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name aminoacids which contains sulphur?
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Why the 2a group elements are called alkaline earth elements?
What are pentoses? To what organic group do pentoses belong? Are nucleotides formed of only one type of pentose?
Define polar covalent bond?
Aldehydes and ketones characteristically undergo which reactions?
Which element in 1A group is lighter than water?
"Tell me about a job that you found particularly satisfying. What did you like about it?
What are dextrorotary compounds and levi rotary compounds?
Explain what does thermodynamics helps in predicting?
What is zone electrophoresis?
What is markownikoff’s rule?
What are the compounds used for extraction of Gold and Silver?
How can denaturizing be classified regarding its reversibility?
I have given the protocol for the cyclodextrin glygosyl transferase assay: One ml of appropriately diluted enzyme sample was incubated at 60 °C for 15 min with 5 ml of 1% (w/v) gelatinized soluble starch in 50 mM, 7.0-pH Tris–HCl buffer. Reaction was terminated by boiling the reaction mixture for 3 min and reaction volume was made to 10 ml with distilled water. Two ml of above reaction mixture was withdrawn and mixed with 3 ml of Tris–HCl buffer, 5 ml of 125 mM Na2CO3, and 0.5 ml of phenolphthalein (25 mg phenolphthalein/100 ml absolute alcohol). Absorbance was measured at 550 nm. The percent decrease of sample was calculated with respect to control containing 5 ml of buffer, 5 ml of sodium carbonate and 0.5 ml of phenolphthalein. where Acontrol = absorbance of control and Atest = absorbance of sample. The amount of β-cyclodextrin (β-CD) produced was estimated from the standard graph of 0–500 μg/ml β-CD concentration against % decrease in absorbance. One unit of CGTase was defined as the amount of enzyme required to produce 1 μm of β-CD/min. Please can you suggest me the formula for the defination given in the last line
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Do the phosphate and the pentose groups give homogeneity or heterogeneity to the nucleic acid chains? Supported by that which of those groups is expected to participate in the highly diverse and heterogeneous genetic coding, i.e., Which of those groups is the basis of the information for protein production?
