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Bio Chemistry Interview Questions
Questions Answers Views Company eMail

how bpg acts as a haemoglobin regulator?

2 7617

what are the genetic defects in urea cycle?

1 2809

what was the actual reaction happening during sullivan test?

Reddy Labs,

1 2775

what is lactam-lactim tautomerism?

Reddy Labs,

3 18777

what is turn over number?

Aurobindo,

4 21088

what is the special isoprene rule?

Ranbaxy, Reddy Labs,

6 30811

Explain RS notation of isomers?

4 11404

Mention the amino acids with positively charged R groups?

1 3667

What are the biological activities played by Peptides?

1 2112

What is the difference between myoglobin and haemoglobin in the sequence of poly peptides?

1 6868

What is the importance of siderophilin?

1 2958

What is the phenomenon of salting-in effect?

1 5017

What is the product formed when aminoacid reacts with benzaldehyde?

1 3084

What is meant by non-conjugated double bond system?

1 5245

What is the difference between Phospholipids and phosphosphingosides?

Hotel Jobs, ICO,

2575


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Un-Answered Questions { Bio Chemistry }

Which property among the following generally increases from top to bottom in a group 1a? 1. Electropositive, density, basic nature, classical reactivity

258


What is the importance of the primary structure of a protein?

194


give the formula of borax?

247


What does ammonal contain? For what purpose ammonal is used?

224


Name the first synthetic organic compound. Who proposed it and from which compound?

216






what is meant by codan optimisation m rna enrichment?

1683


Name two elements, which are non-metallic in nature in 5th a group?

259


Is there any situation in which dna is made based on a rna template? What is the enzyme involved?

212


Bacteria are prokaryotic cells, i.e., They do not have membrane-delimited nucleus. Eukaryotes have cells with delimited nucleus. Where in these types of cells can dna are found?

233


What does thermodynamics helps in predicting?

240


In 3d-series, which two elements exhibit an anomalous configuration?

229


What happens if Lattice energy increases?

246


Which process is used in welding the gaps in railway tracks?

231


Name two compounds, which is mixture of lucas reagent?

241


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

1334