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TLS Online TPP Program

#Question id: 6962

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

#Unit 5. Developmental Biology
  1. The organizer induces the dorso-ventral axis.
  2. The organizer forms near the dorsal lip of the blastopore.
  3. The organizer accumulates -catenin, which in turn activates the expression of cell-cell signaling molecules.
  4. The organizer will become the mesoderm.
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TLS Online TPP Program

#Question id: 18700

#Unit 13. Methods in Biology

A student adds Taq Polymerase, nucleotides, and primer to a test tube. What procedure are they most likely going to do next?
TLS Online TPP Program

#Question id: 18701

#Unit 13. Methods in Biology

PCR (polymerase chain reaction) is an excellent method of generating copies of target DNA. If a single piece of double stranded DNA (dsDNA) is put into a PCR machine, how many dsDNA segments will there be after 3 rounds?
TLS Online TPP Program

#Question id: 18702

#Unit 13. Methods in Biology

What would be the effect on the PCR reaction if any of the following circumstances arose: 1) there are no primers in the reaction, 2) there are no dNTPs in the reaction, 3) there is no Taq polymerase in the reaction?
TLS Online TPP Program

#Question id: 18703

#Unit 13. Methods in Biology

If the weight of 1 mol bp is 660g What will the no. of moles in 4 х 106 bp
TLS Online TPP Program

#Question id: 18704

#Unit 13. Methods in Biology

If the weight of 1 mol bp is 660g What will the no. of moles in human genome having 3 x 109 bp
TLS Online TPP Program

#Question id: 18705

#Unit 13. Methods in Biology

What will weight in picogram in human genome