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TLS Online TPP Program

#Question id: 5430

A plant height in Maize is control by 3 pair of polygene .Two varieties of maize averaging 120 and 60 inches in height, respectively, are crossed. The F1 progeny is quite uniform averaging 40 inches in height. What is proportional of F2 progeny that is display phenotype either 120 cm or 60 cm height?

#Part-A Aptitude & General Biotechnology

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TLS Online TPP Program

#Question id: 12719

#Part-B Specialized Branches in Biotechnology

Which of the following is a key enzyme in the proline biosynthetic pathway?
TLS Online TPP Program

#Question id: 12722

#Part-B Specialized Branches in Biotechnology

Eleven amino-acid consensus sequence motif TAQAAKEKAXE is repeated in the protein,  is the structural characteristics of which type of group of LEA protein?
TLS Online TPP Program

#Question id: 12723

#Part-B Specialized Branches in Biotechnology

GroEL, GroES is an example of the  prokaryotic cell, this HSP protein is belong to the which of the following HSP class?
TLS Online TPP Program

#Question id: 12724

#Part-B Specialized Branches in Biotechnology

In response to sudden, 5 to 10°C rises in temperature, plants produce a unique set of proteins referred to as heat shock proteins (HSPs). There are five classes of heat shock proteins found in plants such as;

       HSP class

 Examples (Arabidopsis / prokaryotic)

      Cellular location

 

I) HSP100

 

 

a) AtTCP-1 / GroEL, GroES

 

i) Cytosol

 

II) HSP90

 

 

b) Various AtHSP22, AtHSP20, AtHSP18.2, AtHSP17.6 / IBPA/B

 

ii) mitochondria

 

III) HSP70

 

 

c) AtHSP101 / ClpB, ClpA/C

 

iii) chloroplasts

 

IV) HSP60

 

 

d) AtHSP70 / DnaK

 

iv) endoplasmic reticulum

 

V) smHSP

 

 

e) AtHSP90 / HtpG

 

Match the following HSPs   with their correct location and the examples of the HSPs;
TLS Online TPP Program

#Question id: 12727

#Part-A Aptitude & General Biotechnology

Name the form of DNA which may be produced with a DNA sequence made up from alternating purine and pyrimidine nucleotides.
TLS Online TPP Program

#Question id: 12755

#Part-B Specialized Branches in Biotechnology

Which of the following statements best describes why biologists are currently concerned with global warming and the thawing of permafrost in many areas of the tundra biome?