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TLS Online TPP Program

#Question id: 1749

The αβ heterodimeric form of the IL-2 receptor:

#XL - Q Biochemistry

  1. Is downregulated on activated cells

  2. Binds IL-2 with high affinity

  3. Is found only on T-cells

  4. Uses CD45 as an α chain

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TLS Online TPP Program

#Question id: 1776

#XL - Q Biochemistry

Which is not a function of IgA?
TLS Online TPP Program

#Question id: 4205

#XL - T Zoology

Puromycin is an antibiotic that inhibits protein synthesis because
TLS Online TPP Program

#Question id: 5746

#XL - T Zoology

A base change resulting in a codon specifying an amino acid which is different than in the wild-type polypeptide
TLS Online TPP Program

#Question id: 27181

#XL - R Botany

Which of of the following fruits is parthenocarpic?
TLS Online TPP Program

#Question id: 6954

#XL - T Zoology

Between fertilization and the first cleavage division, actin filaments pull the cytoplasm of the frog egg toward the point of sperm entry in a process called: