Bio Chemistry Interview Questions
Questions Answers Views Company eMail

what is the aminoacid sequence of bradykinin?

Aurobindo,

1 4475

what is the structure of colip's hormone?

Ritesh Biological Labs,

1 3155

hormones from echinodermata?

Aurobindo,

1 4817




which is known as antidermatitis factor?

Biocon,

2 3781

what are the two mixed triglycerides?

Reddy Labs,

1 3415

what are heteropolysacharides?

Aurobindo,

1 3811

what is the test which is specific for tyrosine?

Reddy Labs,

3 6624

which is called as mouse antilopecia factor?

1 2379




which is antiegg injury factor?

Manoj Pharma Ltd,

1 3657

what is the difference between MUFA and PUFA?

Matrix,

5 43985

what is the chemical formula for cholesterol?

Matrix,

3 7548

what are the two cellulose derivatives used for protein purification?

Reddy Labs,

2 3339

how waxes can be prepared?

Matrix,

1 1939

what is lobry debrugn alberda van ekenstein transformation?

Matrix,

1 2530

what is the chemistry of cellulose?

Biological.e.limited,

1 3135


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Un-Answered Questions { Bio Chemistry }

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 Two ml of above reaction mixture was withdrawn and mixed with 3 ml of Tris–HCl buffer, 5 ml of 125 mM Na2CO3, and 0.5 ml of phenolphthalein (25 mg phenolphthalein/100 ml absolute alcohol).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

974


Which organ and subcellular site are most important for fatty acid biosynthesis?

1048


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

1311


mutarotation is observed when phenol and pyridine both are present but phenol or pyridine alone cannot show mutarotation-explain why?

3024


What is zone electrophoresis?

977






which fat soluble vitamin has co-enzymic function?

827


ano po ba ang bermuda triangle? ano po ang nandito? meron po bang mga naitala na aksidente sa gawing ito? ano po ang scientific question nito?

3850


During a heart attack, blood flowing to the heart muscle is interrupted by blockage of a coronary artery. How would you expect the metabolism in the heart to change?

1797


How are free energy, equilibrium and spontaneity related to each other?

1022


Calculate the molar extinction coefficient of a solution containing 5 *10-4 g litre-1 of a biomolecule, molecular weight 275 g mol-1, and absorbance 0.75 in a 1.2 cm cuvette.

2020


How are reaction rates dependent upon free energy changes?

1079


How do hydrophobic and hydrophilic residues arrange themselves in globular proteins?

962


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

1001


Hi, I am venkat. I am done with M.Sc Medical Biochemistry in the year 2007. I got rejected 3 times at US consulate, and the reason they say is why are you going agian for PG when you have already done PG, and they are not ready to get convinced only on this issue.

1000


How are free energy changes related to LeChatelier's Principle?

851