#Question id: 30120
#Unit 1. Molecules and their Interaction Relevant to Biology
#Question id: 2252
#Unit 2. Cellular Organization
The generation and maintenance of a membrane electric potential requires which of the following:
a. active pumping of ions
b. ion-specific membrane channel proteins
c. ATP
d. a generally permeable membrane
#Question id: 2601
#Unit 2. Cellular Organization
Condition of basal level transcription (BLT);
#Question id: 1740
#Unit 4. Cell Communication and Cell Signaling
Activation of resting B-cells by T-helper cells depends directly upon costimulatory interaction between:
#Question id: 1693
#Unit 4. Cell Communication and Cell Signaling
The processing of cytosolic protein involves: