Alkylating agents are electrophilic chemicals which readily add alkyl groups to various positions on nucleic acids. A common example is:

TLS Online TPP Program

#Question id: 4815

#Unit 8. Inheritance Biology

The cross over percentage between linked genes J and M is 20%, J and L is 35%, J and N is 70%, L and K is 15%, M and N 50%. The sequence of genes on the chromosome is

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#Question id: 19806

#Unit 12. Applied Biology

Several approaches have been used to engineer plants for virus resistance, which are as follows:

(1) coat protein gene 

(2) ribozyme-mediated protection

(3) defective viral genome

(4) antisense RNA approach

Which of the following above statements are correct?

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#Question id: 12006

#Unit 10. Ecological Principles

Nitrogen is a major environmental pollutant of groundwater in many parts of the world. What is the major cause of this nitrogen accumulation in groundwater?

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#Question id: 18375

#Unit 12. Applied Biology

What is the function of Siderophores secreted by bacteria

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#Question id: 26908

#Unit 10. Ecological Principles

Many animals obtain their amino acids from the food they eat, though plants contain only small amount of amino acids, which types of animals has the capacity to synthesizes missing amino acids?