Which amino acid is ideal for the transfer of protons within the catalytic site of enzymes due to the presence of significant amounts of both the protonated and deprotonated forms of its side chain at biological pH?

TLS Online TPP Program

#Question id: 27972

#Unit 1. Molecules and their Interaction Relevant to Biology

This is the order of electron transfer in complex-I NADH - FMN - Fe-S – Q to Prevent electron transfer from Fe-S center to ubiquinone 

a. Myxothiazol

b. Rotenone

c. Amytal

d. Piericidin A

Which of the following can be used

TLS Online TPP Program

#Question id: 28491

#Unit 5. Developmental Biology

A major active factor in the Progressive zone is___

TLS Online TPP Program

#Question id: 19707

#Unit 13. Methods in Biology

Currents caused by opening of which of the following channels contribute to the repolarization phase of the action potential ofventricular muscle fibers?

TLS Online TPP Program

#Question id: 28608

#Unit 2. Cellular Organization

INK4 is__

a) Protooncogenes

b) Tumour suppressor gene

c) Undergo loss of function causes cancer

d) Undergo gain of function causes cancer

TLS Online TPP Program

#Question id: 2151

#Unit 2. Cellular Organization

Which of the following statement(s) is (are) true of transmembrane proteins?

a. All contain a hydrophobic α helix.

b. Some serve as membrane attachment sites for peripheral membrane proteins.

c. Some contain more than one membrane-spanning domain.

d. All are asymmetrically oriented in the lipid bilayer.