lactose negative oxidase negative gram negative rod

Let p be any proposition. The proposition "not p" is called the negation of p. It is denoted by ~p. [The negation of p is false if p is true and the negation of p is true if p is false] Following is the truth table for ~p..

In 1884 a Danish physician Christian Gram devised a technique of differential staining for bacterial cells, using two simple stains. The procedure involves staining bacteria initially with a weak alkaline solution of gentian (crystalline) violet. All bacterial cells stain blue with this d..

If the velocity of an object decreases then the object is said to be moving with negative acceleration. Negative acceleration is also known as retardation or deceleration. Example: (1) A ball moving up an inclined plane. Example of Negative Accelerati..

and when q is obtuse, cos q is negative. Hence, the work done is negative. ..

It is a negative, direct food related interspecific interaction between two species of animals in which larger species called predator attacks, kills and feeds on the smaller species called pre..

Valency 1 Valency 2 Valency 3 Valency 4 Fluoride F - Chloride Cl - Carbonate CO 3 2 - Nitride N 3 - Carbide C 4 - Bromide Br - Sulphide S 2 - Phosphide P 3 - Iodide I - Bisulphite HSO 4 - ..

What is the product of three negative integers? => Positive integer or Zero or Negative integer..

Angles that are formed by counter clockwise (anti clockwise) rotation, such as the one shown in fig (ii) are said to be positive or to have positive measure. Angles that are formed by a clockwise rotation, like the one in fig(iii) are said to be negative or to have negative mea..

Here, the velocity-time graph is a straight line with a negative slope, as shown in the figure below...

In this type of deviation, the partial vapor pressure of each component of solution is less than the vapor pressure as expected according to Raoult's la..