TLS Online TPP Program

#Id: 8104

#XL - Q Biochemistry

The venoms of poisonous snakes contain (among other things) a class of enzymes known as phospholipases, enzymes that cause the breakdown of phospholipids

TLS Online TPP Program

#Id: 10802

#XL - R Botany

Saponins are steroid and triterpene glycosides, it has soap like properties.  

The toxicity of saponins is thought to be a result of their ability to form complexes with sterols. Saponins may interfere with sterol uptake from the digestive system or disrupt cell membranes after being absorbed into the bloodstream.

TLS Online TPP Program

#Id: 9397

#XL - T Zoology

Operant conditioning ‐ Animal learn to associate a behavior with its consequence

TLS Online TPP Program

#Id: 9847

#XL - R Botany

cry1 and cry2 are generally found in the nucleus, cry3 is localized to chloroplasts and mitochondria

TLS Online TPP Program

#Id: 9821

#XL - R Botany

A brief pulse of red light will induce a response, provided that the light is sufficiently bright, and conversely, very dim light will work if the irradiation time is long enough. 

This reciprocal relationship between fluence rate and time is known as the law of reciprocity