TLS Online TPP Program

#Question id: 15543


In Benzer's intragenic mapping experiments, what event was required to allow production of infectious phage from rII mutants?

#Unit 8. Inheritance Biology
  1. rII mutant strains with mutations in different genes.
  2. Homologous recombination between phage.
  3. Crossover Within the mutant gene, between the mutation.
  4. Crossover at one end of the mutant gene, outside the mutation.
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TLS Online TPP Program

#Question id: 13108

#Unit 13. Methods in Biology

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 three bands?

TLS Online TPP Program

#Question id: 13109

#Unit 13. Methods in Biology

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.
 

 which number of repeats did Baby C inherit from his mother?

TLS Online TPP Program

#Question id: 13110

#Unit 13. Methods in Biology

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.
 

 
Match the babies up with their actual parents.
 

TLS Online TPP Program

#Question id: 13111

#Unit 2. Cellular Organization

Which of the following utilizes the H2O2 generated by other enzymes in the organelle to oxidize a variety of other substances—including alcohols, phenols, formic acid and formaldehyde—by the “peroxidative” reaction?

TLS Online TPP Program

#Question id: 13112

#Unit 2. Cellular Organization

In photorespiration, glycolic acid (glycolate), a two-carbon product of photosynthesis is released from chloroplasts and oxidized into glyoxylate and H2O2 by a peroxisomal enzyme called 

TLS Online TPP Program

#Question id: 13113

#Unit 2. Cellular Organization

------are water soluble, heterogeneous branched polysaccharides that contain many negatively charged D- galacturonic acid residues along with D- glucuronic acid residues.