In the lactose operon, the molecule that causes the repressor to fall off the promoter is which of the following?

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#Question id: 9195

#SCPH28 | Zoology

Philippe Bouchet and colleagues conducted a massive survey of marine molluscs on the west coast of New Caledonia. For 20% of the total species that were located and identified, only a single specimen was found. What does that suggest about the diversity of molluscs in this area?

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#Question id: 353

#SCPH05 I Biotechnology

Measurements show that the pH of a particular lake is 4.0. What is the hydrogen ion concentration of the lake?

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#Question id: 15138

#SCPH05 I Biotechnology

Match the items in group 1 with an appropriate description in group 2.

Group 1                                                                Group 2

(P) SWISS PROT                                 (1) derived protein structure database 

(Q) Local alignment                          (2) protein sequence database

(R) CATH                                             (3) GAP

(S) Global alignment                        (4) Smith–Waterman algorithm

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#Question id: 14495

#SCPH28 | Zoology

A bag contains 5 white and 3 black balls. Two balls are drawn at random one after the other without replacement. The probability that both the balls drawn are black is

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#Question id: 10792

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

Compounds such as caffeic acid and ferulic acid occur in soil in appreciable amounts and have been shown,