Protein folding can be followed in the laboratory by measuring which of the following

A) viscosity.

B) electrophoretic mobility and gel filtration.

C) UV absorption and light rotation.

TLS Online TPP Program

#Question id: 33364

#Unit 1. Molecules and their Interaction Relevant to Biology

An antibody binds to an antigen with a Kd of 5 X10^-8 M. At what concentration of antigen will θ be 0.5

TLS Online TPP Program

#Question id: 5242

#Unit 8. Inheritance Biology

Auxotrohic bacteria plating on different medium, it is observed that colonies grow on minimal plus threonine only, no colony on minimal plus leucine and no colonies grow on minimal medium cystein only. What are the actual genotypes of auxotroph?

TLS Online TPP Program

#Question id: 30105

#Unit 1. Molecules and their Interaction Relevant to Biology

Methotrexate is an inhibitor of dihydrofolate reductase. Administration of methotrexate would inhibit:

1. de novo synthesis of UMP.

2. conversion of dUMP to dTMP.

3. conversion of IMP to GMP.

4. de novo synthesis of IMP

TLS Online TPP Program

#Question id: 1773

#Unit 4. Cell Communication and Cell Signaling

How many disulfide bonds are in an antibody?

TLS Online TPP Program

#Question id: 10915

#Unit 6. System Physiology – Plant

Pathways for phloem unloading and short distance transport. The sieve element–companion cell complex (SE–CC) is considered a single functional unit. The presence of plasmodesmata is assumed to provide functional_______Y_______.  An absence of plasmodesmata between cells indicates an______Z________.