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TLS Online TPP Program

#Question id: 12914

 In Electrophoresis of DNA the gel is first soaked in the alkali then it is transferred to the membrane so that the ________

#SCPH01 Biochemistry
  1. DNA is not  bound to it in exactly the same pattern as the original.
  2. DNA becomes bound to it in exactly the complementary  pattern as the original.
  3. DNA becomes bound to it in exactly the same pattern as the primer.
  4. DNA becomes bound to it in exactly the same pattern as the original.
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TLS Online TPP Program

#Question id: 13107

#SCPH05 I Biotechnology

With the help of DNA fingerprinting which can be used to determine paternity. There are three babies (Baby A, Baby B and Baby C) in a maternity ward, and three sets of confused and worried parents. (Father and Mother #1 are a couple, as are Father and Mother #2, and Father and Mother #3.) 
You do each PCR reaction on chromosome 15 and load each one into a separate well of an agarose gel, and then run the gel.
 

 
Why is it that some people show two bands?
TLS Online TPP Program

#Question id: 3021

#SCPH28 | Zoology

The lag phase of the bacterial growth curve is marked by
TLS Online TPP Program

#Question id: 2091

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

Proteins can be attached to the phospholipid bilayer plasma membrane by covalently linked hydrocarbon groups. Which of the following mechanisms are not employed in this anchoring?
TLS Online TPP Program

#Question id: 13102

#SCPH06 I Botany

 With the help of DNA fingerprinting which can be used to determine paternity. There are three babies (Baby A, Baby B and Baby C) in a maternity ward, and three sets of confused and worried parents. (Father and Mother #1 are a couple, as are Father and Mother #2, and Father and Mother #3.) 
You do each PCR reaction and load each one into a separate well of an agarose gel, and then run the gel.
 

 Why is it that having more repeats leads to a band that is higher in the gel?
TLS Online TPP Program

#Question id: 5027

#SCPH06 I Botany

Fossil evidence indicates that the following events occurred in what sequence, from earliest to most recent?

1. Protostomes invade terrestrial environments.

2. Cambrian explosion occurs.

3. Deuterostomes invade terrestrial environments.

4. Vertebrates become top predators in the seas.