Strigolactones, which occur in about 80% of plant species, are a group of terpenoid lactones

TLS Online TPP Program

#Id: 9565

#Unit 11. Evolution and Behavior

Haldane’s rule: Hybrid sterility or hybrid inviability is often limited to the heterogametic sex. 

TLS Online TPP Program

#Id: 7962

#Unit 2. Cellular Organization

Hac1 activates transcription of genes encoding several protein-folding catalysts.

TLS Online TPP Program

#Id: 6681

#Unit 3. Fundamental Processes

Each snRNP contains a single snRNA (100-300 nt) and several (20) proteins. The U4 and U6 snRNPs are usually found together as a di-snRNP (U4/U6) particle.

TLS Online TPP Program

#Id: 2075

#Unit 8. Inheritance Biology

More than two X-chromosome causes Poly-X female and Triplo-X

TLS Online TPP Program

#Id: 5026

#Unit 3. Fundamental Processes

The rate of bacterial growth is assessed by the doubling time, the period required for the number of cells to double.

The shorter the doubling time, the faster the bacteria are growing.

Escherichia coli growth rates can range from doubling times as fast as 18 minutes to slower than 180 minutes.