A fragment antigen binding (Fab) fragment:

TLS Online TPP Program

#Question id: 57

#Unit 1. Molecules and their Interaction Relevant to Biology

A(n) ________ has charge but negligible mass, whereas a(n) ________ has mass but no charge.

TLS Online TPP Program

#Question id: 13210

#Unit 6. System Physiology – Plant

In Cohesion–Tension Theory, the pressure gradients needed to move water through the xylem could result from

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#Question id: 31234

#Unit 2. Cellular Organization

Failure of which surveillance mechanism is most likely to result in non-dysjunction of chromosomes?

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#Question id: 2830

#Unit 2. Cellular Organization

The NtrC protein from E. coli

a. is a σ54 RNA polymerase.             

b. stimulates transcription of the glnA gene.

c. is activated by a protein kinase called NtrB.

d. binds both to an enhancer site upstream of the glnA gene and to RNA polymerase.

e. has ATPase activity.

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#Question id: 4463

#Unit 3. Fundamental Processes

___?____ is a way to store and mobilize energy during transcription initiation, and its release upon escape is what enables polymerase to break free of the promoter and dislodge s factor from the core.