Where do the structures belong in mitosis? **Educational Content: Cell Division and Development****1. Fertilization and Early Embryonic Development**- **Unfertilized Egg (400x total magnification)**- **Sperm (400x total magnification)**- **Fertilized Egg (400x total magnification)**- **Later-stage Embryo (400x total magnification)**1. **What is the new structure that formed just after fertilization?** - **Blastocyst**2. **What do you think is the purpose of this new structure?** *(Response space for students to hypothesize the role of the blastocyst in development.)***Activity 2-1: Label the Cell Structures and Stages****Label the Following Structures:**1. Cell membrane2. Cytoplasm3. Nuclear envelope4. Nucleolus5. Centrosome6. Chromatin7. Mitotic spindle8. Kinetochore (or centromere)9. Spindle microtubules10. Chromosome11. Cleavage furrow**Label the Following Stages of the Cell Cycle:**- Interphase- Prophase- Metaphase- Anaphase- Telophase- Cytokinesis**Diagram Explanation: Cell Cycle Stages**The diagram shows a sequence of cell division stages in a cycle, representing the process of mitosis. There are black arrows guiding the transition from one stage to the next:- **Interphase:** The cell prepares for division, with the DNA in the form of chromatin.- **Prophase:** The chromatin condenses into visible chromosomes.- **Metaphase:** Chromosomes align at the metaphase plate, attached to spindle fibers.- **Anaphase:** Sister chromatids separate and are pulled to opposite poles.- **Telophase:** Nuclear envelopes re-form around each set of chromosomes.- **Cytokinesis:** The cell divides, completing the process, with a cleavage furrow appearing to separate the daughter cells.

Later stage embryo shows mitotic division . Prior to this , meiosis occur in gametes .

Answered: 1. What is the new structure that…

1. What is the new structure that formed just after fertilization? (We are not referring to new cells.) blastocyst 2. What do you think is the purpose of this new structure? amann that

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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Question

Where do the structures belong in mitosis?

**Educational Content: Cell Division and Development**

**1. Fertilization and Early Embryonic Development**

- **Unfertilized Egg (400x total magnification)**
- **Sperm (400x total magnification)**
- **Fertilized Egg (400x total magnification)**
- **Later-stage Embryo (400x total magnification)**

1. **What is the new structure that formed just after fertilization?**
- **Blastocyst**

2. **What do you think is the purpose of this new structure?**
*(Response space for students to hypothesize the role of the blastocyst in development.)*

**Activity 2-1: Label the Cell Structures and Stages**

**Label the Following Structures:**
1. Cell membrane
2. Cytoplasm
3. Nuclear envelope
4. Nucleolus
5. Centrosome
6. Chromatin
7. Mitotic spindle
8. Kinetochore (or centromere)
9. Spindle microtubules
10. Chromosome
11. Cleavage furrow

**Label the Following Stages of the Cell Cycle:**
- Interphase
- Prophase
- Metaphase
- Anaphase
- Telophase
- Cytokinesis

**Diagram Explanation: Cell Cycle Stages**

The diagram shows a sequence of cell division stages in a cycle, representing the process of mitosis. There are black arrows guiding the transition from one stage to the next:

- **Interphase:** The cell prepares for division, with the DNA in the form of chromatin.
- **Prophase:** The chromatin condenses into visible chromosomes.
- **Metaphase:** Chromosomes align at the metaphase plate, attached to spindle fibers.
- **Anaphase:** Sister chromatids separate and are pulled to opposite poles.
- **Telophase:** Nuclear envelopes re-form around each set of chromosomes.
- **Cytokinesis:** The cell divides, completing the process, with a cleavage furrow appearing to separate the daughter cells.

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