Negative costimulation

TLS Online TPP Program

#Id: 7943

#XL - Q Biochemistry

Classes of ER membrane proteins

TLS Online TPP Program

#Id: 7835

#XL - T Zoology

Aldoses with at least three carbons and ketoses with at least four carbons contain chiral centers

TLS Online TPP Program

#Id: 9263

#XL - Q Biochemistry

Anammox is anaerobic production of molecular nitrogen from NH4 +and NO2–

TLS Online TPP Program

#Id: 9485

#XL - R Botany

Plant pathogens are divided into three groups

Biotrophs derive energy from living cells, they are found on or in living plants, can have very complex nutrient requirements and do not kill host plants rapidly;

Necrotrophs derive energy from killed cells; they invade and kill plant tissue rapidly and then live saprotrophically on the dead remains;

TLS Online TPP Program

#Id: 9380

#XL - T Zoology

Innate behaviour

Reflex - Allow us to move in response to something in the environment.

The reflex which causes us to close our eyes when something flashes towards us, or to withdraw a foot when we step on a sharp object.