CBSE Class 12 Biology Bio Technology Principles and Processes Cross Word

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BIO TECHNOLOGY PRINCIPLES & PROCESSES

 (CROSS WORD) 
CBSE_CLASS_12_BIOLOGY_PRINCIPLE_14
ACROSS
1 Viruses infecting Bactria
6 Sequence of genes present in the Bacteria to defend againstbacteriophage. There may be more than one restriction sites added to vector depending on the need.
7 The process in which Two sets of Primers are added which bind to the 3’end of each separated strand,Primers act as initiators of replication.
9 Separated band of DNA (gel electrophoresis) are cut out from agar ose gel & extractedfrom the gel piece.
13 It codes for the protein; involved in the replication of the plasmid.
16 Sequences of vector recognised by restriction enzymes
23 Restriction endonuclease
24 Every endonuclease after recognising the palindromic sequence in theDNA, binds to it, cuts the opposite strands of DNA in the sugar-Phosphate backbone, a little away from the centre of the palindrome sites but between the same bases on both stretches at the end of each strand called single stranded overhanging stretches at the end of each strand called
25 Resriction enzymes cut DNA at specific portion within the DNA.
 
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2 Small chemically synthesised oligonucleotides of about 10-18 nucleotides that are complimentary to a region of template DNA.
3 DNA formed by combining DNAs from 2 different organisms
4 Cells are bombarded with high velocity micro particles of gold or tungstencoated with DNA
5 DNA molecules that can carry a foreign DNAA segment & replicate inside the host cell.
8 Restriction nzyme cuts the DNA from the ends.
10 inactivation Due to the addition of alien DNA the coding sequence of an enzyme like a-galactosidaseloose its property of conveting Xgal/ substrate -metabolising to produse blue colour. Its due to inactivation o
11 Restriction endonucleasef the wnzyme galactosidase.
12 Viruses infecting Bactria.
14 Helps to select the host cell which contain the rDNA or plasmid with specfic gene
15 Bacteria which has taken the vector with alien DNA
17 Recombinant DNA is directly injected into the nucleus thro microinjection.
18 Are vessels of large volumes (100-10001itres) in which raw materials are biologically converted into specific products
19 The double stranded DNA is split by applying high temoerature
20 Small chemically synthesised oligonucleotides of about 10-18 nucleotides that are complimentary to a region of template DNA.
21 Hybrid vectors derived from plasmids which contain cos site of phage.
22 in replicating a chromosome there is a specific DNA sequence called...... on which is responsible for initiating replication.
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Free CBSE Study Guides: Class 12 Biology Chapter 09 Biotechnology Principles and Processes

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