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Related MCQs

• Select the correct answer / answers from the following 1. Ligase :- Joins short segments of DNA together 2. DNA Polymerase :- cuts DNA at specific sequence 3. Helicase :- Breaks the hydrogen bonds between complementary pairs during DNA replication 4. Gyrase : - Joins weak hydrogen bonds between complementary pairs
• Select the correct option from Column-I and Column-II. Column-I Column-II (A) G1 phase (p) Synthesis of new DNA (B) G2 phase (q) Synthesis of DNA does not occur (C) S phase (r) DNA synthesis stops
• There are two opposing views about origin of modern man, According to the view ho*mo erectus in Asia were the ancestors of modern man. A study of variation of DNA however suggested African origin of modern man. What kind of observation on DNA variation could suggest this ?
• Which is the part of DNA molecules that varies among DNA molecule
• Which technology facilitates the production of novel DNA molecule by combining sequences from DNA from two different organisms ?
• Extra chromosomal small cirular double stranded DNA molecule in a bacterial cell is stranded DNA molecule in bacterial cell is
• These are important set of enzymes used in biotechnology Match them with exact role P Taq DNa Polymerase (i) cutting single stranded part of DNA Q S I nuclease (ii) Ligase R Restriction endo nuclease (iii) Thermostable enzyme S mole cular glue (iv) cutting pallindromic sequences (v) union of pallindromic sequences P Q R S
• Bacteria possess small DNA other than circular DNA which is called as...
• There are special proteins that help to open up DNA double helix in front of the reaplication work . these proteins are........
• Which are the structural units of DNA?