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Male Gametophyte

Each centroso...

Question

Each centrosome contains 2 centrioles. During late prophase, is it that one of the two centrioles reaches either pole and grows microfilaments, or is it that the centrosome duplicates and either one reaches the pole?

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Solution

the centrosome duplicates and either one reaches the pole

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Pick the odd one out

Centrosome, Leucoplast, Centrioles

Q. Choose the correct options from the following:
A. Centrioles are made up of nine evenly spaced peripheral fibrils of tubulin.
B. The centrioles in a centrosome lie parallel to each other.
C. The central part of the centriole is also proteinaceous and called the hub.
D. Centrioles form the spindle fibres that give rise to spindle apparatus during cell division.

Q. Sir
How does mitosis occur in plants without centrioles and centrosomes. We are taught that spindle fibres are formed by centrioles moving to opposite poles of the cell and plant cells don't posses centrioles. Then how is the spindle apparatus is formed and constricted to divide the chromatids.

Q. What is the angle between two centriole of a centrosome?

Centrosomes and centrioles are found in

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