Practice Questions

TLS Online TPP Program

#Question id: 3866

Which of the following statements about E. coli RNA polymerase (core enzyme) is false?

#Part-A Aptitude & General Biotechnology

In the absence of the B subunit, core polymerase has little specificity for where initiation begins.
he core enzyme contains several different subunits.
The core enzyme has no polymerizing activity until the  subunit is bound.
The RNA chain grows in a 5' -> 3' direction.

More Questions

#Question id: 11461

#Part-B Specialized Branches in Biotechnology

Elephants hear sounds that are too low for humans to hear. This sensitivity is primarily due to the differences in the ________.

#Question id: 3032

#Part-B Specialized Branches in Biotechnology

Which of these statements about prokaryotes is correct?

#Question id: 872

#Part-B Specialized Branches in Biotechnology

Which of the following statements is not true about HSP 70 family.

A. They have a molecular weight near 70,000 and are abundant in cells stressed by elevated temperature.

B. Bind to regions of unfolded polypeptides that are rich in hydrophilic residues

C. Hsp70 proteins not block the folding of certain proteins that must remain unfolded untill they have been translocated across a membrane.

D.) It releases polypeptides in a cycle that uses energy from ATP hydrolysis.

#Question id: 1540

#Part-A Aptitude & General Biotechnology

Peptidoglycans recognize by

#Question id: 298

#Part-A Aptitude & General Biotechnology

Water molecules contain _____________ hydrogen bond/s.