Bio Chemistry Interview Questions
Questions Answers Views Company eMail

what is the aminoacid sequence of bradykinin?

Aurobindo,

1 4352

what is the structure of colip's hormone?

Ritesh Biological Labs,

1 3067

hormones from echinodermata?

Aurobindo,

1 4651




which is known as antidermatitis factor?

Biocon,

2 3708

what are the two mixed triglycerides?

Reddy Labs,

1 3321

what are heteropolysacharides?

Aurobindo,

1 3722

what is the test which is specific for tyrosine?

Reddy Labs,

3 6530

which is called as mouse antilopecia factor?

1 2294




which is antiegg injury factor?

Manoj Pharma Ltd,

1 3589

what is the difference between MUFA and PUFA?

Matrix,

5 43477

what is the chemical formula for cholesterol?

Matrix,

3 7364

what are the two cellulose derivatives used for protein purification?

Reddy Labs,

2 3261

how waxes can be prepared?

Matrix,

1 1851

what is lobry debrugn alberda van ekenstein transformation?

Matrix,

1 2443

what is the chemistry of cellulose?

Biological.e.limited,

1 3064


Post New Bio Chemistry Questions






Un-Answered Questions { Bio Chemistry }

The nucleophile in the first stage of the serine protease mechanism is a) H2O b) the carboxyl of Asp 102 c) the hydroxyl of Ser 195 d) the imidazole of His 57

947


All technical,written test questions

439


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

2971


What is the structural formula of molybdenum blue?

2277


The elution volume of an enzyme on a gel filtration column can be predicted from a) its enzyme activity b) its protein absorbance at 280 nm c) subunit composition and monomer molecular mass(es) d) Choices a) and b) are both correct.

1909






A 3.00 * 10-6M solution in a 1.0 cm cuvette read 16 % T at 620nm. What were the absorbance and the molar absorbancy index of the solution?

887


How do peptides react with cyanogen bromide?

792


Which compound is involved in reducing levels of homocysteine in the blood?

1081


I understand that urine can act as a reagent to break disulfide bonds? I am particularly interested in bonds between cysteines. and or any other amino acids.

242


What factors can change the pKa value of an amino acid residue, and in which direction?

1312


DNA binding by proteins with the helix-turn-helix (HTH) motif does not involve a) altered stacking of the DNA at the center of symmetry. b) hydrogen bonds, salt bridges, and van der Waals contacts. c) interactions with base pairs in the major groove of DNA. d) interactions with the sugar-phosphate backbone of DNA.

899


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

1178


what is QC and why is impotent in pathology lab

1528


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

935


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

982