Sign up now
to enroll in courses, follow best educators, interact with the community and track your progress.
Biotechnology Important MCQs -I
263 plays

This video include 10 important Previous year NEET questions and answers with explonation

Deepan baskaran
MSC.Phd final year 10 years of Experience in teaching NEET Biology & NTSE. IELTS, DBT Exams Qualified

Unacademy user
plzzzz.....Neet 2018 ka bio ka paper solve krwaaiye ...pllzzzzz
please sir apload more videos
Deepan baskaran
7 months ago
definitely i will post more videos .
  1. Biotechnology Principles & Processes By B.DEEPAN PhD

  2. About myself Name: B.Deepan Qualification : M.Sc. PhD Experience: 10 years of experience Teaching NEET Biology ,NTSE Programme. Exams qualified: DBT exam, IELTS Vision & Mission: To make all my students (including you) as a doctor.

  3. 1.Taq Polymerase enzyme is obtained from 1.Thiobacillus ferroxidans 2.Bacillus subtilis 3.Pseudomonas subtilis 4.Thermus aquaticus

  4. Hot temperature: Thermus aquaticu PCR -MACHINE

  5. Extension of Nucleotides by DNA Polymerase enzyme dNTPs Primer 5 31 5 Template DNA New DNA strand DNA polymerase

  6. 3.DNA fragments generated by the restriction endonucleases in a chemical reaction can be separated by Polymerase chain reaction . Electrophoresis Restriction mapping Centrifugation

  7. Electrophoresis- Instrument Power supply sample wells O electrode direction of movement electrode buffer solution Electrophoresis tank

  8. Gel structure 1 2 3 bp 360 bp 500 400 300 200 232 bp 100

  9. 4.PCR and Restriction Fragment Length Polymorphism are the methods Study of enzyme:s Genetic transformation DNA sequencing . Genetic Fingerprinting for

  10. Sealable Labeled plastic bag probe Filter paper Gel 1A 2The resulting 3 After electro- 4After 9 The fiter paperis To visualize 4 5 6 The filter paper is placed into a plastic bag containing a solution with the single-stranded labeled probe, and the filter paper is probe sticks to complementary fragments by hybrid- ization. (The bands are ive emissions not visible at this stage. fragments are separated by size by gel electrophoresis. restric- tion enzyme is added to a solution contain- ing the DNA of interest. phoresis, the DNA blotting, fragments in the gel are denatured paper is the positions of the bands where the probe hybridized, the the filter and then trans- removed ferred (blotted) onto filter paper. exposed to X-ray film, and either light or radioac- darken the film over each band.

  11. DNA Ligase complementary sticky ends joins backbone (sugar-phosphate) GTTAA G TTAA AATTG Insert DNA Ligase Plasmid

  12. .Agarose is made up of D-Galactose & 3,6- anhydro L-galactopyranose ring. . Agarose gel electrophoresis is a method to separate DNA /RNA according to their molecular size. Power supply O electrode of movement @ electrode buffer solution Electrophoresis tank * Smaller molecules move faster than the larger molecules

  13. 8. There is a restriction endonuclease called EcoRI. What does .co part in it stand for . Colon .Coenzyme Coelom Coli Strain Name 7 Escherichia Coli RY13 two letters of species name First letter of genus name

  14. 9. Bacillus thuringiensis forms protein crystals which contain insecticidal rotein .binds with epithelial cells of midgut of the insect is coded by several genes including the gene is activated by acid pH of the foregut of the insect does not kill the carrier bacterium which is itself pest ultimately killing it. CRY. pest. resistant to this toxin

  15. 10. DNA or RNA segment tagged with a radioactive molecule is called * Vector Probe . Clone . Plasmid

  16. DNA Probe Denatured SSDNA DNA sample DNA probes gene of interest molecular beacon 1 Isolate DNA from 2 Denature DNA sample and combine with 3 DNA probes will bind body fluid sample. DNA probes. Probes are complementary to the gene of interest and labeled with a molecular beacon. to the gene of interest if it is present in the DNA sample.