Cell division in the root apex proper is relatively slow; thus, this region is called the quiescent center

TLS Online TPP Program

#Id: 8051

#XL - Q Biochemistry

TLS Online TPP Program

#Id: 7924

#XL - Q Biochemistry

Cardiolipin

an unusual “double” phospholipid containing four fatty acid chains

found primarily in the inner mitochondrial membrane

acts to improve the efficiency of oxidative phosphorylation, by restricting proton flow across the membrane

TLS Online TPP Program

#Id: 9934

#XL - T Zoology

Cell wall endotoxins of some gram-negative bacteria activate macrophages, resulting in release of high levels of IL-1 and TNF-α, which can cause septic shock.

TLS Online TPP Program

#Id: 9922

#XL - T Zoology

IFN-ϒ acts directly by inducing an antiviral state in nearby cells.

IL-2 acts indirectly by assisting the development of cytotoxic T lymphocyte(CTL) precursors into an effector population.

Both IL-2 and IFN-ϒ activate NK cells.

TLS Online TPP Program

#Id: 9285

#XL - S Microbiology

O2‐sensitive hemoprotein kinase FixL controls a regulatory cascade that activates transcription of nitrogen fixation genes