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TLS Online TPP Program

#Question id: 7202

Identify the correct match of the modes of regeneration (column I) with their definition (column II)

Column I

Column II

A. Stem cell-mediated regeneration

i. Through the re-patterning of existing tissues. There is often little new growth but rather cell death and a change in cell type (i.e., transdifferentiation into a different cell fate). This results in a rescaling of the whole organism as well as regeneration of the missing part.

B. Epimorphosis

ii. The differentiated cells divide but maintain their differentiated functions. The new cells do not come from stem cells, nor do they come from the dedifferentiation of adult cells.

C. Morphallaxis

iii. Adult structures can undergo dedifferentiation to form a relatively undifferentiated mass of cells (a blastema) that then redifferentiates during morphogenesis of the new

structure.

D. Compensatory regeneration

iv. Stem cells allow an organism to regrow certain organs or tissues that have been lost.

 

#Unit 5. Developmental Biology
  1. A-iv, B-iii, C-i, D-ii
  2. A-ii, B-iii, C-i, D-iv
  3. A-iii, B-iv, C-ii, D-i
  4. A-iv, B-ii, C-i, D-iii
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TLS Online TPP Program

#Question id: 10179

#Unit 6. System Physiology – Plant

A a plant to invest energy in developing multiple cell layers, they are shaped like pillars that stand in parallel columns one to three layers deep. Below the epidermis, the top layers of photosynthetic cells are called
TLS Online TPP Program

#Question id: 4980

#Unit 11. Evolution and Behavior

If an increase in dicynodont species diversity (i.e., number of species) occurred soon after the Permian extinction, and if it occurred for the same general reason usually given for the increase in mammalian diversity following the Cretaceous extinction, then it should be attributed to
TLS Online TPP Program

#Question id: 3471

#Unit 11. Evolution and Behavior

In a altruistic behavior occur between nephew and uncle, which of the following value of cost of donor and benefit of recipient respectively allowed to altruism?
TLS Online TPP Program

#Question id: 7043

#Unit 5. Developmental Biology

During metamorphosis, the disappearance of larval organs is called:
TLS Online TPP Program

#Question id: 19006

#Unit 13. Methods in Biology

Which of the following types of chromatography involves the process, where the mobile phase moves through the stationary phase by the influence of gravity or capillary action?