What is structure of nacl?
Garnet is the ore of which element. Give its chemical formula.
Explain the Use of ammonal?
Which element has maximum catenation ability?
What does ammonal contain? For what purpose ammonal is used?
Give examples of tautomers.
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?
Does rna molecule have two polynucleotide chains likewise dna?
What happen to a denaturated enzyme regarding its functionality? How that result can be explained with the help of the lock and key model?
Do all proteins have quaternary structure?
Explain the reduction of the activation energy of chemical reactions?
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?
What are pentoses? To what organic group do pentoses belong? Are nucleotides formed of only one type of pentose?
What is the difference between essential and natural amino acids?
What are respectively some remarkable functions of reverse transcriptase?
