The protein kinases DNA-PK, ATM, and ATR are activated at sites of damaged DNA

TLS Online TPP Program

#Id: 9183

#XL - T Zoology

The selection gradient measures the strength of directional selection acting on a quantitative trait.

TLS Online TPP Program

#Id: 8890

#XL - R Botany

Mitotic spindle attach to chromosomes via specialized protein structures known as kinetochores

TLS Online TPP Program

#Id: 10346

#XL - Q Biochemistry

T1 cells are mIgMhi, mIgD -/lo, CD21-, CD23-, CD24+, and CD93+. 

T2 cells differ from T1 cells in having higher levels of mIgD and in expressing CD21 and CD23. 

TLS Online TPP Program

#Id: 5374

#XL - T Zoology

TLS Online TPP Program

#Id: 9098

#XL - T Zoology

Glycogen breakdown and synthesis is coordinately regulated by the second messengers Ca2+ and cAMP, whose levels are regulated by neural and hormonal stimulation, respectively