LOCh. 17.2 - Prob. 5LOCh. 17.2 - Prob. 6LOCh. 17.2 - Prob. 7LO
Ch. 17.2 - Prob. 1CCh. 17.2 - Prob. 2CCh. 17.2 - Prob. 3CCh. 17.2 - Prob. 4CCh. 17.3 - Prob. 8LOCh. 17.3 - Prob. 1CCh. 17.3 - Prob. 2CCh. 17 - Prob. 1TYUCh. 17 - Prob. 2TYUCh. 17 - The anteriorposterior axis of a Drosophila embryo...Ch. 17 - Prob. 4TYUCh. 17 - Homeobox genes (a) are found in fruit flies but no...Ch. 17 - Prob. 6TYUCh. 17 - Prob. 7TYUCh. 17 - Which of the following statements about cancer is...Ch. 17 - Proto-oncogenes code for (a) morphogens (b)...Ch. 17 - Prob. 10TYUCh. 17 - Prob. 11TYUCh. 17 - Prob. 12TYUCh. 17 - CONNECT Why is an understanding of gene regulation...Ch. 17 - What is the reason that scientists study...Ch. 17 - Prob. 15TYUCh. 17 - Prob. 16TYUCh. 17 - EVOLUTION LINK What is the common ground between...Ch. 17 - INTERPRET DATA Flower parts are arranged in four...
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