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TLS Online TPP Program

#Question id: 11635

Given below, is the result of a complementation test for eight independent mutants (1 to 8).



#Unit 8. Inheritance Biology
  1. two cistrons mutation , 1,3, 4, 6, 7 and 8  represents the one cistron , 2 and 5 represent the second cistron
  2. three cistron mutation will be found  1,3, 4 and 8 represents the one cistron,  6 and 7 represent the second cistron and 2 and 5 represents the third cistron.
  3. the two cistron mutation  1,3,4,6,7 and 8 represent the one cistron while 2 and 5 represent the second cistron in a ordered as  1-3-5-2-4-6-8-7.

  4. All mutations belong to a two cistron, but their order cannot be determined.

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TLS Online TPP Program

#Question id: 11580

#Unit 7. System Physiology – Animal

Melatonin is secreted by the ________.
TLS Online TPP Program

#Question id: 15778

#Unit 5. Developmental Biology

Stem cell regulation is highly influenced by the microenvironment that surrounds a stem cell and is known as the
TLS Online TPP Program

#Question id: 5543

#Unit 5. Developmental Biology

What is the purpose of the chorion in terrestrial vertebrate embryos?
TLS Online TPP Program

#Question id: 27391

#Unit 1. Molecules and their Interaction Relevant to Biology

Choose the correct statement
1.Transfer of electrons is the characteristic of ionic bond 
2.Sharing of electrons is the characteristic of ionic bond
3.Sharing of electron is the characteristics of covalent bond 
4.Transfer of electron is the characteristics of covalent bond
TLS Online TPP Program

#Question id: 12782

#Unit 10. Ecological Principles

The difference between net and gross primary productivity would likely be greatest for