The following statements were made regarding the patterning of anterior-posterior body plan of Drosophila:

A. Mutant Nanos mRNA that leads to the deletion of abdomen region

B. Nanos mutant phenotype expressed  two head phenotype

C. Nanos is a posterior morphogenic protein

D. It involves to represses the caudal mRNA

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#Question id: 23217

#Unit 13. Methods in Biology

What are the advantages of using Scanned probe microscope?

1. Do not modifies the specimen

2. It modifies the specimen

3. No exposure to high energy radiation

4. Exposure to high energy radiation

Which of the following options is incorrect?

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#Question id: 773

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following describes the function of an enzyme known as Dicer?

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#Question id: 13183

#Unit 10. Ecological Principles

The MacArthur-Wilson equilibrium model of island biogeography predicts the number of species found on islands. The figure below depicts two volcanic islands located off a section of mainland coast.

According to the MacArthur-Wilson model, how would the number of bird species change from the time of an island's formation (assuming it remains constant in size and isolation)?

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#Question id: 12197

#Unit 6. System Physiology – Plant

The following are certain facts regarding Auxin transport  in plants;

a) Auxin transport is polarly has been proposed through Chemiosmotic Model

b) Auxin translocation in the phloem is largely passive, not requiring energy directly

c) Polar transport requires energy and is gravity dependent

d) Auxin is transported nonpolarly in the Phloem

Which one of the following combination of the above statements is correct? 

TLS Online TPP Program

#Question id: 22953

#Unit 5. Developmental Biology

The MADS box gene form tetramers that bind to