Advertisements
Advertisements
Question
What background information did Watson and Crick had available with them for developing a model of DNA? What was their own contribution?
Advertisements
Solution
Wastson and Crick had the following informations which helped them to develop a model of DNA.
- Chargaffs’ Law suggesting A = T, and C = G.
- Wilkins and Rosalind Franklin’s work on DNA crystal’s X-ray diffraction studies about DNA’s physical structure.
- Watson and crick proposed
- How complementary bases may pair
- Semi-conservative replication and
- Mutation through tautomerism
APPEARS IN
RELATED QUESTIONS
Explain replication of bacteriophage with the help of a suitable diagram.
Very Short Answer Question:
Why are Okazaki fragments formed on lagging strand only?
What is the function of SSBP?
a) Identify the figure given below
b) Redraw the structure as a replicating fork and label the parts
c) Write the source of energy for this replication and name the enzyme involved in this process.
d) Mention the differences in the synthesis of protein, based on the polarity of the two template strands.
DNA replication begins at specific sites situated on the molecule. Such sites are called ____________.
Complementary strands of DNA molecule are (i) and bound by (ii).
Which of the following technique was used by Meselson and Stahl to demonstrate the semiconservative mode of DNA replication?
Enzyme ______ brings about the DNA unwinding by breaking weak hydrogen bonds in the vicinity of origin.
Which of the following is present at the sticky ends of a fragmented DNA molecule?
______ carbon atoms of successive nucleotides of nucleic acid are linked by Phospho-diester bond.
In a segment of DNA with 10 base pairs, the numbers of sugar molecules are _________.
In DNA molecule, pairing between two complementary nucleotides takes place by ________ bonds.
Which of the following statement is incorrect?
During replication of DNA Okazaki fragments are formed in the direction:
In viral DNA, how many origins of replication is/are present?
Select the incorrect statement regarding DNA replication.
In prokaryotes, the primers of lagging strands are removed by ______.
In semi-conservative DNA replication, each daughter DNA molecule contains:
What is the primary reason DNA replication must be highly accurate during the S-phase?
