What are the main theoretical models that try to explain the formation of the enzyme-substrate complex?
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What are some commonly used biochemical buffers?
How immunoglobulin fold looks like?
What does a sedimentation coefficient measure?
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.
Why can it be said that the enzymatic action is highly specific?
What is the anhydride of n2o5?
How does temperature affect the action of enzymes upon their substrates?
Some proteins profoundly alter the structure of DNA when they bind, bending it far out of its standard B configuration. Where do you think the energy comes from to distort the DNA?
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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.
Explain the Use of ammonal?
What is the constitution of proteins?
What is markownikoff’s rule?