F⁺ Present as separate circular plasmid

F⁻ Absent

Hfr Present, integrated into bacterial chromosome

F′ Present as separate circular plasmid, carrying some bacterial genes

TLS Online TPP Program

#Id: 6706

#Unit 3. Fundamental Processes

There are two classes of snoRNPs involved in rRNA processing in nucleolus.  The box H/ACA snoRNPs are involved in pseudouridylylation, and box C/D snoRNPs function in 2-O-methylations.

TLS Online TPP Program

#Id: 5071

#Unit 6. System Physiology – Plant

Auxin was the first growth hormone to be discovered in plants.

TLS Online TPP Program

#Id: 10414

#Unit 4. Cell Communication and Cell Signaling

Growth factors that stimulate angiogenesis:

Basic fibroblast growth factor, TGF-α, and VEGF

TLS Online TPP Program

#Id: 821

#Unit 4. Cell Communication and Cell Signaling

PRR‐triggered immunity (PTI) of plant cells places selective pressures on potentially pathogenic species to suppress effector response.

TLS Online TPP Program

#Id: 1425

#Unit 4. Cell Communication and Cell Signaling

Several integrin α subunits contain, I-domain, which can mediate binding of integrins to various collagens in the ECM.