Which is the least abundant Alkaline earth element?

983

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?

1188

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.

2068

What is inert pair effect?

1264

What is lattice energy?

1107

What are respectively some remarkable functions of immunoglobulin?

1032

What is threshold energy?

1152

How does temperature affect the action of enzymes upon their substrates?

1020

Explain what are similarities and differences between the transcription process and the replication processes?

1145

Concerning their biological function what is the difference between dna and rna?

1079

What is the structure of cscl

1005

What type of column is generally used to separate amino acids from each other?

2057

Give the formula for Peral Ash?

1125

What is Sublimation energy?

1019

What is the super phosphate of lime?

1155