Ornithine and citrulline, which are not found in proteins, are intermediates in the biosynthesis of arginine and in the urea cycle.

TLS Online TPP Program

#Id: 7331

#Section 3: Genetics, Cellular and Molecular Biology

Assumptions—If a population is large, randomly mating, and not affected by  mutation, migration, or natural selection.

Prediction 1 —The allelic frequencies of a population do not change

Prediction 2- The genotypic frequencies stabilize after one  generation in the proportions p2, 2pq, and q2.

TLS Online TPP Program

#Id: 7832

#Section 2: General Biology

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: 8225

#Section 3: Genetics, Cellular and Molecular Biology

Hurler’s disease- mutation in a structural gene that codes for an individual lysosomal hydrolase.

TLS Online TPP Program

#Id: 8125

#Section 2: General Biology

Steroids derived from cholesterol.