Practice Questions

TLS Online TPP Program

#Question id: 33291

Multiple forces act on chromosomes in the spindle, except?

#Unit 2. Cellular Organization

A force pulls the kinetochore and its associated chromatid along the kinetochore microtubule toward the spindle pole.
A poleward force is provided in some cell types by microtubule flux, whereby the microtubules themselves are pulled toward the spindle poles and dismantled at their minus ends.
A force acting on chromosomes is the polar ejection force, or polar wind.
A force that remove cohesin from the chromosome arms.

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TLS Online TPP Program

#Question id: 28493

#Unit 5. Developmental Biology

Zone of polarizing activity (ZPA) involves in which patterns of cell fates?

TLS Online TPP Program

#Question id: 28494

#Unit 5. Developmental Biology

Which of the following is the major active factor in the ZPA?

TLS Online TPP Program

#Question id: 28495

#Unit 5. Developmental Biology

The thickening of the ectoderm at the apex of the developing limb bud that is called___

TLS Online TPP Program

#Question id: 28496

#Unit 5. Developmental Biology

Which of the following is the major active factor in the AER?

TLS Online TPP Program

#Question id: 28497

#Unit 5. Developmental Biology

Which of the following genes play an essential role in specifying whether a particular mesenchymal cell will become stylopod, zeugopod, or autopod?

TLS Online TPP Program

#Question id: 28498

#Unit 5. Developmental Biology

In case of hindlimb, which Hox gene specify the stylopod?