Members of the Enterobacteriaceae can be distinguished from each other by both motility and the ability to ferment lactose.
There are numerous genera in the Enterobacteriaceae family that are connected to one another both biochemically and genetically. In terms of taxonomy, the Enterobacteriaceae family now consists of around 170 recognized species and 53 named genera, of which 26 genera are known to be connected to infections in humans. This family of bacteria contains a lot of well-known bacteria, including <em>Yersinia</em>, <em>Escherichia coli</em>, etc. They are tiny rods that are gram-negative. They are facultative, non-sporulating anaerobes. MacConkey agar is used to isolate and distinguish organisms of the Enterobacteriaceae family because they have basic nutritional needs.
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Answer: True, both of the given statements are true.
Explanation:
1. Nearly all the environment contains microorganism whether it is soil, air, water or any other surface. They have the ability of live in the extreme conditions.
There are different forms of bacteria found at different places. Some of them are thermophiles that at found in extremely hot conditions such as thermal vents.
The organism like Psychrophiles are the microorganisms that have the ability to survive at lower temperatures. Example: bacteria found in polar regions.
2. A culture can be defined as a pure culture if it has an unadulterated species of bacteria. It has no contamination and if a small inoculum from the pure sample is streaked on a plate then a pure culture of the sample is obtained.
This should be done in an aseptic condition so that the bacterial species should be free from contamination.
Explanation:
tanam lebih banyak & lebih banyak pohon. penggundulan hutan harus dihentikan. jangan bakar kerupuk. gunakan kendaraan CNG kendaraan.
Answer:
Option A
Explanation:
Most of the human economic systems if not all operate with the human natural systems. Human economic system and natural systems almost dependent on one another in that they are linked by a network of interconnected processes; for example, human economic activity depend on natural, including a maintained system of primary productivity such as forests and agriculture etc.
You should test your hypothesis.
