Metaphase, Biology

Assignment Help:

Metaphase

This  is a period  of short duration, the  chromosomes are  at the  stage of their  maximum  condensation and , hence more  clearly  visible ,Upon  each  side  of their  centromeres,  a plate or cup like  dise ,formed  of protein  complexes  and  called  kinetochore , appears in the  depression  of the chromatid  of this  side  the  kinetochore  of each side  is seen to be attached  to  a bundle  of a number ( usually  20  to 40 )  of newly  formed spindle  fibres   called discontinuous , or  attachment , or chromosomal ,  or interzonal  spindle  fibres . The  opposite  ends of  these  fibres   are attached to the  spindle poles of their  respective sides. These  fibres pull  the scattered  chromosomes and  align then  in a fixed  specific  manner at the equatorial plane  of the spindle  forming  what is  known  as the equatorial or  metaphase plate.


Related Discussions:- Metaphase

What is rna, What is RNA? RNA is a single-stranded molecule which has...

What is RNA? RNA is a single-stranded molecule which has as its 5-carbon sugar ribose instead of the deoxyribose found in DNA. Also, uracil is substituted for thymine as a ni

How could an adult lose billions of cells, How can an adult lose billions o...

How can an adult lose billions of cells from all parts of the body each day and still survive?

Name the food yersinia enterolytica infection isolated from, Normal 0 ...

Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4 Determine the Yersin

What is the connection between tissue fluid and plasma, What is the connect...

What is the connection between tissue fluid, plasma and lymph? Tissue fluid is plasma (minus its proteins) which has leaked out of the capillaries. Lymph is tissue fluid which

State about led fredrick griffith, In the experiments that led Fredrick Gr...

In the experiments that led Fredrick Griffith to discover the "Transforming Principle", which of the following was the key step in illustrating that a substance within one cell cou

Hyperthyroidism (graves disease), Hyperthyroidism (Graves Disease): Gr...

Hyperthyroidism (Graves Disease): Graves diseases is  the most common cause of hyperthyroidism  in  children and is usually associated with an  enlarged thyroid gland and exop

Dietary management of constipation, Q. Dietary Management of Constipation? ...

Q. Dietary Management of Constipation? Management of constipation lies in developing regularity of habit through a bowel- training programme and by establishing good healthy ha

The social environment - stress of hospitalization, The Social Environment ...

The Social Environment   When the child is admitted to the hospital his social environment is totally changed and all health team members are strangers for him. It is your resp

Determine the implant failure after abutment connection, After Abutment Con...

After Abutment Connection The patient may complain of pain during screw tightening. Any clinical evidence should be looked into. It is important not to overtighten and overtorq

Show the communication process steps, Q. Show the Communication process ste...

Q. Show the Communication process steps? Planning - Set goals. - Make a plan with alternatives. - Allow the counsellee to select a alternative which is feasible.

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd