CBSE - XII - Biology

Biotechnology Chapter 5 Quiz

10 Questions I By Rnreda

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1. Which of the following molecules forms lengths of DNA with "sticky ends"?
2. What is a restriction fragment length polymorphism (RFLP)?
A. A sequence of DNA complementary to a mRNA molecule
B. A variation in length of DNA fragments due to inherited differences in proteins produced
C. A variation in length of DNA fragments due to random differences in proteins produced
D. A variation in length of DNA fragments due to inherited differences in highly repetitive DNA
E. A variation in length of DNA fragments due to random differences in highly repetitive DNA
3. Biotechnology is a completely new process that has only been developed within the last decade.
4. Polymerase chain reactions can be used to recognize an infection before the body has started to make antibodies, through amplification of a selected gene sequence.
5. What is the function of a vector in genetic engineering?
Cut DNA into many fragments
Carry DNA into a new cell
Link together newly joined fragments of DN
Make millions of copies of a specific segment of DNA
Separate fragments of DNA by their length and electrical charges
6. A human product that is being made in genetically engineered microorganisms includes
Tissue plasminogen activator.
7. What is the function of the polymerase chain reaction in genetic engineering?
Link together newly joined fragments of DNA
8. Which statement is true about the Human Genome Project?
9. What is the function of DNA ligase in recombinant technology?
10. What is the function of gel electrophoresis in genetic engineering?
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