Transcription initiation and termination, both require breaking of hydrogen bonds.

TLS Online TPP Program

#Id: 9635

#Unit 4. Cell Communication and Cell Signaling

Constitutively active Ras proteins (RasD) 

Replacement of the normal glycine 12 with any other amino acid (except proline) blocks the functional binding of GAP proteins and in essence “locks” Ras in the active GTP-bound state.

TLS Online TPP Program

#Id: 2418

#Unit 3. Fundamental Processes

he ability of the enzyme to terminate in vitro, however, is strongly influenced by parameters such as the ionic strength and temperature at which the reaction is performed.

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#Id: 6435

#Unit 8. Inheritance Biology

TLS Online TPP Program

#Id: 6027

#Unit 3. Fundamental Processes

DNA polymerase E is a highly processive enzyme that continuously synthesizes the leading strand. Its processivity results from its interaction with RFC clamp loader and trimeric PCNA processivity clamp

TLS Online TPP Program

#Id: 919

#Unit 13. Methods in Biology

Other dyes that bind to DNA and allow for similar types of cell cycle analysis include DAPI, Hoechst 33342, and 7-aminoactinomycin D (AAD).