The Oxidation-Fermentation Test is used to differentiate bacteria built on their capability to oxidize or ferment specific sugars.
Once microbes are inoculated,-One tube is sealed with a layer of sterile mineral oil to promote anaerobic growth and fermentation.-The other tube is left unsealed to allow aerobic growth and oxidation.
Organisms able to ferment the carbohydrate or ferment and oxidize the carbohydrate will turn the sealed and unsealed yellow throughout.
Organisms able only to oxidize the sugar will turn the unsealed yellow medium and leave the sealed medium green or blue.
Fragile fermenters will convert both tubes slightly yellow at the top.
Organisms not able to metabolize the sugar will either produce no color change or will turn the medium blue due to alkaline products from amino acids degradation.
Since Pair #1 showed complete yellowing for sealed and unsealed, these Organisms able to ferment the carbohydrate or ferment and oxidize the carbohydrate. So our interpretation will be that the organism has: Oxidation and fermentation OR fermentation only.
For tubes #2 and #3, the sealed tubes were green throughout suggests that they need oxygen for aerobic growth, and the fact that their unsealed tubes showed light yellowing is evidence for oxidation. Sealed - Green and Unseal - Yellow. Our interpretation for these pairs of tubes would be : Oxidation
Tube 1 can be either Oxidation and fermentation OR fermentation only. So reliability of this needs to be confirmed more with additional testing.
Tubes 2 and 3 are most reliable because they can only be oxidation only and no fermentation.
Answer:The plants should float around, we’d no longer be in orbit. With are plants roaming of course the life on Earth would end and it’s likely for plants to collide
Explanation:
New homes has developed as a result of population growth around Cape Canaveral due to the space program.
<h3>What is population growth?</h3>
- The rise in the number of people on Earth is referred to as population growth.
- The majority of human history saw a relatively steady population size.
- Energy, food, water, and medical care, however, became more accessible and dependable as a result of innovation and industrialization.
- Due to broad advancements in public health, nutrition, personal cleanliness, and medicine, the average human lifespan has gradually increased since 1950, which has led to an unparalleled surge in the world's population.
- The population is one of the crucial elements that balances the ecosystem.
- It should be in harmony with available resources and methods.
- A balanced population will make it easier to meet all of the needs and demands of the populace, helping to protect the nation's environment.
Learn more about population growth here:
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I'm almost positive it's B (<span>B. It must be compacted and/or cemented</span>, but it's been along time since this subject..... Hope this helped.
(D), amount of time and area of physical contact between the substances
