The accompanying figure depicts the map of a part of E. coli genome harboring the lac operon.

 lac mRNA would hybridize to which of the following DNA?

1) lac I; 2) lac 0; 3) lac Z; 4) lac Y; 5) lac A

#Question id: 10853

#Unit 10. Ecological Principles

Plant parasites that lack chlorophyll and depend on their host for sustenance are referred to as

#Question id: 11313

#Unit 1. Molecules and their Interaction Relevant to Biology

Monosaccharides occur predominantly as cyclic (ring) structures in which the carbonyl group of aldehyde sugar has formed a covalent bond with the oxygen of a hydroxyl group along the chain. The reaction involved in formation of these ring structure called

#Question id: 10776

#Unit 6. System Physiology – Plant

pyrethroids that occur in the leaves and flowers of Chrysanthemum species show very striking insecticidal activity. Pyrethroids are________

#Question id: 12015

#Unit 10. Ecological Principles

The oxygen consumption of marine crabs acclimated to either 10°C or 20°C was measured at environmental temperatures of 5°C to 25°C to produce the following graph.

Which of the following can be correctly concluded from the information in the graph?

#Question id: 18792

#Unit 13. Methods in Biology