Practice Questions

TLS Online TPP Program

#Question id: 11201

Why are action potentials usually conducted in one direction?

#Part-B Specialized Branches in Biotechnology

The nodes of Ranvier conduct potentials in one direction.
The brief refractory period prevents reopening of voltage-gated sodium channels.
The axon hillock has a higher membrane potential than the terminals of the axon.
Voltage-gated channels for both Na+ and K+ open in only one direction.

More Questions

TLS Online TPP Program

#Question id: 21007

#Part-A Aptitude & General Biotechnology

Role of Glucose isomerase enzymes is

TLS Online TPP Program

#Question id: 21008

#Part-B Specialized Branches in Biotechnology

Which of the following statement is correct for defined media?

TLS Online TPP Program

#Question id: 21009

#Part-B Specialized Branches in Biotechnology

Acetobacter aceti converts alcohol to acetic acid according to the stoichiometric relation

C₂H₅OH + O₂ → CH₃COOH + H₂O

In a vigorously agitated and aerated reactor containing 20 g/l ethanol, the organism produces 16 g/l acetic acid and 2 g/l was the residual ethanol concentration. What are the theoretical and observed yields of acetic acid expressed in g/g ethanol?

TLS Online TPP Program

#Question id: 21009

#Part-A Aptitude & General Biotechnology

Acetobacter aceti converts alcohol to acetic acid according to the stoichiometric relation

C₂H₅OH + O₂ → CH₃COOH + H₂O

In a vigorously agitated and aerated reactor containing 20 g/l ethanol, the organism produces 16 g/l acetic acid and 2 g/l was the residual ethanol concentration. What are the theoretical and observed yields of acetic acid expressed in g/g ethanol?

TLS Online TPP Program

#Question id: 21010

#Part-B Specialized Branches in Biotechnology

During a batch culture experiment, the following data was obtained

What will be the product yield (g) per gram of substrate?

TLS Online TPP Program

#Question id: 21011

#Part-B Specialized Branches in Biotechnology

The degree of reduction of ethanol is-