how many types of operons are there?
Operons are mainly of 2 types, viz. inducible operon and repressible operon. Each one can again subdivided into 2 forms e.g. negative system and positive system.
Random Posts
Cancer derive from a single Abnormal Cell (0)
It is fact that one transformed cell is enough to produce a cancer, i.e., the cancerous cells are in...Locomotion in Amoeba (0)
Introduction: Amoeba is the most popular, free-living available protozoan. It is commonly found on ...Phoresy, Parasitoid definitions (0)
Phoresy: A relationship between host and commensal involving only passive attachment of the commensa...What is DNA-helicase? (0)
The unwinding process of two strands of DNA is catalyzed by enzymes called DNA helicases. The major ...Lethal mutations (0)
Mutations that interfere with necessary vital functions are called lethal mutations. Their phenotypi...
The word taxonomy is derived from the Greek words taxis (= arrangement) and numos (=law). It was fir...
What do you mean by the 'Power House of the Cell? What is Ultra structure? Ans. Mitochondria are kno...
The term is used to describe the growth and accumulation of living organisms on the surfaces of subm...
1. What do you mean by meiosis? Ans. Meiosis is a special type of cell division involving a diminuti...Similarities between Neotropical and Ehiopian region (0)
Neotropical region Ethiopian region Climate: 1. has extensivd evergreen forest.2. has South Te...
