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.

2167

Where can rna are found within cells?

1259

Describe the environment where you do your best work in an organization?

2213

What is the name for magnesium per chlorate and what is its formula?

1096

Name the instrument used for sequencing proteins automatically?

1077

According to the watson – crick model how many polynucleotide chains does a dna molecule has?

1067

Borax is chemically called as ?

1310

why ph is not more than 14?

1577

Which compound is involved in reducing levels of homocysteine in the blood?

2642

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.

3202

Give the chemical formula for Borax?

1235

Bleaching powder is obtained when cl2 is passes through which inorganic compound?

1095

Who proposed VSEPR theory? What does it explain?

1350

Define activation energy?

1149

Name two elements, which are non-metallic in nature in 5th a group?

1199