What is dipole?

1112

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

2092

How does the substrate concentration affect the speed of enzymatic reactions?

1140

Explain the reduction of the activation energy of chemical reactions?

969

What is the name of the dna duplication process?

973

What is zone electrophoresis?

2053

What is internal energy?

1088

Name the vinyl halide that reacts with hydrogen halides and the product formed is?

949

Which element in 1A group is lighter than water?

1001

Define the phenomenon catenation.

1196

Compare and contrast feedback inhibition and enzyme repression?

9767

What are pentoses? Are nucleotides formed of only one type of pentose?

1022

Ionic compound does not show the property of space isomerism, Give the reason?

1175

What are the favorable conditions for formation of cat ions?

1138

Garnet is the ore of which element. Give its chemical formula.

1059