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Bio Chemistry Interview Questions
Questions Answers Views Company eMail

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

995

Give examples of tautomers.

1115

In sickle cell anemia, a hereditary disease, there is substitution of one amino acid by other in one of the four-polypeptide chains of hemoglobin. In this case, are all of the structural levels of the protein modified?

1181

Does rna molecule have two polynucleotide chains likewise dna?

979

What happen to a denaturated enzyme regarding its functionality? How that result can be explained with the help of the lock and key model?

1054

Do all proteins have quaternary structure?

1059

Explain the reduction of the activation energy of chemical reactions?

957

Which are the nucleotides “portions” that bind in the formation of nucleic acids? What is meant by the 5’ and 3’ extremities of nucleic acids?

965

What are pentoses? To what organic group do pentoses belong? Are nucleotides formed of only one type of pentose?

996

What is the difference between essential and natural amino acids?

1025

What are respectively some remarkable functions of reverse transcriptase?

1009

What is the completing sequence of nitrogen-containing bases for an agccgttaac fragment of a dna chain?

1129

What are dextrorotary compounds and levi rotary compounds?

1046

Why ethylene undergoes electrophilic addition reactions?

1005

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?

1099


Post New Bio Chemistry Questions

Un-Answered Questions { Bio Chemistry }

Which are the nucleotides “portions” that bind in the formation of nucleic acids?

1001


What are the three main types of rna? What is meant by heterogeneous rna?

1100


What can you calculate by selecting Born-Haber cycle?

1045


Because of dna replication, two dna molecules come to existence. Why is not it correct to assert that two “new” dna molecules are created? What is the name given to the process concerning that fact?

1154


How do you define free radical addition reaction? Give an example.

1046


What are species grow in waitland?

2624


What is the element in third series the element with maximum oxidation state?

1017


What is the bond angle of phosphorous?

1021


Explain activation energy?

968


Alkaline metals when dissolved in ammonium (NH3) act as better conductor and better reducing agent what is the reason behind it?

1067


What is the quaternary structure of a protein?

1063


Is there difference between the initial and the final energy levels in catalyzed and non-catalyzed reactions?

1100


What is the tertiary structure of a protein?

1022


Are nucleotides formed of only one type of pentose?

903


The expression q=delta (e)-w is? What does it states?

1102