which step of mitosis does the following sentence describe? the chromosomes are aligned at the metaphase plate (a plane that is equally distant from the two spindle poles).
95fb5b7e82611d27ec32673838b19484
BIO chapters 10,12,13,14 Flashcards The third stage of mitosis, in which the spindle is complete and the chromosomes, attached to microtubules at their kinetochores, are all aligned at the metaphase plate. Metaphase plate An imaginary plane during metaphase in which the centromeres of all the duplicated chromosomes are located midway between the two poles. Metastasis The spread of cancer cells to locations distant from their original site.
b211ef59a033a92deb4b942fffff047e
- We can determine the number of chromosomes [and chromatid (s) per chromosome] for each stage in mitosis. Prophase. Chromatin in the nucleus begins to condense and becomes visible under the light microscope as chromosomes, each with two chromatids that are held together at the centromere.
f6991f78846b2fffe1b585900486bbea
Learn About the Stages of Meiosis Anaphase, the paired chromosomes (sister chromatids) separate and begin moving to opposite ends (poles) of the cell. Spindle fibers not connected to chromatids lengthen and elongate the cell. At the end of anaphase, each pole contains a complete compilation of chromosomes.
4216c30dfa2e8876ef756712af36d9c6
- Observing Mitosis with Fluorescence Microscopy Metaphase Perhaps the most recognizable phase of mitosis is termed metaphase, a stage where the chromosomes, attached to the kinetochore microtubules, begin to align in a single plane (known as the metaphase plate) midway between the spindle poles.
95f3fca7cd65533b3c513255c9c66f27
Stages of Mitosis METAPHASE: The centromes are at opposite ends of the cell poles. The chromosom es are lined up at the 'metaphase plate', an imaginary line equidistant between the two poles. The centromeres of the chromosomes are all aligned with one another.
5ee27e9cd98f37b9658c7d6a8d9d96c1
prophase The first stage of cell division. Before prophase begins, the chromosomes duplicate to form two long, thin strands called chromatids. During prophase itself, the chromatids condense and thicken and the membrane surrounding the nucleus disappears. In mitosis, prophase is followed by metaphase.
d927910d1d3c12fbe5263966b1dfeec4
28 U.S.C. 1961 - Post Judgment Interest Rates Title 28. (a) Interest shall be allowed on any money judgment in a civil case recovered in a district court. Execution therefor may be levied by the marshal, in any case where, by the law of the State in which such court is held, execution may be levied for interest on judgments recovered in the courts of the State.
017f85c242f32c1ef3618cd9a86cacb4
- Now, during metaphase — the second stage of mitosis in the eukaryotic cell cycle — the chromosomes, pulled by the spindle fibers, line up along the middle of the cell, halfway between the centrosomes on an imaginary plane called the metaphase (or equatorial) plate. The chromosomes are now maximally condensed.
e9965a252a11106778deba3d5fba47f7
- During metaphase I, all of the doubled homologous chromosome pairs line up along the midline of the cell between the two centrioles. During anaphase I, the homologous chromosome pairs separate and are pulled to opposite poles of the cell by spindle fibers attached to the centrioles.
35ddb7771c03b9ff7868dba412ff478f
An Introduction to DNA and Chromosomes (Text and Audio) During this stage, the microtubules, or spindle fibers, pull the homologous chromosomes apart and move them to opposite ends of the cell. Telophase I is next. Here the spindle fibers are broken up, new nuclear membranes form, the chromosomes uncoil, and the cell divides into two daughter cells. The next phase of meiosis is called Meiosis II. This begins with prophase II. During this stage the chromosomes condense once again, the nuclear membrane breaks down, and the spindle apparatus forms in each of the two new cells. This is followed by metaphase II. Here the spindle fibers attach to the chromosomes and again align them at the middle of the new cells. Next, during anaphase II, the sister chromatids are pulled to opposite ends of the cells, and the cells elongate.
7126cd9dbed7fc7c4037e1c0ec1fca9b
CELL CYCLE It is now believed that this complex is mostly released from chromosome arms during prophase, so that by the time the chromosomes line up at the mid-plane of the mitotic spindle (also known as the metaphase plate), the last place where they are linked with one another is in the chromatin in and around the centromere.
3e18703e4cec663b5fc092d2369bc6cb
Mitosis These stages are prophase, prometaphase, metaphase, anaphase, and telophase. During mitosis, the chromosomes, which have already duplicated, condense and attach to spindle fibers that pull one copy of each chromosome to opposite sides of the cell. The result is two genetically identical daughter nuclei. The rest of the cell may then continue to divide by cytokinesis to produce two daughter cells.
e0824228dc32375828d1dcbc6c2849cc
Dry Skin Skin owes its soft, pliable texture to its water content. Dry air (low humidity), probably the most common cause of dry skin, causes an evident reduction of water content. Furthermore, dry skin results when lipids are depleted and there is not enough water in the stratum corneum for it to function properly.
5455137df94326b71bb139b2918dea0a
- The mitotic phase consists of the following stages: 1) Prophase: At prophase (after DNA synthesis is already completed during interphase), the cell is still preparing for division. 2) Metaphase: At the prophase or early metaphase, the spindle tubules start appearing.
1c1fa9e6393e5283233ee05a080952f2
Biology Metaphase. Chromosomes line up across the center of the cell-Each arm of chromosome-sister chromatid-Connection point-centromere Each chromosome is connected to a spindle fiber (structure that helps separate the chromosomes) at its centromere.
35e4309c0dd6ac61ddb379b20f8f63e6
- Answers. Best Answer: Mitosis is the process of cell division. The cell equator, or equatorial plate, is when the nucleus has broken down, and the chromosomes are lengthening, and forming a line in the middle of the cell. This happend during Metaphase. This line is called the cell equator.he cell equator, or equatorial plate, is when the nucleus has broken down, and the chromosomes are lengthening, and forming a line in the middle of the cell. This happend during Metaphase.
05ed9b4752f4abddf74d9cde1718b7f8
What is meiosis? Metaphase II: 1  In each of the two daughter cells the chromosomes (pair of sister chromatids) line up end-to-end along the equator of the cell. 2  The centrioles are now at opposites poles in each of the daughter cells.
1fce82a42ab4db4c4635b43405d490c2
9.4 and 9.5 Activity The pairing of homologous chromosomes in prophase I allows them to move opposite of each other, in the middle of the cell, during metaphase I. Therefore, the two daughter nuclei will contain only one copy of each homologous pair. Describe the similarities and differences between prophase I and prophase II. In prophase I and II, the chromosomes are composed of two chromatids. However, in prophase II there is only half the number of chromosomes. Describe how meiosis II is similar to mitosis. During the metaphase of both meiosis II and mitosis, the chromosomes line up in the middle with the centromeres.
d7f829b64388bdbeb6a950917bde7f89
The Cell Cycle & Mitosis Tutorial Metaphase. Spindle fibers align the chromosomes along the middle of the cell nucleus. This line is referred to as the metaphase plate. This organization helps to ensure that in the next phase, when the chromosomes are separated, each new nucleus will receive one copy of each chromosome.
52174654e99acb9def81c8d2f8445ef1
What is the second phase of mitosis include a brief Metaphase is the second stage oF mitosis. In this stage the chromosomes line up across the center oF the cell and become connected to the spindle fber at their centromere. What is the third phase oF mitosis? Include a brieF descripTon (3-5 sentences) oF what occurs during this phase. Metaphase is the second stage oF mitosis. In this stage the chromosomes line up across the center oF the cell and become connected to the spindle fber at their centromere.
2287ecef4ab2cad4164685ddc03aa6e0
Mitosis/Meiosis/DNA Replication Meiosis-Metaphase I. Nuclear membrane is gone, microtubules attach to outside of kinetochore proteins (only on one side), and joined pairs of chromosomes line up at metaphase plate. Allows for Indepentent Assortment during Anaphase I.
fd8c092f1b16daa1543c5b954a3a00c5
MADMAN BIOLOGY After metaphase is complete, the third stage of mitosis, called anaphase, begins. Now sister chromatids are pulled apart toward opposite sides, or poles, of the cell 1,2. This ensures the two resulting daughter cells end up with the same number of chromosomes as the original cell.
59256ce39600ac470b92cc0c25d36614
Stages of Mitosis ANAPHASE: The paired chromosomes separate. They move along the microtubules toward opposite poles of the cell. The poles move farther apart. By the end of anaphase, the two poles of the cell each have a complete set of chromosomes. TELOPHASE: The microtubules become even longer, and daughter nuclei begin to form at the two poles of the cell.
4e3c02d171a6424104929eca3976822d
Contents: Mitosis and Meiosis Stages of Meiosis I. 1  The first meiotic phase is prophase 1. As in mitosis, the nuclear membrane dissolves, chromosomes develop from the chromatin, and the centrosomes push apart, creating the spindle apparatus. 2  In metaphase 1, some of the spindle fibers attach to the chromosomes' centromeres.
b056cc64388482f51eb05a7a025aaabb
Biology for Kids When a cell gets the signal that it is to duplicate, it will enter the first state of mitosis called the prophase. 1  Prophase - During this phase the chromatin condenses into chromosomes and the nuclear membrane and nucleolus break down. 2  Metaphase - During metaphase the chromosomes line up along the middle of the cell.
36555a19ea13136abcc3542c1f37b615
Mitosis Lesson for Kids: Definition & Stages For example, a human cell has 46 chromosomes, and those chromosomes are copied into 92 chromosomes during interphase. The other 10% of the time, the cell is going through mitosis. Mitosis has four main phases: prophase, metaphase, anaphase, and telophase. We can remember their names with the acronym PMAT.