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TLS Online TPP Program

#Question id: 756

The thermal denaturation of DNA may be reversed by cooling the solution. Rapid cooling allows:

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

  1. the formation of local regions of dsDNA, formed by the base pairing of short regions of complementarity within or between DNA strands

  2. the wholly complementary DNA strands to find each other.

  3. Completely double helix formation

  4. All of the above are correct.

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TLS Online TPP Program

#Question id: 845

#SCPH06 I Botany

The most common cystic fibrosis– causing mutation is the deletion of a Phe residue at position____ in CFTR, which causes improper protein folding
TLS Online TPP Program

#Question id: 15607

#SCPH05 I Biotechnology

In gene transformation over high expression can be achieved by expressing the gene 
1. Inducible promoter
2. Constitutive  promoter
3. Terminator sequence
4. Increasing copy no. of gene
Which of the following are correct
TLS Online TPP Program

#Question id: 4188

#SCPH28 | Zoology

In eukaryotes what is the function of eIF-4 (cap binding protein)?
TLS Online TPP Program

#Question id: 3626

#SCPH06 I Botany

The major blood group locus in humans produces types A (genotypes AA or AO), B (genotypes BB or BO), AB (genotype AB), or O (genotype OO). Parents who are type AB and type O, what are the possible blood types of their offspring?
TLS Online TPP Program

#Question id: 4601

#SCPH28 | Zoology

DDT was once considered a "silver bullet" that would permanently eradicate insect pests. Instead, DDT is largely useless against many insects. Which of these would have prevented this evolution of DDT resistance in insect pests?