What is secondary metabolism ?
Secondary metabolism is a term for pathways and small molecule products of metabolism that are not absolutely required for the survival of the organism.
It is also called as specialised metabolism.
It also facilitates primary metabolism.
Examples of the products include antibiotics and pigments.
$A$ : Vaccine against $AIDS$ has not been made inspite of repeated attempts.
$R$ : $HIV$ has the ability to get mutated to form several subtypes.
Nicotine acts as a stimulant because it mimics the effect of
Which is useful method to diagnose cancer ?
The harmful allele of sickle cell anemia has not been eliminated from human population. Such afflicted people derive some other benefit. Discuss.
Thalidomide is a non-barbiturate sedative drug which was to be given to pregnant women. Its use was withdrawn in $1961$ because it resulted in phocomelia. This condition illustrates