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TLS Online TPP Program

#Question id: 2947

You perform an experiment where you prevent Cdc20 from binding to APC  in a cell line that usually completes the cell cycle in 60 minutes. Your experiment prevents Cdc20 from binding to APC for 120 minutes, and then you fix and stain the DNA, securin, separase and cohesin proteins. Which of the following would NOT be found in the observed cell?

#SCPH05 I Biotechnology

  1. The cell would contain condensed chromosomes aligned at the metaphase plate.

  2. Cohesins will be localized around the sister chromatids.

  3.  Securin would be bound to separase (appear to co-localize).

  4. The DNA will be decondensed because the cell is in interphase.

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TLS Online TPP Program

#Question id: 2336

#SCPH06 I Botany

Which of the following exhibit the 9 + 2 structure of microtubules?        
TLS Online TPP Program

#Question id: 1290

#SCPH28 | Zoology

Hydroxyproline is important in the formation of staple collagen polymers within cells. The formation of hydroxyproline requires:
TLS Online TPP Program

#Question id: 2665

#SCPH06 I Botany

A transposon ____________.
TLS Online TPP Program

#Question id: 19517

#SCPH05 I Biotechnology

Which of the following assertions about the main cell is correct?
TLS Online TPP Program

#Question id: 959

#SCPH05 I Biotechnology

Phenylalanine hydroxylase requires molecular ________ and tetrahydrobiopterin.