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TLS Online TPP Program

#Question id: 6978

Removal of the apical ridge leads to

#SCPH28 | Zoology
  1. regeneration of the entire limb bud from underlying mesoderm
  2. formation of structures proximal to the apical ridge, but no formation of new distal structures
  3. regeneration of a new apical ridge from adjacent epidermal tissue
  4. continued development in the progress zone, once the apical ridge has induced progress zone formation
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TLS Online TPP Program

#Question id: 1662

#SCPH05 I Biotechnology

What is the approximate number of D segment genes in the immunoglobulin heavy chain gene locus?
TLS Online TPP Program

#Question id: 5745

#SCPH06 I Botany

Consider a species with a diploid (2n) number of 16 chromosomes. How many chromosomes would be found in a trisomic body cell?
TLS Online TPP Program

#Question id: 15187

#SCPH06 I Botany

Highest electrophoretic resolution/sensitivity is achieved from
TLS Online TPP Program

#Question id: 18075

#SCPH01 Biochemistry

At high salt concentrations, the mRNA containing poly(A) tails binds to the complementary oligo(dT) molecules of the affinity column, and so, mRNA will be retained; all other RNA molecules can be washed through the column by further high salt solution. finally, the bound mRNA can be eluted by using
TLS Online TPP Program

#Question id: 14504

#SCPH28 | Zoology

If the probability of a defective bolt is 0.1, the mean and standard deviation for the distribution of defective bolts in a total of 500 are