Peptones and beef extract
MacConkey agar is a selective and differential culture medium for bacteria designed for isolation of Gram negative and usually enteric bacilli, based on their ability to ferment lactose. It contains bile salts, crystal violet, neutral red dye. There are many variations of MacConkey agar depending on the need. This medium was developed by Alfred Theodore MacConkey. This agar can distinguish gram negative bacterias that can ferment. This is known as the indicator medium.
Answer:
Answer would be A
Explanation:
If you cannot read it A is
warm, moist air rises
The water cycle and the oxygen cycle
Answer:
There is one carbon atom on the reactant side and one carbon atom on the product side.
Explanation:
The same is true for oxygen except that there are two oxygen atoms on each side (remember that the subscript of two in the oxygen molecule means that there are two oxygen atoms bonded together).
