Tumors are detected only after they have reached 1cm3 in size.

TLS Online TPP Program

#Id: 8386

#Unit 2. Cellular Organization

In the presence of ATP,  myosin head releases from the actin filament. 

TLS Online TPP Program

#Id: 7078

#Unit 3. Fundamental Processes

Selenocysteine is generated enzymatically from serine carried on a special tRNA that is charged by serine-tRNA synthetase. The Sec residues of selenoproteins are thought to participate in redox reactions such as those catalyzed by mammalian glutathione peroxidase and thioredoxin reductase

TLS Online TPP Program

#Id: 5470

#Unit 7. System Physiology – Animal

Synaptic delay is due to the time it takes for the synaptic mediator to be released and to act on the receptors on the membrane of the postsynaptic cell. 

The minimum time for synaptic delay is 0.5 ms

TLS Online TPP Program

#Id: 4609

#Unit 13. Methods in Biology

The 51Cr Release Assay is used to measure Cell death not apoptosis

TLS Online TPP Program

#Id: 570

#Unit 2. Cellular Organization

The lac operator is 21-bp sequence with twofold symmetric and is recognized by two subunits of Lac repressor