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46) What phase is indicated by "A""? 47) What structure is indicated by "B"? A) In which phase are the two indicated cells? B) What is indicated by the

46) What phase is indicated by "A""? 47) What structure is indicated by "B"? A) In which phase are the two indicated cells? B) What is indicated by the

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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### Educational Resource on Cell Division --- #### Slide Content: **46) What phase is indicated by “A”?** **47) What structure is indicated by “B”?** **A) In which phase are the two indicated cells?** **B) What is indicated by the arrow?** --- #### Explanation: The image on the right displays two cells undergoing the process of cell division as viewed under a microscope. 1. **Labeled Circles (A):** - **Question**: In which phase are the two indicated cells? - **Observation**: The two cells enclosed within the circles appear to be in the same phase. This phase is characterized by the alignment of chromosomes along the metaphase plate. 2. **Arrow (B):** - **Question**: What structure is indicated by the arrow? - **Observation**: The arrow points to the middle of the cell, highlighting a specific cellular structure essential during cell division. #### Diagram: 1. **Cells in Metaphase (A):** - The circular annotations indicate cells in the metaphase of mitosis, where chromosomes are aligned in the center of the cell along the metaphase plate. - Spindle fibers are visible extending towards the chromosomes. 2. **Centromere (B):** - The arrow points to the centromere region of the chromosomes, where sister chromatids are joined and spindle fibers attach during cell division. **Conclusion:** Metaphase is an essential step in mitosis, ensuring chromosomes are aligned properly for segregation into daughter cells. The centromere serves as the attachment point for spindle fibers, playing a crucial role in the accurate division of chromosomes. --- This detailed diagram and corresponding questions enhance the understanding of mitosis phases and key cellular structures involved.
Transcribed Image Text:### Educational Resource on Cell Division --- #### Slide Content: **46) What phase is indicated by “A”?** **47) What structure is indicated by “B”?** **A) In which phase are the two indicated cells?** **B) What is indicated by the arrow?** --- #### Explanation: The image on the right displays two cells undergoing the process of cell division as viewed under a microscope. 1. **Labeled Circles (A):** - **Question**: In which phase are the two indicated cells? - **Observation**: The two cells enclosed within the circles appear to be in the same phase. This phase is characterized by the alignment of chromosomes along the metaphase plate. 2. **Arrow (B):** - **Question**: What structure is indicated by the arrow? - **Observation**: The arrow points to the middle of the cell, highlighting a specific cellular structure essential during cell division. #### Diagram: 1. **Cells in Metaphase (A):** - The circular annotations indicate cells in the metaphase of mitosis, where chromosomes are aligned in the center of the cell along the metaphase plate. - Spindle fibers are visible extending towards the chromosomes. 2. **Centromere (B):** - The arrow points to the centromere region of the chromosomes, where sister chromatids are joined and spindle fibers attach during cell division. **Conclusion:** Metaphase is an essential step in mitosis, ensuring chromosomes are aligned properly for segregation into daughter cells. The centromere serves as the attachment point for spindle fibers, playing a crucial role in the accurate division of chromosomes. --- This detailed diagram and corresponding questions enhance the understanding of mitosis phases and key cellular structures involved.
### Foot Anatomy: Identification Exercise In this exercise, we focus on identifying specific surfaces of the foot to enhance your understanding of its anatomy. The images below illustrate different perspectives and surfaces of the foot. #### Image Breakdown: - **Image 1:** - Marked as "A": Displays the dorsal (top) surface of the foot. - Marked as "B": Displays the plantar (bottom) surface of the foot. - **Image 2:** - Marked as "A": Again, shows the dorsal surface of the foot from a different angle. - Marked as "B": Once more, shows the plantar surface of the foot from another perspective. ### Questions: 1. **What surface is "A"?** - The correct answer is the dorsal (top) surface of the foot. 2. **What surface is "B"?** - The correct answer is the plantar (bottom) surface of the foot. These illustrations serve as a visual guide to the anatomical surfaces of the foot. Understanding these perspectives is fundamental for fields such as medicine, physical therapy, and sports science. #### Notes on Diagrams: - The images are methodically numbered from 1 to 10, presenting various views and angles to assist in identifying the dorsal and plantar surfaces. - Each numbered illustration offers a unique perspective, aiding in comprehensive learning. These visual aids are crucial for mastering foot anatomy, ensuring a solid grasp of the subject matter.
Transcribed Image Text:### Foot Anatomy: Identification Exercise In this exercise, we focus on identifying specific surfaces of the foot to enhance your understanding of its anatomy. The images below illustrate different perspectives and surfaces of the foot. #### Image Breakdown: - **Image 1:** - Marked as "A": Displays the dorsal (top) surface of the foot. - Marked as "B": Displays the plantar (bottom) surface of the foot. - **Image 2:** - Marked as "A": Again, shows the dorsal surface of the foot from a different angle. - Marked as "B": Once more, shows the plantar surface of the foot from another perspective. ### Questions: 1. **What surface is "A"?** - The correct answer is the dorsal (top) surface of the foot. 2. **What surface is "B"?** - The correct answer is the plantar (bottom) surface of the foot. These illustrations serve as a visual guide to the anatomical surfaces of the foot. Understanding these perspectives is fundamental for fields such as medicine, physical therapy, and sports science. #### Notes on Diagrams: - The images are methodically numbered from 1 to 10, presenting various views and angles to assist in identifying the dorsal and plantar surfaces. - Each numbered illustration offers a unique perspective, aiding in comprehensive learning. These visual aids are crucial for mastering foot anatomy, ensuring a solid grasp of the subject matter.
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