Arrange the following events that occur in mitosis and select the correct option.
(A) Complete disintegration of the nuclear envelope
(B) Movement of chromatids towards opposite poles
(C) Reformation of organelles
(D) Beginning of condensation of chromatin material

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Solution

Answer (1)
The sequence of events in mitosis are
(i) Beginning of condensation of chromatin material
(ii) Complete disintegration of nuclear envelope
(iii) Movement of chromatids towards opposite poles
(iv) Nucleolus, golgi complex and ER reform

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Question 8
Which of the events listed below is not observed during mitosis?
(a) Chromatin condensation
(b) Movement of centrioles to opposite poles
(c) Appearance of chromosomes with two chromosome joined together at the centromere
(d) Crossing over

Q. The events shown below occur during different phases:
a. Centromere splits, chromatids separate and move to opposite poles, chromatids are now called chromosomes.
b. Chromosomes cluster at opposite poles, decondensation of chromosomes, reappearance of the nuclear membrane, golgi bodies, and the ER.
c. Chromosomal replication.
d. Kinetochores attach to spindle fibres and chromosomes are arranged at the equatorial plate.
e. Condensation of chromosomal materials.

Which of the following correctly identifies each of the phases described?

Q. Which of the following events takes place during anaphase stage of mitosis?
I. Spindle fibres attach to kinetochores of chromosomes
II. Centromeres split and chromatids separate
III. Chromatids move to opposite poles
IV. Nucleolous, Golgi complex and E.R. reform

Q. ‘XX’ is a phase of mitosis, in which the chromatin condenses into discrete chromosomes. During ‘XX’ phase, nuclear envelope breaks down and spindles forms at opposite ends of the cell Identify ‘XX’

Q. Which of the following is NOT true about Mitosis?a) Anaphase is when the chromatids separate at the centromere and begin moving to opposite "poles".b) Prophase is when chromatin coils into chromosomes, nucleus organelles disappear, spindle fibers.c) Metaphase is when chromosomes line up on the equator with their homologous pair.d) Telophase is when the nuclear division is completed and the cell moves into cytokinesis.e) at the end of mitosis there will be exactly the same number of chromosomes as at the start.

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Arrange the following events that occur in mitosis and select the correct option. (A) Complete disintegration of the nuclear envelope (B) Movement of chromatids towards opposite poles (C) Reformation of organelles (D) Beginning of condensation of chromatin material

Answer (1) The sequence of events in mitosis are (i) Beginning of condensation of chromatin material (ii) Complete disintegration of nuclear envelope (iii) Movement of chromatids towards opposite poles (iv) Nucleolus, golgi complex and ER reform

Arrange the following events that occur in mitosis and select the correct option.
(A) Complete disintegration of the nuclear envelope
(B) Movement of chromatids towards opposite poles
(C) Reformation of organelles
(D) Beginning of condensation of chromatin material

Answer (1)
The sequence of events in mitosis are
(i) Beginning of condensation of chromatin material
(ii) Complete disintegration of nuclear envelope
(iii) Movement of chromatids towards opposite poles
(iv) Nucleolus, golgi complex and ER reform