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#Question id: 11330


Bio geographers have noted that the tropics have more terrestrial species than temperate regions. Which of the following is NOT a plausible explanation for this pattern?

#Unit 10. Ecological Principles
  1. Environmental heterogeneity 
  2. greater positive interaction 
  3. There is greater land area in the tropic
  4. Greater productivity
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TLS Online TPP Program

#Question id: 28863

#Unit 2. Cellular Organization

Melanophores are cells of the vertebrate skin that contain hundreds of dark melanin-filled pigment granules called melanosomes. Melanophores either have their melanosomes dispersed or aggregated by__

TLS Online TPP Program

#Question id: 32222

#Unit 2. Cellular Organization

Mutations in any of a dozen different peroxins, the most common being Pex1, cause an impairment in peroxisomal protein import, leads to:

TLS Online TPP Program

#Question id: 10127

#Unit 6. System Physiology – Plant

In higher plants, the multi-subunit protein supercomplex has two complete reaction centers and some antenna complexes. The core of the reaction center consists of two membrane proteins known as D1 and D2, Which contained a multi-subunit protein supercomplexes;

TLS Online TPP Program

#Question id: 798

#Unit 1. Molecules and their Interaction Relevant to Biology

Match the structural properties of DNA with the respective types of DNA in which they are found.

               COLUMN – I                                             COLUMN – II

A.        Pitch per turn of helix                                     1. 45.6 angstrom                   

                                                                                      2. 24.6 angstrom                               

 3. 33.2 angstrom

B.        Helix packing diameter                                 1. 23.7 angstrom            

                                                                                     2. 18.4 angstrom            

3. 25.5 angstrom

C.        Major-groove proportions                            1. Flattened out on helix surface

                                                                                      2. Extremely narrow but very deep

 3. Wide and of intermediate depth

D.        Minor-groove proportions                            1. Very broad but shallow

                                                                                     2. Extremely narrow but very deep

                                                                                    3. Narrow and of intermediate depth

TLS Online TPP Program

#Question id: 28819

#Unit 2. Cellular Organization

Which of the following condition is involve to causing muscle relaxation?