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Bio Chemistry Interview Questions
Questions Answers Views Company eMail

How does molecular exclusion chromatography work?

1 4972

What types of things happen to proteins during posttranslational processing (hydroxylation, etc.)?

1 3302

How can one use the pH and the pKa to determine the acid-base form of a compound?

1 3410

How are free energy changes related to enthalpy changes and entropy changes?

2003

What types of molecules form bilayers?

1 3827

What are the various types of noncovalent attractive forces?

2 4917

Why are right-handed helices more stable than left-handed helices?

2586

How can peptide bonds be made from amino acids without activating the amino acids first?

1 3286

What kinds of compounds are water soluble? Why?

2 4560

How are reaction rates dependent upon free energy changes?

2337

What role do disulfide bonds play in protein folding, and in protein stability?

1 4609

What are the structural and stability consequences of electron delocalization in amides (peptide bonds)?

1 3788

What types of proteins contain disulfide bonds?

4 7513

What functional group is hydrolyzed in the hydrolysis of ATP to ADP and Pi?

1 3760

What factors cause the hydrolysis of ATP so exergonic?

1 3361


Post New Bio Chemistry Questions

Un-Answered Questions { Bio Chemistry }

In double bond, how many sigma and Pi bonds are present in it?

1073


Who were james watson, francis crik and maurice wilkins?

1221


All technical,written test questions

1766


How the production of rna called?

1184


How does a random coil differ from an irregularly structured region?

2208


What are respectively some remarkable functions of immunoglobulin?

1090


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 Two ml of above reaction mixture was withdrawn and mixed with 3 ml of Tris–HCl buffer, 5 ml of 125 mM Na2CO3, and 0.5 ml of phenolphthalein (25 mg phenolphthalein/100 ml absolute alcohol).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

2236


How does hplc differ from normal column chromatography, and what are its advantages?

2184


What is chemical formula for borax?

1069


What are respectively some remarkable functions of reverse transcriptase?

1055


Covalent bond is directional therefore which covalent property is shown?

1062


Explain what is the name of the dna duplication process? What is the main enzyme that participates in it?

1143


What are the drawbacks of tissue slices technique?

2126


What is the molecular formula, structure, and bond angle of phosphorous?

1030


Which is the most Abundant Alkaline earth element?

1079