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#Question id: 16479


Organotypic cultures are type of cultures which

#SCPH28 | Zoology
  1. Use same lineages of cell
  2. Use different lineages of cells
  3. Different animal tissue cells
  4. All
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TLS Online TPP Program

#Question id: 10900

#SCPH06 I Botany

companion cells in minor veins of mature leaves. All three cell types have dense cytoplasm and abundant mitochondria, there are three types companion cells  present in column A while its characteristics given in column B;

             COLUMN A                                                               COLUMN B

A) Ordinary companion cells             i) appear well suited for taking up solutes via cytoplasmic connections numerous plasmodesmata connecting them to bundle sheath cells. Its having numerous small vacuoles, as well as poorly developed thylakoids.

 

B) Transfer cells                                 ii) have chloroplasts with well-developed thylakoids     and a cell wall with a smooth inner surface. The number of plasmodesmata connecting ordinary companion cells to surrounding cells.

 C) Intermediary cells                          iii) the development of fingerlike wall in growths, particularly on the cell Walls. These wall ingrowths greatly increase the surface area of the transfer cell’s  plasma membrane, few plasmodesmata connect this type of companion cell to any of the surrounding cells except its own sieve element.

Which of the following correct combination;

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#Question id: 4923

#SCPH28 | Zoology

following statement given for Genetic maternal effect are correct?

A- Characteristics are determined by nuclear gene

B- Inherited according to Mendel’s principles

C- In F3 generation, segregation of Dominant trait and recessive trait in ratio of 3:1

D) No Segregation of Trait in F2 generation 

TLS Online TPP Program

#Question id: 8917

#I Life Science/ Life Sciences Group – I-V

The Hox genes came to regulate each of the following in what sequence, from earliest to most recent?
1. identity and position of paired appendages in protostome embryos
2. formation of water channels in sponges
3. anterior-posterior orientation of segments in protostome embryos
4. positioning of tentacles in cnidarians
5. anterior-posterior orientation in vertebrate embryos

TLS Online TPP Program

#Question id: 10777

#SCPH05 I Biotechnology

Why pyrethroids are synthetically and commercially viable and applicable ?

TLS Online TPP Program

#Question id: 294

#SCPH28 | Zoology

Which of the following pairs of amino acids would you predict to only participate in Van der Waals interactions in the three dimensional folding of a protein: