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TLS Online TPP Program

#Question id: 1183

Before ligand binding, receptor tyrosine kinases:

#Unit 4. Cell Communication and Cell Signaling

  1. contain binding sites for SH2-domain containing proteins.

  2. contain activation lip tyrosines within the kinase active site.

  3. bind to GRB2 within the cytosolic domains.

  4. have excellent tyrosine kinase activity.

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TLS Online TPP Program

#Question id: 11381

#Unit 10. Ecological Principles

Which of the following is decreasing order of NPP per unit area of different ecosystem?
TLS Online TPP Program

#Question id: 809

#Unit 1. Molecules and their Interaction Relevant to Biology

A single-stranded DNA molecule contains 40 nucleotides with equal amounts of A, C, G, and T. This DNA strand can combine with a complementary DNA strand to form a double-stranded DNA molecule. Which of the following double-stranded DNA molecules would denature at a lower temperature than the 40 base-pair double-stranded molecule described above?
TLS Online TPP Program

#Question id: 10455

#Unit 6. System Physiology – Plant

Phototropins regulate chloroplast movements via_____
TLS Online TPP Program

#Question id: 3626

#Unit 8. Inheritance Biology

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: 23718

#Unit 8. Inheritance Biology

In the polygenic inheritance, obtained two varieties of tobacco that differed in flower length: one variety of genotype aabbcc had a mean flower length of 40.5 mm, and the other genotype AABBCC had a mean flower length of 93.3 mm. Calculate the contribution of one dominant polygene?