Bio Chemistry Interview Questions
Questions Answers Views Company eMail

What is cellobiose what are its important properties?

1 8925

What are the hormones secreted from Crustaceans?

1 1443

What is the use of sephadex in ion exchange chromatography?

1 2767




What are the drawbacks of tissue slices technique?

1011

What is zone electrophoresis?

929

What are angiotensins?

2 2144

What is nanotechnology?

2 3766

which vitamins participate in co-enzyme form in reactions of Tricarboxylic acid cycle?

2 1895




what will happen to amixture of monomeric alpha and beta chains of haemoglobin at neutral ph and at 25 degree centigrade?

1 1419

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

804

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

997

Two children have a neurological disorder. When cells from the two patients were fused to form heterokaryons containing nuclei from both patients and cultured, the cells displayed normal metabolism. Cells from either patient exhibited abnormal metabolism when cultured separately.what does these results indicate?

944

When a forensics laboratory tests evidence collected at the scene of a crime using the "DNA Fingerprinting" technique, what are the technicians comparing?

1 1630

What determines whether a B-cell will respond to an antigen?

1 1603

Why does physical exertion increase symptoms of poisoning by trematol?

1509


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Un-Answered Questions { Bio Chemistry }

What is the structural formula of molybdenum blue?

2277


Two children have a neurological disorder. When cells from the two patients were fused to form heterokaryons containing nuclei from both patients and cultured, the cells displayed normal metabolism. Cells from either patient exhibited abnormal metabolism when cultured separately.what does these results indicate?

944


How is the actual free energy change for a process related to the standard free energy change?

1480


how I cell disease is caused?

1203


Where do hydrophobic and hydrophilic residues usually end up after protein folding?

897






"Tell me about a job that you found particularly satisfying. What did you like about it?

1872


Which vitamins participate, in coenzyme form, in reactions of the tricarboxylic acid cycle?

918


Why is the t-butyloxycarbonyl protecting group such a good choice for amino acid synthesis?

963


Why does physical exertion increase symptoms of poisoning by trematol?

1509


why we use 96 well plate in ELISA plate reader?

1118


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

842


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

804


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

914


What is the difference between Phospholipids and phosphosphingosides?

1923


Describe the structure of a peptide giving the sequence.

714