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TLS Online TPP Program

#Question id: 18845

The action of EDTA in EDTA-lysozyme treatment in bacterial DNA extraction is

#Unit 13. Methods in Biology
  1. removes Mg+ ions essential for maintenance of bacterial cell wall structure 
  2. inhibits degradation of DNA by cellular enzymes 
  3. removes outer lipopolysaccharide layer of Gram negative bacteria 
  4. all of these
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TLS Online TPP Program

#Question id: 11261

#Unit 10. Ecological Principles

Which of the following kinds of social interactions cannot be favoured by natural selection under any circumstance?
TLS Online TPP Program

#Question id: 12941

#Unit 13. Methods in Biology

Name the therapeutic protein which has been used to successfully treat certain types of breast cancer.
TLS Online TPP Program

#Question id: 32269

#Unit 2. Cellular Organization

Which of the following protein does not belongs to the small monomeric GTPase super family?
TLS Online TPP Program

#Question id: 4127

#Unit 3. Fundamental Processes

Which one of the following statements about ribosomes is true?
TLS Online TPP Program

#Question id: 6633

#General Aptitude

If P = ÷ , T = +, M = - , D = × , then what will be the value of the expression 12 M 12 D 28 P 7 T 15 ?