BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Chapter 52, Problem 1S
Summary Introduction
To explain:
How to know the developmental stage when the cell fate is determined.
Introduction:
Determination is an important part of development. During this the cell confirms the cell type it will become. After determination the cells differentiate into the cell type they were determined to be. This process helps in forming the different tissues and organs of an organism.
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How does a fertilized egg give rise to an organism with highly differentiated cells that are organized in space and time?
Which of the following is NOT an example of cell migration as a part of cell differentiation?
A. Mesenchyme cells forming mesoderm during gastrulation
B. Primitive streak formation in a chick embryo
C. Concentration of protein complexes during cleavage
D. Convergent extension to elongate the archenteron in the sea urchin
Do the cells migrate to new locations during development and form selective adhesions with other cells to produce multicellular structures? How?
Chapter 52 Solutions
BIOLOGY
Ch. 52.1 - Describe the events involved in fertilization.Ch. 52.1 - Prob. 2LOCh. 52.2 - Prob. 1LOCh. 52.2 - Prob. 2LOCh. 52.2 - Prob. 3LOCh. 52.3 - Prob. 1LOCh. 52.3 - Compare gastrulation in different animals.Ch. 52.3 - Name the extraembryonic membranes in amniotes.Ch. 52.4 - Prob. 1LOCh. 52.4 - Prob. 2LO
Ch. 52.4 - Prob. 3LOCh. 52.5 - Prob. 1LOCh. 52.5 - Explain the function of the organizer.Ch. 52.5 - Distinguish between primary and secondary...Ch. 52.6 - Describe the major developmental events in the...Ch. 52.6 - Explain the role of the placenta.Ch. 52.6 - Prob. 3LOCh. 52 - Data analysis Two different genes have mutant...Ch. 52 - Prob. 1IQCh. 52 - Prob. 1UCh. 52 - Which of the following plays the greatest role in...Ch. 52 - Gastrulation is a critical event during...Ch. 52 - Gastrulation in a mammal would be most similar to...Ch. 52 - Prob. 5UCh. 52 - Of the following processes, which occurs last? a....Ch. 52 - Which of the following would qualify as a...Ch. 52 - Prob. 1ACh. 52 - In the Spemann experiment, when the dorsal lip is...Ch. 52 - Suppose that a burst of electromagnetic radiation...Ch. 52 - Prob. 4ACh. 52 - Drug or alcohol exposure during which of the...Ch. 52 - Axis formation in amniotic embryos could be...Ch. 52 - Prob. 1SCh. 52 - You look up from your studying to see your dog,...Ch. 52 - Why doesnt a woman menstruate while she is...Ch. 52 - Spemann and Mangold were able to demonstrate that...
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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
- https://nj.pbslearningmedia.org/resource/tdc02.sci.life.stru.different/cell-differentiation/#.XhYcbf5KjBI How would you explain the similarities among bird, mammal, and reptile embryos at the early stages of development, and what directs the sequence of events during embryonic development?arrow_forwardWhy is cell differentiation important to polar bears?arrow_forwardDescribe the following shared developmental processes: - cell division - cell/cell interactions - cell movement and coordinated cell shape changes - programmed cell deatharrow_forward
- Consider a human zygote, how many cells will be formed before 16th round of cell division?arrow_forwardWhat would happen if one cell was removed or damaged at the 2-cell stage of sea urchin embryo development? What about if one cell was removed at the 4-cell stage? At the 8-cell stage? How about if two cells were separated after the first cleavage and allowed to develop on their own?arrow_forwarddescribe at least 2 specific examples of a developmental process that include molecules from the category as a component. Specify the molecule involved in each category (e.g. ECM: collagen, CAMs: cadherins, Cell junctions: desmosomes). Include images to illustrate the process. Category Developmental Process Image ECM 1 2arrow_forward
- For each of the following: ECM, CAMs and cell junctions, describe at least 2 specific examples of a developmental process that include molecules from the category as a component. Specify the molecule involved in each category (e.g. ECM: collagen, CAMs: cadherins, Cell junctions: desmosomes). Include images to illustrate the process. Category Developmental Process Image ECM 1 2 CAMs 1 2 Cell Junctions 1 2arrow_forwardWhat statement best describes the difference between "fate maps" and "specification"? If cells are transplanted from their normal region in an embryo to a different region in a recipient embryo, such cells will alter their fate, but not their specification. Cell fate map describes the allocation of cells to the germ layers, ectoderm, mesoderm, or endoderm, whereas specification describes the exact tissues that each cell will ultimately become. The fate map of an embryo does not change during development -- the fate map of an egg is the same as the fate map of a late blastula -- whereas the specification map of an embryo changes continually as the embryo's development proceeds. The fate map of a cell is determined by labelling that cell and following it during normal development, whereas the specification state of a cell is determined by culturing a cell in an artificial medium and observing what tissues form from it.arrow_forwardYou have an embryo in the eight-cell stage that shows radial and indeterminate cleavage. What would happen if you separated the cells of this embryo and placed them each into tissue culture media? Each cell may continue development, but only into a nonviable embryo that lacks many parts. Each cell may develop into a full-sized, normal embryo. All eight cells would die immediately. Each cell may deyelop into a smaller-than-average, but otherwise normal, embryo.arrow_forward
- 6)From the menu on the left on Virtual Urchin, click on "embryogenesis to hatching". This will display a video of sea urchin development. Photos of key stages taken with a scanning electron microscope (SEM) are shown next to the video. In addition to watching the video by clicking the play button, you can use the slider at the bottom to move through the stages step by step. Doing this will allow you watch how cell division increases the number of cells from the initial zygote. You'll notice that these divisions start off dividing cells evenly, but at a certain point, there are some smaller cells created. These smaller cells will play very important roles in the later development stages of the urchin, so their creation is a key milestone. Which round of cell division is uneven? (hint: the SEM images will be helpful) a)First b)Second c)Third d)Fourth e)Fiftharrow_forwardWhat is the function of the basal cell and terminal cell in plant embryo development?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
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