Practice Questions

TLS Online TPP Program

#Question id: 10133

The PSI reaction center complex is a large multi-subunit complex in which the antenna chlorophylls are associated with the reaction center Components of the PSI reaction center are organized around as follows choose the incorrect one;

#Unit 6. System Physiology – Plant

The core antenna and P700 are bound to two proteins, PsaA and PsaB, with molecular masses in the range of 66 to 70 kDa
PSI reaction center are organized around two major core proteins, PsaA and PsaB. Minor proteins PsaC to PsaN are labeled C to N and then to a chlorophyll molecule (A0) to (A1) Phylloquinone
Electron acceptors include a series of three membrane-associated iron–sulfur proteins, also known as Fe–S centers: FeSX, FeSA, and FeSB, Fe–S center X is part of the P700-binding protein; centers A and B are the part of minor protein C
PSI is a multisubunits contains two of them is D and E, which carry +ve charge towards the lumenal side

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TLS Online TPP Program

#Question id: 11200

#Unit 7. System Physiology – Animal

Action potentials are normally carried in only one direction: from the axon hillock toward the axon terminals. If you experimentally depolarize the middle of the axon to threshold, using an electronic probe, then ________.

TLS Online TPP Program

#Question id: 4679

#Unit 3. Fundamental Processes

Activated RecA stimulates autocleavage of

TLS Online TPP Program

#Question id: 14755

#Unit 6. System Physiology – Plant

Any active transport mechanism that results in the movement of a net electric charge will tend to move the membrane potential away from the value predicted by the Goldman equation. Such a transport mechanism is called

TLS Online TPP Program

#Question id: 31110

#Unit 2. Cellular Organization

To nucleate the assembly of unbranched actin filaments, Arp2/3 requires: