Home › NEET UG › Biology › Biotechnology Applications › To isolate DNA from bacterial cells, the cell wa…
To isolate DNA from bacterial cells, the cell wall is digested by:
ALysozyme
BTrypsin
CChitinase
DCellulase
Answer & Solution
Correct answer: A. Lysozyme
**Cell-wall digesting enzymes**: **Lysozyme** for bacteria, **cellulase** for plants, **chitinase** for fungi. After cell lysis, **proteins → protease**; **RNA → ribonuclease**. Finally, DNA precipitates with **chilled ethanol** as a spool of fine threads.
Related questions
ELISA works on the principle of interaction between antigen and:Adenosine deaminase is crucial for the functioning of the:That girl suffered a deficiency of:The first gene therapy patient was a girl aged:The first clinical gene therapy was given in the year:The insulin chains were produced in plasmids of:In which year was that done?Which company prepared the DNA sequences for human insulin?