In an E. coli culture lactose is used as food instead of glucose. If so, answer the following questions:
If lactose is removed from the medium what will happen?

In an E. coli culture lactose is used as food instead of glucose. If so, answer the following questions: How do the bacteria respond to the above situation at genetic level?

A small fragment of skin of a different person was extracted from the nails of a murdered person. This fragment of skin led the crime investigators to the murderer. Based on this incident answer the following questions: What is the procedure involved in this technique?

Imagine a sports meet of liquids. Honey and water are the two participants in a race on a slopy surface. Before starting the competition if you are interviewed what will be your answer for the following questions. If the competition is conducted in a sunny day is there any chance to vary their speeds? If so why?

The names of some metals are given below. Tungsten, Gold, Sodium, Copper, Iron, Magnesium Answer the following questions by selecting the appropriate ones from the list. Which metal with high malleability is used for making ornaments? Which of these metals reacts with cold water? Which of these is a hard metal but corrodes easily?

A+B+Heatharr2C+D This reversible reaction is in equlibrium. What happens to the amount of products under the following conditions: C is removed from the system.