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TLS Online TPP Program

#Question id: 2949

A culture of cells is given 3H-thymidine for 30 minutes; then a sample of the cells is fixed and examined by autoradiography. It is found that:

#SCPH01 Biochemistry

  1. all of the cells engaged in mitosis have incorporated the labeled thymidine into their chromosomes.

  2. none of the cells engaged in mitosis have incorporated the labeled thymidine into their chromosomes.

  3. all of the cells, both mitotic and nonmitotic, have incorporated the labeled thymidine into their chromosomes.

  4. none of the cells, neither mitotic nor nonmitotic, have incorporated the labeled thymidine into their chromosomes.

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TLS Online TPP Program

#Question id: 14503

#SCPH01 Biochemistry

If 10 coins are tossed 100 times, how many times would you expect 7 coins to fall head upward ?
TLS Online TPP Program

#Question id: 19600

#SCPH05 I Biotechnology

The correct relationship between free energy change in a reaction and the corresponding equilibrium constant KC is
TLS Online TPP Program

#Question id: 8948

#SCPH06 I Botany

What distinguishes a coelomate animal from a pseudocoelomate animal is that coelomates
TLS Online TPP Program

#Question id: 2635

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

In E. coli, deleting the ribosome binding site and region 1 of the trp attenuator and leaving the remainder of the attenuator intact has which of the following effects?
TLS Online TPP Program

#Question id: 13039

#SCPH05 I Biotechnology

 Which of the following is incorrect about a microarray?