Give the formula for Peral Ash?
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What factors can change the pKa value of an amino acid residue, and in which direction?
In the geometrical isomerism, if the similar groups are present on opposite side is called as?
What kinds of proteins are involved in facilitating protein folding?
If a polar molecule has a charge of 4.8 * 10^ (-10) and internuclear distance is 1A then what is its dipole moment?
what is albinism?
Give examples of tautomers.
what is lactam-lactim tautomerism?
What is the rule for the pairing of nitrogen-containing bases in the dna molecule and in the rna? Is this last question appropriate?
Give the example for electrophilic substitution reaction?
Explain the reduction of the activation energy of chemical reactions?
what is pacemaker reaction or rate limiting reaction?
1 Answers Nutrition Research Laboratories,
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.