Cytogenetics Ribosome Ribozyme Online Exam Quiz
Cytogenetics Ribosome Ribozyme GK Quiz. Question and Answers related to Cytogenetics Ribosome Ribozyme. MCQ (Multiple Choice Questions with answers about Cytogenetics Ribosome Ribozyme
In an experiment you grow some cells in a media containing heavy isotopes of C and N. Then you transfer then to a lighter media. If you centrifuge the ribosomes so obtained after an hour how many bands will you expect?
Options
A : 1
B : 2
C : 3
D : 4
What discovery was stated by Robert Traut and Munro experiment?
Options
A : 30S subunit is binding to IF
B : 50S subunit has peptidy transferase activity
C : rRNA has peptifyl transfer activity
D : Urea prevents peptide bond formation
How many proteins were still intact after the treatment of ribosome with SDS and proteinase K?
Options
A : 4
B : 8
C : 12
D : 16
Aminoglycosides can kill_______________
Options
A : Broad spectrum of prokaryotes
B : Only gram positive bacteria
C : Only anerobic gram positive bacteria
D : Only aerobic gram negative bacteria
In evolutionary history which of the following rose 1st?
Options
A : DNA
B : RNA
C : Protein
D : Oxygenic mode of respiration
In an experiment you stall the ribosome with low Mg2+ concentration. Which of the following will then cause the release of the Peptide from the ribosome?
Options
A : Increasing the Mg2+ concentration
B : Adding Urea
C : Adding pyromycin
D : Adding Varomycin
What is the distance between the catalytic site and the nearest protein in the ribosome?
Options
A : No distance
B : 10 angestron
C : 50 angestron
D : 100 angestron
Which of the following was not a protein degrading agent used by Noller in his experiment?
Options
A : Phenol
B : SDS
C : Urea
D : Proteinase K
You gradually treat ribosome with SDS followed by Proteinase K and the finally extract it with phenol. Which of the options match the result you expect?
Options
A : Ribosome withstands all these treatments and still has peptidyl transferase activity
B : It stands upto SDS treatment
C : It stands no treatment at all
D : It stands upto proteinase K treatment
Tetracyclin is only harmful to prokaryotes.
Options
A : True
B : False
C :
D :
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