Which of the following cell types are responsible for initiating a secondary immune response?

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#Question id: 15700

#I Life Science/ Life Sciences Group – I-V

In a sequence database of a given size, which of the following expressions is likely to retrieve more matches (X means any amino acid; any of the residues in square brackets can occupy that position)?

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#Question id: 5543

#SCPH01 Biochemistry

What is the purpose of the chorion in terrestrial vertebrate embryos?

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#Question id: 19380

#SCPH01 Biochemistry

Glyphosate results primarily from starving the cells of aromatic amino acids, which leads to

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#Question id: 14494

#SCPH01 Biochemistry

A card is drawn from a pack of 52 cards and then a second is drawn. Probability that both the cards drawn are queen is

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#Question id: 14167

#SCPH05 I Biotechnology

Corn-steep liquor contains 2.5 % invert sugars and 50% water; the rest can be considered solids. Beet molasses containing 50% sucrose, 1% invert sugars, 18% water and the remainder solids, is mixed with corn-steep liquor in a mixing tank. Water is added to produce a diluted sugar mixture containing 2% (w/w) invert sugars. 125 kg corn-steep liquor and 45 kg molasses are fed into the tank.

 How much water is required?