EP CONNECT ONLINE ACCESS FOR BIOLOGY
20th Edition
ISBN: 9781260494655
Author: Raven
Publisher: MCG COURSE
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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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Imagine that a cell within a tissue is expressing a protein that leaves the cell and can “signal” to other cells. Which cells will respond?
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Which of the following is NOT an example of cell migration as a part of cell differentiation?
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Do the cells migrate to new locations during development and form selective adhesions with other cells to produce multicellular structures? How?
Chapter 52 Solutions
EP CONNECT ONLINE ACCESS FOR 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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- One of the main questions in the field of developmental biology is how cell differentiation works at a molecular level, If vou are a student studving the process of cell differentiation, what would you be studying? Select all correct answers. Whether cells in one species can be transplanted into another species. A. How cells undergo changes in shape, division, and migration to give tissues and organs their three dimensional form. The oxygen carrying capacity of blood from different species. How cells become different from each other and carry out distinct functions due to differential gene expression. OD. Whether certain genes are oncogenes or tumor suppressors in human cancers. E. How muscle progenitor cells undergo changes to become skeletal muscle cells. F.arrow_forwardDescribe the following shared developmental processes: - cell division - cell/cell interactions - cell movement and coordinated cell shape changes - programmed cell deatharrow_forwardWhy is cell differentiation important to polar bears?arrow_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_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_forwardWhat is the function of the basal cell and terminal cell in plant embryo development?arrow_forward
- Cell differentiation occurs through _______________, whereas morphogenesis involves _______________. (a) pattern formation; cell determination (b) cell division; cell expansion (c) cell expansion; pattern formation (d) cell determination; cell division (e) cell determination; pattern formationarrow_forwardAnimals and plants both have diploid and haploid cells. How does the animal life cycle differ from the alternation of generations exhibited by plants?arrow_forwardA classical experiment studying the fate determination of stem cells in the developing embryo uses the transplantation of somites from one organism to another. In such an experiment, a scientist transplanted somites 20, 21, and 22 from the right side of the neural tube from five-day-old developing quail embryos into chick embryos. The transplantation was performed in two orientations so that the order of the somites was sometimes reversed. Use the passage to answer the question. Suppose that somite stem cells commit to their cell fates by three days post fertilization. Which result would be MOST likely in the chick embryos receiving somites transplanted in the reverse order? A. The organs arising from quail somites develop in a normal order because local signaling molecules appropriately pattern the developing organs. B. The organs arising from quail somites develop in a normal order because transcriptional programs activated in the nucleus cannot be reversed.…arrow_forward
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