Campbell Biology (10th Edition)
10th Edition
ISBN: 9780321775658
Author: Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Robert B. Jackson
Publisher: PEARSON
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Textbook Question
Chapter 47, Problem 7TYU
Cells transplanted from the neural tube of a frog embryo to the ventral part of another embryo develop into nervous system tissues. This result indicates that the transplanted cells were
- a. totipotent.
- b. determined.
- c. differentiated.
- d. mesenchymal.
- e. apoptotic.
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If cells from the presumptive neural ectoderm of a frog gastrula are transplanted onto the surface of a second gastrula where skin would normally develop, the transplanted cells will still develop into tissues of the nervous system. This experiment shows that the transplanted cells areA. differentiated.B. totipotent.C. discontinuous.D. determined.E. endodermal.
The expression of homeotic genes leads to
a. the establishment of body axes.
b. the formation of segments in the embryo.
c. the determination of structures within segments.
d. cell differentiation.
Of the following cell types, which one would be most likely to exist in the G0 state?
A.
An epithelial cell in the intestine of a developing embryo
B.
A primary spermatocyte
C.
An intestinal epithelial cell line growing rapidly in a cell culture dish
D.
A differentiated intestinal epithelial cell in an adult
Chapter 47 Solutions
Campbell Biology (10th Edition)
Ch. 47.1 - How does the fertilization envelope form in sea...Ch. 47.1 - Prob. 2CCCh. 47.1 - MAKE CONNECTIONS Review Figure 12.16 on cell...Ch. 47.2 - In the frog embryo, convergent extension elongates...Ch. 47.2 - WHAT IF? Predict what would happen if Ca2+ was...Ch. 47.2 - MAKE CONNECTIONS Unlike some other types of birth...Ch. 47.3 - Prob. 1CCCh. 47.3 - Prob. 2CCCh. 47.3 - Prob. 3CCCh. 47.3 - Prob. 4CC
Ch. 47 - What cell-surface event would likely fail if a...Ch. 47 - Prob. 47.2CRCh. 47 - Suppose you found two classes of mouse mutations,...Ch. 47 - Prob. 1TYUCh. 47 - Which of the following is common to the...Ch. 47 - The archenteron develops into a. the mesoderm. b....Ch. 47 - What structural adaptation in chickens allows them...Ch. 47 - Prob. 5TYUCh. 47 - In humans, identical twins are possible because a....Ch. 47 - Cells transplanted from the neural tube of a frog...Ch. 47 - DRAW IT Each blue circle in the figure below...Ch. 47 - EVOLUTION CONNECTION Evolution in insects and...Ch. 47 - Prob. 10TYUCh. 47 - Prob. 11TYUCh. 47 - Prob. 12TYUCh. 47 - SYNTHESIZE YOUR KNOWLEDGE Occasionally, two-headed...
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- For pattern formation to occur, the cells in the developing embryo must a. “know” their position in the embryo. b. be determined during the earliest divisions. c. differentiate as they are “born.” d. must all be reprogrammed after each cell division.arrow_forwardWhich of the following is not true about frogs eggs and blastula formation? Choose all possible answers a. denser yolk in the animal hemisphere. b. Cleavage is holoblastic c. first cleavage plane is meridional and bisects the gray crescent, revealing the existence of some factor(s) that determine(s) the initial orientation of the cleavage spindle. d. first furrow also marks the plane of bilateral symmetry in the body e. All four blastomeres differ in sizes. f. All of the following are true about eggs of frogs.arrow_forwardDuring development, cells become a. differentiated before they become determined. b. determined before they become differentiated. c. determined by the loss of genetic material. d. differentiated by the loss of genetic material.arrow_forward
- Which of the following embryonic cell movements involves the desperation of cells from a continuous sheet of cells? A. Epiboly B. Involution C. Ingression D. Convergent extensionarrow_forwardWhich of the following statements about iPS cells is correct? A. They are derived from embryonic stem cells. B. Transcription factors play a key role in their production. C. When implanted into a mouse blastocyst, they are not able to produce viable offspring. D. They have never been used in a human clinical trial.arrow_forwardWhich of the following defines fate? A. process of which a potency of a cell becomes identical. B. sum of all structures a determined cell's descendants will form at later stage of development. C. A variety of structures that the descendants of a cells can potentially form. D. a shift in the cortical cytoplasm of a zygote E. none of the abovearrow_forward
- Which of the following statements relating to axis formation in chickens is FALSE? a. Henson's node secretes proteins that antagonize BMPs. b. The side of the epiblast facing the negative, basic albumin will become the ventral side of the embryo. c. Cells of the posterior marginal zone secrete Nodal to initiate the primitive streak. d. Water and sodium ions are transported from the albumin through the blastodisc cells and into the subgerminal space.arrow_forwardThe mesoderm gives rise to a. structures derived from epidermis, such as hair, feathers, nails, or claws. b. the lining of the digestive tract, pancreas, and liver. c. only the liver. d. the heart, blood vessels, muscle, and bones.arrow_forwardThe expression of maternal-effect genes directly leads to a. the establishment of body axes. b. segmentation. c. determination. d. cell differentiation.arrow_forward
- You are studying reproduction in starfish (also known as sea stars). You are able to successfully extract sperm and eggs from individuals in the lab and artificially fertilize the eggs. What is the second thing you expect to see (from this list) in the zygote/embryo after successful fertilization? Group of answer choices A. development of a barrier against sperm entry B. rapid cell division without growth C. rapid growth and cell division D. development of organsarrow_forwardWhich of the following statements about gastrulation is correct? A. During gastrulation, the contents of cell nuclei begin to vary so that they can start to perform different fucntions. B. During gastrulation, cells differentiate so that they can start to perform different functions. C. The formation of the endoderm, mesoderm, and ectoderm occurs after gastrulation. D. The formation of the endoderm, mesoderm, and ectoderm occurs before gastrulation.arrow_forwardA rare genetic disease involves the inability of the cells to respond to testosterone. The cells are lacking a. enzymes for testosterone. b. protein carriers for testosterone. c. receptors for testosterone. d. all plasma membrane proteins.arrow_forward
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