Three signals are required for activation of a naïve T cell

TLS Online TPP Program

#Id: 8177

#Section 3: Genetics, Cellular and Molecular Biology

In plant cells,

Golgi apparatus serves as the site at which the complex polysaccharides of the cell wall (pectin & hemicellulose) are synthesized.

TLS Online TPP Program

#Id: 8952

#Section 3: Genetics, Cellular and Molecular Biology

One is unequal crossing over, in which recombination happens between different positions on chromosomes that are misaligned during meiosis. 

Another is replication slippage, in which the DNA polymerase loses its place and copies a segment of chromosome twice.

TLS Online TPP Program

#Id: 8599

#Section 3: Genetics, Cellular and Molecular Biology

Cells commit to a new cell division at a specific point in G1 known as START or the restriction point.

TLS Online TPP Program

#Id: 8103

#Section 2: General Biology

Phosphatidylglycerol, cardiolipin, and phosphatidylinositols all are anionic phospholipids

TLS Online TPP Program

#Id: 10376

#Section 2: General Biology

MHC molecules in mouse