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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Textbook Question
Chapter 10, Problem 10TYU
CONNECT Does the DNA content of the cell change from the beginning of interphase to the end of interphase? Does the number of chromosomes change? Explain.
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. Briefly state how each of the following cell componentscan be recognized in electron micrographs: the nucleus,a mitochondrion, a lysosome, and a centriole. What is theprimary function of each?
Let’s model mitosis. Focus on drawing the cell nucleus taking care to model the number and location of chromosomes. Although the chromosomes are only visible in each stage, draw them in all stages for clarity sake.
Draw a 2n=4 cell at G1 of interphase.
Draw the same cell at the start of prophase.
Draw the same cell at metaphase.
Draw the cell(s) that result at the end of cytokinesis.
Answer
Structures
Function
Centrioles
1. Composed of proteins and rRNAs
Cytosol
2. Region in prokaryotes contains a chromosome
3. ring of nine outer microtubule doublets (9+2 axoneme)
Plasma membrane
4. Support the cell and protect against plasmolysis
Ribosome
5. Composed of glycoprotein(s) and involved in transferring material into or out of the cell
Transporters
6. contain hydrolytic enzymes and involved in autophagy
Receptor
7. Composed of microtubules and sweep mucus out of respiratory tract
14
Peroxisome
8. Controls which material can get in or out of the cell
2
Nucleoid
9. Contains chromosomes and has nuclear envelope
3
Cilia
10. Maintain membrane fluidity
11. contains…
Chapter 10 Solutions
Biology (MindTap Course List)
Ch. 10.1 - Discuss the significance of chromosomes in terms...Ch. 10.1 - Explain how DNA is packed into chromosomes in...Ch. 10.1 - What are the informational units on chromosomes...Ch. 10.1 - How is the large discrepancy between DNA length...Ch. 10.2 - Identify the stages in the eukaryotic cell cycle...Ch. 10.2 - Describe the structure of a duplicated chromosome,...Ch. 10.2 - Prob. 5LOCh. 10.2 - Prob. 1CCh. 10.2 - What are the stages of mitosis, and what happens...Ch. 10.3 - Prob. 6LO
Ch. 10.3 - What are cell-cycle checkpoints?Ch. 10.3 - Prob. 2CCh. 10.4 - Prob. 7LOCh. 10.4 - Distinguish between haploid and diploid cells, and...Ch. 10.4 - Prob. 9LOCh. 10.4 - 10.2 What are the stages of mitosis, and what...Ch. 10.4 - Prob. 1CCh. 10.4 - Prob. 2CCh. 10.4 - Can haploid cells divide by mitosis? by meiosis?Ch. 10.5 - Prob. 11LOCh. 10.5 - Prob. 1CCh. 10.5 - Prob. 2CCh. 10 - A nucleosome consists of (a) DNA and scaffolding...Ch. 10 - Test Your Understanding 2. At which of the...Ch. 10 - In a cell at __________, each chromosome consists...Ch. 10 - The molecular tether that links sister chromatids...Ch. 10 - In an animal cell at mitotic metaphase, you would...Ch. 10 - A diploid nucleus at early mitotic prophase has...Ch. 10 - You would expect to find a synaptonemal complex in...Ch. 10 - A chiasma links a pair of (a) homologous...Ch. 10 - VISUALIZE Sketch a mitotic prophase chromosome and...Ch. 10 - CONNECT Does the DNA content of the cell change...Ch. 10 - Fill out the following table for a cell with 5...Ch. 10 - Fill out the following table for a diploid cell...Ch. 10 - In questions 13 and 14, decide whether each is an...Ch. 10 - Prob. 14TYUCh. 10 - EVOLUTION link How does mitosis provide evidence...Ch. 10 - Prob. 16TYU
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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
- VISUALIZE Sketch a mitotic prophase chromosome and label sister chromatids, sister centromeres, and sister kinetochores.arrow_forwardTest Your Understanding 2. At which of the following stages do human skin cell nuclei have the same DNA content? (a) early mitotic prophase and late mitotic telophase (b) G1 and G2 (c) G1 and early mitotic prophase (d) G1 and late mitotic telophase (e) G2 and late mitotic telophasearrow_forwardWhat does the ability to produce iPSCs tell scientists about the differences between ES cells and differentiated cells? Do these findings argue against the principle of nuclear equivalence? Explain your answer.arrow_forward
- Watch this video (http://openstaxcollege.org/l/endomembrane1) to learn about the endomembrane system, which includes the rough and smooth ER and the Golgi body as well as lysosomes and vesicles. What is the primary role of the endomembrane system?arrow_forwardVisit this link (http://openstaxcollege.org/l/mitosis) to learn about mitosis. Mitosis results in two identical diploid cells. What structures form during prophase?arrow_forwardDiscuss the connection between celldivision and cancer cells? How do cancercells divide indefinitely? Why do cancercells kill normal cells of the body?arrow_forward
- 6. Complete the cellular detail for each phase as you observe it in the whitefish cells. Below each drawing , note what is happening to the DNA (chromatin, chromatids, chromosomes)arrow_forwardHelp me Is an organism named Lion is a Cell division requiring cell plate formation?arrow_forwardExamine whether the statement "Like the lumen of the ER, the interior of the nucleus is topologically equivalent to the outside of the cell" is true or false.arrow_forward
- In the tracking chromosomal DNA movement through mitosis experiment, how many chromosomes did each of your daughter cells contain? Why is it important for each daughter cell to contain information identical to the parent cell? How often do human skin cells divide? Why might that be? Compare this rate to how frequently human neurons divide. What do you notice?arrow_forwardWhat is proto cell ?? Discussarrow_forwardMAKE CONNECTIONS Chromosomescontain the genetic material and reside in thenucleus; how does the rest of the cell get accessto the information they carry?arrow_forward
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