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The correct answer: The spindle apparatus begins to become visible during (c) prophase.
- What phase does the spindle apparatus becomes visible?
- What is the spindle apparatus used for?
- Do you see spindle fibers in interphase?
- What phase is it when the spindles disappear?
- What happens during metaphase stage?
- What is the g2 phase of interphase?
- What is the role of the spindle apparatus during anaphase?
- Where does the spindle apparatus form?
- Is involved in spindle formation during cell division?
- How are spindle fibers formed?
- How are spindle Fibres formed?
- What do spindle fibers look like?
- What happens during mitosis stages?
- What happens during interphase answers?
- What happens during each of the four phases of mitosis?
What phase does the spindle apparatus becomes visible?
Prophase is the first stage of mitosis. In prophase, chromosomes condense and become visible. spindle fibers emerge from the centrosomes.
What is the spindle apparatus used for?
In cell biology, the spindle apparatus (or mitotic spindle) refers to the cytoskeletal structure of eukaryotic cells that forms during cell division to separate sister chromatids between daughter cells.
Do you see spindle fibers in interphase?
' There is interphase, prophase, prometaphase, metaphase, anaphase, telophase, and finally cytokinesis. Spindle fibers essentially exist during most of cell division. They form and exist through nearly all of the different phases.
What phase is it when the spindles disappear?
Telophase. The spindle disappears, a nuclear membrane re-forms around each set of chromosomes, and a nucleolus reappears in each new nucleus.
What happens during metaphase stage?
Metaphase is a stage in the cell cycle where all the genetic material is condensing into chromosomes. These chromosomes then become visible. During this stage, the nucleus disappears and the chromosomes appear in the cytoplasm of the cell.
What is the g2 phase of interphase?
G2 phase is a period of rapid cell growth and protein synthesis during which the cell prepares itself for mitosis. Curiously, G2 phase is not a necessary part of the cell cycle, as some cell types (particularly young Xenopus embryos and some cancers) proceed directly from DNA replication to mitosis.
What is the role of the spindle apparatus during anaphase?
Anaphase: Spindle fibers shorten and pull sister chromatids toward spindle poles. Separated sister chromatids move toward opposite cell poles. Spindle fibers not connected to chromatids lengthen and elongate the cell to make room for the cell to separate.
Where does the spindle apparatus form?
Spindle apparatus is formed from centromere present in cell cytoplasm. It is the characteristic features of eukaryotic cells.
Is involved in spindle formation during cell division?
Additional Information: The centrioles are mostly involved within the organization of the mitotic spindle and the completion of cytokinesis. ... However, centrosomes are only involved in a cellular division where they form the spindle apparatus.
How are spindle fibers formed?
Spindle fibers are formed from microtubules with many accessory proteins which help guide the process of genetic division. Each spindle fiber forms during cellular division near the poles of the dividing cell. As they extend across the cell, they search for the centromere of each chromosome.
How are spindle Fibres formed?
At the beginning of nuclear division, two wheel-shaped protein structures called centrioles position themselves at opposite ends of the cell forming cell poles. Long protein fibers called microtubules extend from the centrioles in all possible directions, forming what is called a spindle.
What do spindle fibers look like?
When viewed using a light microscope, the "spindle" (named after a device used for spinning thread) looks like a hairy, elongated ball originating (in animal cells) from the asters around the centrioles, or from opposite sides of the plant cell.
What happens during mitosis stages?
What happens during mitosis? During mitosis, a eukaryotic cell undergoes a carefully coordinated nuclear division that results in the formation of two genetically identical daughter cells. Mitosis itself consists of five active steps, or phases: prophase, prometaphase, metaphase, anaphase, and telophase.
What happens during interphase answers?
During interphase, the cell grows and makes a copy of its DNA. During the mitotic (M) phase, the cell separates its DNA into two sets and divides its cytoplasm, forming two new cells.
What happens during each of the four phases of mitosis?
1) Prophase: chromatin into chromosomes, the nuclear envelope break down, chromosomes attach to spindle fibres by their centromeres 2) Metaphase: chromosomes line up along the metaphase plate (centre of the cell) 3) Anaphase: sister chromatids are pulled to opposite poles of the cell 4) Telophase: nuclear envelope ...
