The length of one complete spiral of DNA is:

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
• The structure of DNA like a spiral ladder because
• 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 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 ?
• Spiral developement of tendrils? (BHU 1989, CBSE 1999, 1995), (MPPMT 1992, CPMT 1993) ( CETCHO 2000,AIIMS 2000) (JK CMEE 2004)