Download App

Biotechnology: Principles and Processes — BIOLOGY STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceBIOLOGYBiotechnology: Principles and Processes3 Marks
Question
How are the following used in biotechnology?
  1. Plasmid DNA
  2. Recognition sequence
  3. Gel electrophoresis
✓

Answer

  1. Plasmid DNA: It is often used for constructing recombinant DNA, by ligating the gene of interest with it; it is used as the cloning vector.
  1. Recognition sequences: These are the sequences of base pairs in DNA, which a restriction enzyme recognises and cuts the DNA
  2. Gel electrophoresis: It is used to separate the DNA fragments, which separate/ resolve according to their size through the sieving effect of the gel; the DNA is isolated from the gel by the process of elution.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "3 Marks Question" from Biotechnology: Principles and Processes→Biotechnology: Principles and Processes — all question types→BIOLOGY STD 12 Science question papers→Bihar Board STD 12 Science question papers→Bihar Board question paper generator→

Similar questions

Copper ions-releasing IUDs are more efficient than non-medicated methods. Why?
→
Briefly classify the extinction processes.
→
Which one of the two in-situ or ex-situ biodiversity conservation measures help the larger number of species to survive? Explain.
→
Write the three critical research areas of biotechnology.
→
Briefly describe the causative agents, infection and symptoms of the following disease :
(i) Amoebiasis, (ii) Cholera, (iii) Malaria
→
Explain the pyramid of energy in ecosystem. ###What is meant by ecological pyramid? Describe an ideal pyramid of energy with diagram.
→
The sacred groves of Aravalli Hills and Ooty botanical garden, both aim at biodiversity conservation. How do they differ in their approaches? Explain.
→
Define the following :
(i) Immunity (ii) Antigen (iii) Antibody (iv) Toxide (v) Immune system.
→
A person has to perform crosses for the purpose of studying inheritance of a few traits/ characters. What should be the criteria for selecting the organisms?
→
Are parthenocarpy and apomixis different phenomena? Discuss their benefits.
Hint: Yes, they are different. Parthenocarpy leads to development of seedless fruits. Apomixis leads to embryo development. 
→