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TLS Online TPP Program

#Question id: 2969

In the cells of many eukaryotic species, the nuclear envelope has to disappear to permit which of the following events in the cell cycle?

#I Life Science/ Life Sciences Group – I-V

  1. DNA synthesis

  2. attachment of microtubules to kinetochores

  3.  separation of the centrosomes

  4. condensation of the chromosomes

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TLS Online TPP Program

#Question id: 352

#SCPH06 I Botany

One mole (mol) of glucose (molecular mass = 180 daltons) is ________.
TLS Online TPP Program

#Question id: 4187

#SCPH28 | Zoology

Prokaryotic mRNA molecules that contain several coding regions that encode several polypeptides are __.
TLS Online TPP Program

#Question id: 82

#I Life Science/ Life Sciences Group – I-V

The structures of D-ribose and D-arabinose are shown below. These two molecules are
TLS Online TPP Program

#Question id: 2999

#SCPH28 | Zoology

Agar is superior to gelatin as a solidifying agent because agar
TLS Online TPP Program

#Question id: 15478

#I Life Science/ Life Sciences Group – I-V

Escherichia coli preferentially utilizes glucose by preventing the uptake of lactose and switching off transcription of the lac operon. This mechanism is known as