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: 8880

#Section 3: Genetics, Cellular and Molecular Biology

Active cytoplasmic cyclin B-CDK1 translocates into the nucleus, where it phosphorylates nuclear lamins to cause nuclear envelope breakdown and, together with Plk1 and the Aurora kinases, induces chromosome condensation and formation of the mitotic spindle.

TLS Online TPP Program

#Id: 9263

#Section 2: General Biology

Anammox is anaerobic production of molecular nitrogen from NH4 +and NO2–

TLS Online TPP Program

#Id: 7762

#Section 2: General Biology

In a covalent bond, electrons are shared between atoms. In an ionic bond, electrons are transferred between atoms.

TLS Online TPP Program

#Id: 8111

#Section 2: General Biology

TLS Online TPP Program

#Id: 9284

#Section 2: General Biology

O2‐binding plant protein Lb plays an active role in regulating and delivering O2 in the infected cells

Bacterial respiration is the major O2 sink