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TLS Online TPP Program

#Question id: 10777

Why pyrethroids are synthetically and commercially viable and applicable ?

#I Life Science/ Life Sciences Group – I-V
  1. because of their soaplike properties, the presence of both lipid-soluble and watersoluble elements in one molecule
  2. because of their low persistence in the environment and their negligible toxicity to mammals
  3. because it is difficult to extract from plants, where it is covalently bound to cellulose and other polysaccharides of the cell wall
  4. because of their toxicity to humans and their medicinal properties
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TLS Online TPP Program

#Question id: 3534

#SCPH12 I Genetics

Start with a collection of mutants obtained using selections or screens and then characterize their wild functions at the molecular level called ----A------, alternatively, start with a set of specific DNA sequences, mutate them, and observe the phenotypes called --B-----.
TLS Online TPP Program

#Question id: 4141

#SCPH01 Biochemistry

Bacterial ribosomes:
TLS Online TPP Program

#Question id: 365

#SCPH01 Biochemistry

Water is a polar molecule: the oxygen atom with its unshared electrons carries a partial negative charge (δ−) of ___________, and the hydrogen atoms each carry a partial positive charge (δ+) of __________, where e is the charge of the electron.
TLS Online TPP Program

#Question id: 15278

#SCPH06 I Botany

A DNA sample having mass 1 ng undergoes PCR, the eluted DNA is weighted about 1 microgram, the minimum number of cycles required
TLS Online TPP Program

#Question id: 4324

#SCPH01 Biochemistry

The functioning of enhancers is an example of