Download App

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

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYBiotechnology: Principles and Processes2 Marks
Question
  1. If a desired gene is identified in an organism for some experiments explain the process of cutting this desired gene at specific location.
  2. Mention the function of stirrer in a bioreactor.
✓

Answer

  1. The process of cutting the desired gene (also called restriction digestion) is carried out by incubating the purified DNA molecules with the specific restriction enzyme at optimal conditions of pH, temperature etc. of the enzyme.
  2. The stirrer facilitates the even mixing and oxygen availability throughout the contents in the reactor.

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 "1.5 Marks Questions" from Biotechnology: Principles and Processes→Biotechnology: Principles and Processes — all question types→BIOLOGY STD 12 Science question papers→Rajasthan Board STD 12 Science question papers→Rajasthan Board question paper generator→

Similar questions

What could have triggered mass extinctions of species in the past?
→
Explain the Zygote Intra Fallopian Transfer (ZIFT) technique. How is Intra Uterine Transfer Technique (IUT) different from it?
→
What is GEAC and what are its objectives?
→
Name the five key tools for accomplishing the tasks of recombinant DNA technology. Also mention the functions of each tool.
→
Restriction enzymes that are used in the construction of recombinant DNA are endonucleases which cut the DNA at ‘specific-recognition sequence’. What would be the disadvantage if they do not cut the DNA at specific-recognition sequence?
→
Mention four salient features of genetic code.
→
In the biosphere immense biological diversity exists at all levels of biological organisation. Explain any two levels of biodiversity.
→
a. Draw a neat diagram of a mature angiospermic embryo sac and label any four cellular components.
b. Write the function of filiform apparatus.
→
Apomixis resembles asexual reproduction, as well as mimics sexual reproduction in plants. Explain with the help of a suitable example.
→
Mention the importance of LH surge during menstrual cycle.
→