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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?

#SCPH28 | Zoology

  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: 3018

#SCPH05 I Biotechnology

In the growth curve of a bacteria population, the bacteria are rapidly increasing in number in the
TLS Online TPP Program

#Question id: 1610

#SCPH05 I Biotechnology

A polymorphonuclear neutrophil (PMN):
TLS Online TPP Program

#Question id: 3445

#SCPH28 | Zoology

Which one of these concepts is not associated with sociobiology?
TLS Online TPP Program

#Question id: 1026

#SCPH28 | Zoology

Peptidoglycan
TLS Online TPP Program

#Question id: 254

#SCPH12 I Genetics

In addition to knowing the chemical structures of the nucleotides, Watson and Crick used ________ of Franklin and Wilkins and the chemical equivalencies of Chargaff in order to propose their model of DNA structure.