Members of the Brassicales produce glucosinolates—sulfur-containing organic compounds derived from glucose and an amino acid—as their major defensive secondary metabolites

TLS Online TPP Program

#Id: 8890

#XL - T Zoology

Mitotic spindle attach to chromosomes via specialized protein structures known as kinetochores

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#Id: 8891

#XL - T Zoology

Kinetochores assemble on regions of chromosomal DNA marked by a centromere-specific H3 histone variant called CENP-A.

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#Id: 8892

#XL - T Zoology

Amphitelic attachment, 

sister kinetochores attach to microtubules emanating from opposite spindle poles, they are stably attached

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#Id: 8893

#XL - T Zoology

Merotelic attachment 

A kinetochore can attach to microtubules emanating from both poles at the same time

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#Id: 8894

#XL - T Zoology

Syntelic attachment 

Both kinetochores of a sister chromatid pair can attach to microtubules from the same pole

TLS Online TPP Program

#Id: 8895

#XL - T Zoology

Monotelic attachment 

only one kinetochore can attach to microtubules