Related Questions

A point mutation that replaces a purine with another purine, or a pyrimidine with another pyramidine ____________
Substitution of a purine by a purine, of a pyrimidine by a pyrimidine, and of a base-pair by another base-pair which retains the original orientation of the purines and pyrimidines belongs to the class known as
Replacement of purine with another purine base is known as
A ring (E = 0.85) of 8 cm inner and 16 cm outer diameter is placed in a horizontal plane. A small element (E = 0.7) of 1 cm2 is placed concentrically 8 cm vertically below the center of the ring. The temperature of the ring is 800 K and that of small area is 400 K. Find the radiant heat gain by the small ring
The engagement diamond ring of 'N' was stolen by 'T', a thief who sold it to 'J' a jeweller. 'N' filed a suit for recovery of ring against 'J'. 'J' contended that he is ready to pay the price of the ring. Whether the decree for recovery of diamond ring can be refused on the ground that
Consider the following statements.
1. When evaporation takes place, cooling takes place.
2. Evaporation takes place at all temperature, boiling takes place only at the boiling point.
3. Evaporation is a surface phenomenon.
Which of the statements given above is/are true?
The most definite information about cytokinin synthesis concerns the formation of
The first intermediate with a complete purine ring is ____________
Which of the following is not the precursor of a purine ring?
A purine molecule consists of which of the following joined to a pyrimidine ring at positions 4' and 5'?