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#Question id: 4205


Puromycin is an antibiotic that inhibits protein synthesis because

#XL - T Zoology
  1. it binds a ribosomal protein.

  2. it inhibits peptidyl transferase.

  3. it binds to the 50S subunit preventing translocation.

  4. it looks like aminoacyl-tRNA and binds to the A site.


Answer:- Option(s): 4


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#Question id: 2377

#XL - Q Biochemistry

The chloroplast is the site of…………           , whereas the mitochondrion is the site of…………..

TLS Online TPP Program

#Question id: 20118

#XL - P Chemistry

Compounds with high heat of formation are less stable because

TLS Online TPP Program

#Question id: 4192

#XL - T Zoology

At the end of the initiation step, the ribosome has a vacant

TLS Online TPP Program

#Question id: 20247

#XL - P Chemistry

C2H6 (g) + 3.5 O2 (g) →2CO2 (g) + 3H2O (g)
ΔSvap (H2O, l) = x1 cal K–1 (boiling point + T1)
ΔHf (H2O, l) = x2
ΔHf (CO2) = x3
ΔHf (C2H6) = x4
Hence ΔH for the reaction is –

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#Question id: 20183

#XL - P Chemistry

A element M has an atomic mass 19 and atomic number 9. Its ion is represented by

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