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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:

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

  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: 10344

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

Some of the following caracteristics of Nitrite reductase, which one of the is incorrect?
TLS Online TPP Program

#Question id: 6962

#SCPH01 Biochemistry

In which way is the organizer region of the sea urchin similar to that in frogs?
TLS Online TPP Program

#Question id: 10813

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

A living cytoplasmic connection penetrate the walls between sieve tube elements and their companion cells; which are often complex and branched on the companion cell side, known as
TLS Online TPP Program

#Question id: 3877

#SCPH01 Biochemistry

Differential RNA processing may result in:
TLS Online TPP Program

#Question id: 4971

#SCPH06 I Botany

On the basis of their morphologies, how might Linnaeus have classified the Hawaiian silverswords?