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Time-of-entry experiments indicate that a gene for resistance to kanamycin, kan-r, is closely linked to a gene for resistance to bacteriophage T5, T5-r. A geneticist has strains of two genotypes available, kan-r T5-s (resistant to kanamycin, sensitive to phage T5) and kan-s T5-r (sensitive to kanamycin, resistant to phage T5). In an experiment using phage P1 to learn whether the genes are close enough for cotransduction, how would the experiment be done:
A) Which strain would you infect with the P1 to obtain the transducing phage?
B) Which strain would you infect with the transducing phage?
C) Which marker would you select to obtain transductants?
D) How would you determine whether the genes were cotransduced?
4.4g of a gas at stp occupies a volume 2.27l. The gas is
20.0 mL of 0.2 M CaCl 2 diluted with water to 100.0 mL. Calculate [CaCl 2 ], [Ca 2+ ] and [Cl - ]. Produce from concentrated hydrochloric acid (12 M) 3.0 L 0.60 M HCl solution.
Leibermann nitro test why we add concentrated acid
Q. What is chlorophyll? A magnesium complex of porphyrin is called chlotophyll. the green colouring material in plants and which is essential for photosynthesis. Hemoglobin
explain the mechanism
Q. What do you mean by Chemical Bonding? Ans. Atoms react chemically by losing, gaining or sharing electrons. Chemical bonds are the attractive forces that hold atoms toge
The quantum number which specifies the location of an electron as well as energy is : (1) Principal quantum number (2) Azimuthal quantum number (3) Spin quantum number
1. Produce a figure with an appropriate figure legend of your SDS-PAGE gel that could be published in a scientific journal. Indicate all relevant information, e.g.origin, f
Solubility - physical characteristics of carbonyl compounds Aldehydes and ketones upto 4 carbon atoms are miscible along with water. This is because of the existence of hydroge
Preparation of alkene
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