TLS Online TPP Program

#Question id: 13102


 With the help of DNA fingerprinting which can be used to determine paternity. There are three babies (Baby A, Baby B and Baby C) in a maternity ward, and three sets of confused and worried parents. (Father and Mother #1 are a couple, as are Father and Mother #2, and Father and Mother #3.) 
You do each PCR reaction and load each one into a separate well of an agarose gel, and then run the gel.
 

 Why is it that having more repeats leads to a band that is higher in the gel?

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology
  1. Because they are homozygotes at this region
  2. The more repeats you have, the longer your DNA fragment is, and longer DNA fragments migrate more slowly in gels.
  3. Because they are heterozygotes at this region
  4. The less no. of repeats you have, the longer your DNA fragment is, and longer DNA fragments migrate more slowly in gels.
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TLS Online TPP Program

#Question id: 10774

#Section 6: Plant, Animal and Microbial Biotechnology

Following are a few statements regarding the structure of terpenes:

a) Isopentenyl diphosphate and Dimethyallyl diphosphate are combinely called monoterpene, respectively

b) Isopentenyl diphosphate and Farnesyl diphosphate are Sesquiterpenes and Tetraterpenes

c) Monoterpenes, Sesquiterpenes and Diterpenes have 10, 20  and 30 carbons, respectively

d) Grenyl grenyl diphosphate usually have 20 carbons compound by multiplying with  2X is known as testraterpenes

Which combination of the above statements is correct?

TLS Online TPP Program

#Question id: 10775

#Section 6: Plant, Animal and Microbial Biotechnology

Geranyl diphosphate is a precursor of which plant hormone biosynthesis?

TLS Online TPP Program

#Question id: 10776

#Section 6: Plant, Animal and Microbial Biotechnology

pyrethroids that occur in the leaves and flowers of Chrysanthemum species show very striking insecticidal activity. Pyrethroids are________

TLS Online TPP Program

#Question id: 10777

#Section 6: Plant, Animal and Microbial Biotechnology

Why pyrethroids are synthetically and commercially viable and applicable ?

TLS Online TPP Program

#Question id: 10778

#Section 6: Plant, Animal and Microbial Biotechnology

Essential oils are the mixture of volatile,

TLS Online TPP Program

#Question id: 10780

#Section 6: Plant, Animal and Microbial Biotechnology

which nonvolatile terpene antiherbivore compounds, a group of triterpenes (C30) well known as bitter substances in citrus fruit