Binding of Ca2+ ions to TN-C

triggers movement of TM to a new position on the filament, thereby exposing the myosin-binding sites on actin.

TLS Online TPP Program

#Id: 8686

#XL - R Botany

TLS Online TPP Program

#Id: 10384

#XL - Q Biochemistry

Class II MHC transcriptional activator called CIITA and another transcription factor called RFX, have both been shown to activate the promoter of class II MHC genes.

Defects in these transcription factors cause one form of bare lymphocyte syndrome.

TLS Online TPP Program

#Id: 9146

#XL - T Zoology

Effects of different evolutionary forces on allelic frequencies

TLS Online TPP Program

#Id: 8168

#XL - Q Biochemistry

Rab GTPases 

associate with transport vesicles and act as key regulators of vesicle trafficking to and fusion with the appropriate target membrane.

TLS Online TPP Program

#Id: 1812

#XL - T Zoology

Exponential growth

Describes population growth for continuous breeders

Such as bacteria, internal parasites, some insects, or humans, reproduction can be continuous.