Microtubules exist in three forms:

Singlet

Doublet

Triplet

TLS Online TPP Program

#Id: 845

#Unit 2. Cellular Organization

Difference between necrotrophy, biotrophy and hemibiotrophy

TLS Online TPP Program

#Id: 7065

#Unit 3. Fundamental Processes

The addition of the 3’-CCA is catalyzed by the enzyme tRNA nucleotidyltransferase, which functions as a nontemplate-directed RNA polymerase.

TLS Online TPP Program

#Id: 3618

#Unit 3. Fundamental Processes

Minimum degenerated probes can be derived from the minimum degenerating area of any protein.

TLS Online TPP Program

#Id: 2886

#Unit 3. Fundamental Processes

A hexamer of DnaB forms the replication fork. Gyrase and SSB are also required

TLS Online TPP Program

#Id: 7596

#Unit 5. Developmental Biology

Mouse cumulus cells also secrete a substance, CRISP1, that attracts sperm and hyperactivates them through CatSper channels