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Ber [7]
3 years ago
11

Why perform multiple tests in order to identify an unknown bacterium, instead of a single biochemical test

Biology
1 answer:
Alexxx [7]3 years ago
4 0

Answer:

There is no specific test available for a perticular or any individual bacterium to be identified. A prticular test can only narrow down the choices on the basis of characteristic each test excludes or includes.

Most of the time, to identify a particular bacterium atleast 3 to 4 tests are required. Each test can give postive result to be positive for a new group of bacteria.

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PLS HELPPPPPPPPPPPPP
Vlad1618 [11]
Biosphere- protect habitats
Atmosphere- reduce auto emissions
Hydrosphere- reduce,reuse,recycle
Geosphere- limit fertilizer
7 0
3 years ago
In two or more complete sentences, describe an activity you perform that has an impact on climate change? Is it positive or nega
Phoenix [80]

Answer:

Burning of woods has a negative impact on the climate.

Explanation:

Burning of woods for heating has a negative impact on our climate because it releases carbondioxide gas which is a greenhouse gas that trapped the reflected solar radiation and leads to global warming. We have to used alternative methods for heating such as electric heater instead of burning of wood which produce no pollution and can fulfill the requirement of heating so from the above discussion we can say that the activity has a negative impact on the environment.

7 0
3 years ago
There are more protons than electrons in a negatively charged atom.
meriva

Answer:

False.

Explanation:

Protons are positively charged, so having more protons would make an atom positively charged. Electrons are negatively charged.

3 0
3 years ago
What is the major component missing from this food chain in order to see the flow of energy? A) there are no producers B) there
solmaris [256]

Answer:

The Green plants are missing in the food chain

Explanation:

Producers: The green plants since they produce their own food are also termed as autotrophs. They absorb energy from the sun to make their food. In ocean the phytoplanktons are the producers. In oceans the zooplanktons eat the phytoplanktons. Again the smaller zooplanktons eaten by larger zooplanktons and this eaten by fish. The fish is eaten by a bird. The tertiary consumer.

Consumers: It includes all organism eat something to survive. They might be herbivores and carnivores

Decomposer: The microbes bacteria and fungi converts dead matter into carbon and nitrogen which backs into the atmosphere.

5 0
3 years ago
Tentative explanation of a phenomenon that can be tested
stellarik [79]
A tentative explanation of a phenomenon that can be tested I believe is a scientific experiment.
5 0
3 years ago
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