how many types of operons are there?
Operons are mainly of 2 types, viz. inducible operon and repressible operon. Each one can again be sub divided into 2 forms e.g. negative system and positive system.
Random Posts
Cell Plasma membrane (0)
What is Cell or Plasma Membrane? Ans. Every cell is enclosed in a fine microscopic living selectivel...what is polytypic species? (0)
A species population which consists of two or more subspecies is known as a polytypic species. It wa...What is a substrate and what do you mean by substrate specificity? (0)
Enzymes are able to bind to other small molecules in the cell because the 3-D shape of the enzyme fi...Allele, Recessive allele, Dominant allele, Back cross (0)
Allele: Alternative form of a single gene in a locus. Recessive Allele: Allele whose phenotypic eff...Bacteria: Short Questions and Answers (Series 2) (0)
* Define bacteria? - One type of aerobic or anaerobic, found to occur in air, in water, in soil, in...Gene frequency and genotypic frequency. (0)
The proportion of one particular type of allele to the total of all alleles at this genetic locus in...Aim and Tasks of a Taxonomist (0)
The primary aim of a taxonomist must be the construction of classes of living things about which sci...Organic Evolution (0)
The term Evooution was first coined by the British Philosopher, Herbert Spencer. According to Darwin...What are Zoogeography realms? (0)
Depending on the likeness of the fauna, the world has been separated into six main faunal regions. T...Density gradient centrifugation (0)
When solution of caesium chloride spins in the ultracentrifuge, the dense caesium chloride spins in ...
