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TLS Online TPP Program

#Question id: 13107

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?

#SCPH05 I Biotechnology
  1. The more repeats you have, the longer your DNA fragment is, and longer DNA fragments migrate more slowly in gels.
  2. They are homozygotes for the allele that cannot be cut.
  3. They are homozygotes for the allele that can be cut.
  4. They are heterozygotes, and possess one allele that can be cut and one allele that cannot be cut.
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TLS Online TPP Program

#Question id: 23247

#SCPH28 | Zoology

In pyrosequencing which molecule is actually detected?
TLS Online TPP Program

#Question id: 1611

#SCPH28 | Zoology

Which of the following is NOT produced following activation of the NADPH oxidase microbicidal pathway?
TLS Online TPP Program

#Question id: 3688

#SCPH05 I Biotechnology

Which of the following enzyme has a unique ability to introduce positive and negative supercoiling of the DNA and it is the target for antibacterial agents such as ciprofloxacin/quinolones?
TLS Online TPP Program

#Question id: 659

#SCPH28 | Zoology

What does it mean to say a protein is oligomeric?
TLS Online TPP Program

#Question id: 3541

#SCPH01 Biochemistry

Blue follower is dominant over white flower and long pollen is dominant over short pollen. A plant with Blue flower and short pollen was cross with white flower and long pollen. All F1 offspring display blue flower and long pollen. What is the percent of F2 progeny showing blue flower and long pollen?