T Helper Subset Differentiation

TLS Online TPP Program

#Id: 6583

#Unit 7. System Physiology – Animal

During adolescence, Spermatogonia, mature into primary spermatocytes 

TLS Online TPP Program

#Id: 6969

#Unit 8. Inheritance Biology

Aneuploidy

TLS Online TPP Program

#Id: 3350

#Unit 3. Fundamental Processes

Methyltransferase catalyzes the transfer of the methyl group on O6 -methylguanine to a cysteine residue on the enzyme, thereby restoring the normal G in DNA.

TLS Online TPP Program

#Id: 758

#Unit 3. Fundamental Processes

The overall reaction rate for the bacterial RNA polymerase can be as fast as 40–50 nucleotides/second at 37°C for most transcripts; this is about the same as the rate of translation (15 amino acids/sec), but much slower than the rate of DNA replication (800 bp/sec).

TLS Online TPP Program

#Id: 9579

#Unit 11. Evolution and Behavior

Silurian - Origin of jawed fishes and arthropods, Invasion of land by primitive land plants