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TLS Online TPP Program
#Question id: 13029
#Unit 13. Methods in Biology
Mutation at Vir E and Vir B can repectively cause :
TLS Online TPP Program
#Question id: 10175
#Unit 6. System Physiology – Plant
if you take a plant that developed indoors and transfer it outdoors; after some time, if it is the right type of plant what will happened?
TLS Online TPP Program
#Question id: 15622
#Unit 13. Methods in Biology
9 In your study of a new bacterial species you have identified a transducing phage that you call Px. In addition you have worked out methods to make random transposon insertions into the bacterial genome. You have generated two different transposon insertion collections one with 105 random Tn5 (Kanr) insertions and the other with 105 random Tn10 (Tetr) insertions. You grow Px phage on the mixed collection of Tn5 insertions and use the resulting phage lysate to infect the mixed collection of Tn10 insertions. You select 10,000 Kanr transductants and find that 80 of them are Tets. Use this information to estimate the total size of the bacterial genome assuming that both Tn5 and Tn10 insert randomly and that the average size of a fragment recombined into the recipient genome during Px transduction is 55 kbp. (Tn5 is about 5 kbp and Tn10 is 10 kbp.)
TLS Online TPP Program
#Question id: 5142
#Unit 5. Developmental Biology
The D set of blastomeres is the “organizer” of snail embryos. Experiments have demonstrated that the non-diffusible polar lobe [cortical] cytoplasm that is localized to the D blastomere is extremely important in normal molluscan development. Which of the following is incorrect?
TLS Online TPP Program
#Question id: 19808
#Unit 12. Applied Biology
Pathogen-derived resistance (PDR) has been realized in the cases of
1. Bacterial diseases
2. Fungal diseases
3. Plant diseases
4. Viral diseases
Which of the following options is incorrect?