Ten E.coli cells with 15N - dsDNA are incubated in medium containing 14N nucleotide. After 60 minutes, how many E.coli cells will have DNA totally free from 15N?
The recombination frequency between the genes a & c 5&, b & c is 15%, b & d is 9%, a & b is 20%, c & d is 25% and a & d is 29%. What will be the sequence of these genes on a linear chromosome?
Which of the following are not the effects of Parathyroid hormone?
(a) Stimulates the process of bone resorption(b) Decreases Ca2+ level in blood
(c) Reabsorption of Ca2+ by renal tubules
(d) Decreases the absorption of Ca2+ from digested food
(e) Increases metabolism of carbohydrates
Choose the most appropriate answer from the options given below:
Which of the following is not a desirable feature of a cloning vector?
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