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Ilia_Sergeevich [38]
3 years ago
12

"Consider a gram-negative pathogen isolated from marine mammals. This pathogen is subjected to a series of tests and found to ha

ve the following characteristics:_______________
a) oxidase-positive,
b) does not hydrolyze urea,
c) produces indole,
d) does not produce acetoin.
Biology
1 answer:
Effectus [21]3 years ago
7 0

Answer:

The pathogen is Pasteurella multicida.

Explanation:

Pastuerella multicida is a gram negative, non motile bacteria that is penicillin sensitive and belongs to the family pasteurellaceae. It is a common cause infection from dogs and cats bites.

Gram staining is a method use to distinguish and classify bacterial species into large groups which are either gram positive or gram negative.

Gram negative bacteria are bacteria that do not retain the crystal violet stain used in their gram staining while

Gram positive bacteria are bacteria that retain the crystal violet stain by their thick peptidoglycan cell wall found in them.

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The green data point at June 2011 shows a proportional change of about________ , which means that the native fish population____
Orlov [11]

Answer: The appropriate information that will be used to fill the blanks includes the following respectively:

-1.7

- increased

-70%

- 0.5

- decreased

- 50%

Explanation:

The green (topmost) data point at June 2011 shows a proportional change of about 1.7, which means that the native fish population INCREASED by about 70 percent when 95 percent of the lionfish were removed. In contrast, the orange data point at June 2011 shows a proportional change of about 0.5, which means that the native fish population DECREASED by about 50 percent when only a quarter of the lionfish were removed (a result that was almost the same as when none of the lionfish were removed).

The native fishes are being haunted by the lion fish, from the results, removing just few of the invasive lion fish will not make a difference. In other to help the native fish survive, many of the lion fish has to be removed.

8 0
3 years ago
How does inorganic nitrogen from the atmosphere<br> (N2) get into living systems?
lawyer [7]

Answer:

When an organism excretes or dies, nitrogen is in the form of organic nitrogen in its tissues (e.g. amino acids, DNA). During the ammonification process, many fungi and prokaryotes then break the tissue down and release inorganic Nitrogen into the atmosphere as ammonia.

Explanation:

Plants use their roots for nitrogen compounds. When they consume the seeds, animals acquire certain chemicals. When plants and livestock die, or animals excrete waste, the organic nitrogen compounds return to the soil, where microorganisms known as decomposers break down their compounds.

6 0
3 years ago
During the process of only specific parts of the DNA are activated; the parts of the DNA that are activated
kenny6666 [7]

Answer B And C

The decoding of information in a cell's DNA into proteins begins with a complex ... use different sets of catalysts to express only specific portions of these instructions to ... that the process of DNA replication be as accurate as possible (Figure 1). ... number depends on how active a particular cell is in synthesizing proteins.

Explanation:

8 0
3 years ago
HELP!!!!!!!
Lady_Fox [76]
A? I not sure or c maybe
4 0
3 years ago
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Which kind of organism is a autotroph
Deffense [45]

Answer:

Autotrophs are the organisms which have ability make their own food using various sources of energy. Examples are can green plants and algae such as <em>Spirogyra, Chlorella, Volvox</em> make their food using sunlight carbon dioxide and water.  they are photoautotrophs

Some bacteria are also make their food using chemical energy through oxidation. They are chemoautotrophs.  

6 0
3 years ago
Read 2 more answers
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