TLS Online TPP Program

#Question id: 39299


Q. Hygromycin resistance was introduced in:

#Plant Biotechnology
  1. B. napus spp.
  2. B. nigra + B. napus
  3. B. napus + Eruca sativa
  4. N. tabacum + N. sylvestris
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TLS Online TPP Program

#Question id: 38769

#Plant Biotechnology

Q. Statement I: During the washing step, PEG may remove plasma membrane components bound to it.
Statement II: Removal of these components can destabilize membrane integrity and promote fusion of adjacent protoplasts.

TLS Online TPP Program

#Question id: 38770

#Plant Biotechnology

Q. Statement I: PEG-induced fusion is a consequence of controlled membrane damage and reorganization.
Statement II: Plasma membrane destabilization increases the likelihood of fusion between closely placed protoplasts.

TLS Online TPP Program

#Question id: 38771

#Plant Biotechnology

Q. Statement I: PEG can interact with both negatively and positively charged components of the plasma membrane.
Statement II: Such interactions reduce electrostatic repulsion between protoplasts.

TLS Online TPP Program

#Question id: 38772

#Plant Biotechnology

Q. Statement I: Protoplasts are isolated by enzymatic digestion of the cell wall using a combination of cellulase and pectinase.
Statement II: Cellulose microfibrils and pectic substances are major structural components of plant cell walls.

TLS Online TPP Program

#Question id: 38773

#Plant Biotechnology

Q.Statement I: The pH of the enzyme solution for protoplast isolation is maintained between 4.7 and 8.0.
Statement II: Enzymes involved in cell wall degradation show activity only at neutral pH.

TLS Online TPP Program

#Question id: 38774

#Plant Biotechnology

Q. Statement I: Protoplast isolation is usually carried out at a temperature range of 25–30°C.

Statement II: This temperature range supports optimal enzyme activity and maintains protoplast viability.