A 75-year-old man goes to the hospital emergency department and faints. Five minutes later he is alert. An EKG shows 75 P waves per minute and 35 QRS waves per minute with a normal QRS width. Which of the following is the likely diagnosis?

TLS Online TPP Program

#Question id: 2648

#Unit 2. Cellular Organization

In which microorganism will you find attenuation by alternate loop formation due to ribosomal stalling?

TLS Online TPP Program

#Question id: 2649

#Unit 2. Cellular Organization

Which operon behaves similar to Bacillus subtilis trp operon in terms of attenuation?

TLS Online TPP Program

#Question id: 2650

#Unit 2. Cellular Organization

Lac operon is an example of

TLS Online TPP Program

#Question id: 2651

#Unit 2. Cellular Organization

In the presence of lactose, how long does it take for the lac operon to be expressed?

TLS Online TPP Program

#Question id: 2653

#Unit 2. Cellular Organization

The sequence of the structural genes in the lac operon is

TLS Online TPP Program

#Question id: 2654

#Unit 2. Cellular Organization

Regulation of the lac operon can be envisioned as regulation of enzyme synthesis by its