In cardiolipin, two phosphatidic acids share a single glycerol (R1 and R2 are fatty acyl groups).

TLS Online TPP Program

#Id: 8883

#Section 3: Genetics, Cellular and Molecular Biology

Once mitotic CDKs are activated at the end of G2 , they phosphorylate specific serine residues in all 3 nuclear lamins.

TLS Online TPP Program

#Id: 8397

#Section 3: Genetics, Cellular and Molecular Biology

Z disk 

Thin actin filaments are assembled with their (+) ends embedded in a densely staining structure

TLS Online TPP Program

#Id: 8870

#Section 3: Genetics, Cellular and Molecular Biology

Fission yeast cells carrying a CDK1 mutation in which the tyrosine-15 residue is replaced by phenylalanine

show the same premature mitotic CDK activation and entry into mitosis.

TLS Online TPP Program

#Id: 8318

#Section 3: Genetics, Cellular and Molecular Biology

Nucleation phase 

Two G-actin molecules bind relatively weakly to each other, but addition of a third actin monomer to form a trimer makes the entire group more stable, acts as a nucleus for polymerization.

TLS Online TPP Program

#Id: 9167

#Section 3: Genetics, Cellular and Molecular Biology