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Following are some events of mitotic cel...

Following are some events of mitotic cell division, select the correct order in which these events occur .
(i) Condensation of chromosomes is completely
(ii) chromosomes lose their identity as discrete elements
(iii) Sister chromatids separate
(iv) Initiation of the assembly of the mitotic spindle

A

`i rarr ii rarr iii rarr iv `

B

`iv rarr i rarr iii rarr ii `

C

`ii rarr i rarr iv rarr iii `

D

`iv rarr iii rarr i rarr ii `

Text Solution

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The correct Answer is:
C
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Answer the following questions regarding the events carried out in the labelled parts of the ab ove given diagram. (1) DNA synthesis occurs in (2) Condenstaion of chromosomal material takes place in (3) Attachement of spindle fibres to kinetochores of chromosomes during (4) Initiation of the assembly of mitotic spindle during (5). Splitting of centromere and separation of chromatids in (6) Movement of chromatids to opposite poles during (7) Reformation of nucleolus, Golgi complex and ER occurs in (8) Alignment of chromosomes along metaphase plate during (9) During of cytoplasm during (10) Preparation of cell division takes place during.

The figure given below represents the stage of cell division. Read the following statements. (i) Nucleolus, Golgi complex and ER reform. (ii) Chromatids move to the opposite pole. (iii) The activity of the recombinase enzyme. (iv) Homologous chromosomes separate while sister chromatids remains associated at their centromere. (v ) Initiated of the assembly of the mitotic spindle. How many of the above statements is not true with respect to the above figure-

Choose the correct statements with respect to the completion of prophase I. Chromosomal material condenses to from compact mitotic chromosomes. Chromosomes are seen to be composed of two chromatids attached together at the centromere. II. Initiation of the assembly of mitotic spindle, the microtubules, the proteinaceous components of the cell cytoplasm III. Cells at the end of prophase, when viewed under the microscope, do not show golgi complexes, endoplasmic reticulum, nucleolus and the nuclear envelope

The events of mitotic cell cycle which are under genetic control are I. Cell growth II. DNA replication III. Distribution of chromosome to daughter nuclei IV. Chromosome replication

The cytoskeletal elements are involved in : (i) Amoeboid movement (ii) separation of chromosomes (iii) Ciliary movement (iv) Formation of cell plate

Name the stages during which following events occur: (i) Desynapsis (ii) Tetrad formation. (iii) Reduction of amount of DNA per chromosome in meiosis.

The following statements describe events during the mitotic cell cycle. What is the correct of these events in the mitotic cell cycle ? I. chromosomes migrated to opposite poles of the spindle. II. Chromosomes arrange themselves at the equator of the spindle. III. Chromosomes condense and the number membrane disappears . IV. Centromeres divide.

Identify the mitotic stage from the given features . (i) Nuclear envelope degenerates completely . (ii) Chromosomes are spread throughout the cytoplasm . (iii) Fully formed spindle apparatus consists of fine fibres .

The key events shown by the telophase is/are I. Chromosomes cluster at opposite spindle poles and their identity is lost as discrete elements. II. Nuclear envelope assembles around the chromosome clusters III. Nucleolus, golgi complex and ER reform

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