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They form from chromatin at the poles of the nucleus.
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Crossing over occurs during which phase of meiosis?
Crossing over occurs during Prophase I of meiosis.
What are the role of centrioles?
Centrioles help divide DNA during cell division.
Explain why prophase is the longest phase in mitosis?
because the most things happen in it. centrioles grow, spindle fibers arrange on chromosomes, and the cell grows exponentially.
What two structures disappear during prophase?
During prophase, the nuclear membrane and the nucleolus dissolve and disappear.
When do chromosomes become visible during mitosis?
They are visible during mitosis. During Prophase the DNA is compacted into Chromosomes while the intermediate filaments that make up the Nuclear Envelope are phosphorylated and it falls apart. Leaving behind the chromosomes, very easy to see throughout prophase, metaphase, anaphase and telophase (Until the nucleus reforms in both daughter cells and the chromosomes de-condense). Chromosomes are easy to see by definition, their name in greek literally means colored bodies, this mostly because the guy that saw them first had no idea what they were.
In what phase do spindle fibers form from the centrioles?
Spindle fibers are thin tubes that form between the centrioles during mitosis. True..
In which phase do moving the pairs of centrioles to opposite poles?
The centrioles move toward opposite poles during prophase. During prophase the nuclear membrane disintegrates. Spindle fibers appear during the prophase.
The phase of mitosis in which doubling of the centrioles occurs is?
Centrioles double during the prophase of mitosis. Prophase is also the phase where DNA enters the chromosomes and are replicated.
What happens to centrioles during prophase?
moving apart
What stage centrioles separate?
Prophase- during prophase, chromatids shorten and thicken, nucleoli disappears, spindle fibers form and centrioles in animal cells move to opposite ends.
In what stage do the centrioles move apart?
The centrioles begin to move apart in the Prophase.
What cellular structures move to opposite ends of the cell during prophase?
It's the CENTRIOLES and their star-like radiating structures, called asters.This is Stage 1 in Mitosis:Chromatin in the nucleus condenses to form chromosomes. The pairs of centrioles move to the opposite sides of the nucleus. Spindle fibers form a bridge between the ends of the cell. The nuclear envelope breaks down.
During this phase of mitosis two centrioles appear to one side of the nucleus.?
prophase
What part of the cell takes up opposite sides of the nucleus during prophase?
CENTRIOLES
During this phase of mitosis two centrioles appear to one side of the nucleus?
prophase
Centrioles migrate to the poles of the cell during telophase?
False they are at poles during anaphase and metaphase.
The phase of mitosis during which chromosomes become visible and the centrioles seperate from one another is?
Prophase
