Practice Questions

TLS Online TPP Program

#Question id: 11264

Prokaryotic ribosomes differ from those present in eukaryotic cytosol. Because of this, which of the following is correct?

#Unit 9. Diversity of Life Forms

Some selective antibiotics can block protein synthesis of bacteria without effects on protein synthesis in the eukaryotic host.
Eukaryotes did not evolve from prokaryotes.
Translation can occur at the same time as transcription in eukaryotes but not in prokaryotes.
Some antibiotics can block the synthesis of peptidoglycan in the walls of bacteria

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TLS Online TPP Program

#Question id: 4470

#Unit 3. Fundamental Processes

Most recent experiments suggest that the last of these is at least an important part of the story and that the conformational change causes the elongating complex to stall, with dissociation following more slowly- this conformational change caused by,

TLS Online TPP Program

#Question id: 5718

#Unit 8. Inheritance Biology

aneuploids may arise through nondisjunction, the failure of homologous chromosomes or sister chromatids to separate in meiosis. which of following the incorrect about nondisjuction ?

TLS Online TPP Program

#Question id: 19307

#Unit 12. Applied Biology

Use of constitutive promoters to produce transgenic plants offers certain advantages.

(1) They can be used to drive reporter genes

(2) They are essential in proteins that are required in all tissues

(3) They are useful in driving transcription factors that are involved in transcription regulation

Mark the option with all correct statements?

TLS Online TPP Program

#Question id: 3863

#Unit 3. Fundamental Processes

Introns in nuclear pre-mRNAs are excised by: