#Question id: 2859
#Unit 2. Cellular Organization
NtrC controls expression of genes involved in nitrogen metabolism by inducing a conformational change in a pre-bound RNA polymerase, triggering transition to the open complex.
I. Under low nitrogen level condition, NtrC is phosphorylated by a kinase, NtrB,
II. NtrC (bound to its sites upstream) interacts directly with s54. This requires that the DNA between the activator binding sites and the promoter form a loop to accommodate the interaction
III. Active NtrC binds four sites located approximately 150 bp upstream of the glnA gene.
IV. NtrC itself has an ATPase activity which provides the energy needed to induce a conformational change in polymerase.
Correct series of Activation by NtrC is;
#Question id: 28183
#Unit 5. Developmental Biology
Dreisch conclude that if separate 4 cells than each cells has the capacity to develop a normal larvae, the mode of specification is known as___
#Question id: 3015
#Unit 2. Cellular Organization
All the bacterial cells that result from the replication of a single original bacterial organism are said to be a
#Question id: 26985
#Unit 10. Ecological Principles
#Question id: 753
#Unit 1. Molecules and their Interaction Relevant to Biology
The renaturation of regions of complementarity between different nucleic acid strands is known as___________