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

1001

Calculate the molar extinction coefficient of a solution containing 5 *10-4 g litre-1 of a biomolecule, molecular weight 275 g mol-1, and absorbance 0.75 in a 1.2 cm cuvette.

3096

What is the activation center of an enzyme? Is it the key or the lock of the lock and key model?

1001

Explain threshold energy?

968

What are allosteric enzymes?

1032

Define bond energy?

1041

Why fe3+ ion is more stable than fe2+ ion is?

1006

Since pepsin is a gastric enzyme does it, has acid or basic optimum ph? What happen to pepsin when it passes to the duodenum?

972

What is the bond angle of phosphorous?

1021

How does the formation of the enzyme-substrate complex? Explain the reduction of the activation energy of chemical reactions?

947

what is your passion?

1972

What is the secondary structure of a protein?

1206

Which branch of science deals with the transformation of chemical energy into electrical energy and vice versa?

984

To calculate the e.m.f of the cell when does the nelsons equation is use?

1049

Explain why nitrogen cannot form penta halides?

1088