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ValentinkaMS [17]
3 years ago
12

Bacteria naturally prefer company instead of solitude for growth. Examples of this kind of communal growth pattern can be found

everywhere, from surfaces of the teeth and the intestines, to the surface of a slimy rock in the lake, to the thick floc that clogs water pipes. These examples of communal bacterial growth are known by what name?
A) infectious unit
B) colony
C) biofilm
D) planktonic unit
Biology
1 answer:
myrzilka [38]3 years ago
5 0

Answer:

The correct option is (C). The above mentioned definition is true for biofilm that resembles a slimy structure composed of cells attached to each other.

Explanation:

 The adherent cells that results due to the formation of biofilm are known to invade the slimy extracellular matrix that are made up of extracellular polymeric substances. These embedded cells serves the function of production of EPS component that is composed of genetic material, polysaccharides and lipids. These biofilms are capable of growth on the living as well as the non living things.  

Formation of biofilm by the microbes occurs due to several factors namely nutritional factors, antibiotic attack and cellular recognition to the attachment site. The defined steps of the biofilm formation includes initial attachment, Irreversible attachment, Maturation I, Maturation II and Dispersion.

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In coccidioidomycosis, _______ containing many endospores form in the lungs.
dolphi86 [110]

Answer:

spherules

Explanation:

Like histoplasmosis, coccidioidomycosis is acquired by the inhaling fungal spores.

<u>Arthrospores are formed by the hyphal fragmentation in this case. Once in body, fungus differentiates into the spherules which are filled with the endospores. </u>

Most of the C. immitis infections are self-limiting and asymptomati. The endospores are transported in blood, disseminating infection and thus leading to formation of granulomatous lesions on face and nose. I

<u>Thus, spherule is a thick-walled spherical structure which encloses the endospores and occurring in parasitic form of the fungi of genus Coccidioides.</u>

7 0
3 years ago
Once nutrients have been broken down through the process of cellular respiration, which of the following must also happen in ord
irina [24]
I think the answer is B:the cell must remove waste
Explain: it’s definitely not option 1, it’s an animal cell. The last one I doubt as well. So it is down to B and C.
3 0
3 years ago
An easy way to calculate the amount of energy available at each level is to
Contact [7]

Answer:

Use the rule that 10% of the energy is transferred between layers.

Explanation:

Energy is transferred between layers of a food pyramid. That means that the  producers at the bottom of the pyramid (e.g. green plants) provide energy to the primary consumers (e.g. rabbits), which are eaten by and provide energy to the secondary consumers (e.g. foxes).

However, very little of the energy is actually transferred to the next layer, roughly 10%. So an easy way to calculate the energy available at each level is to calculate 10% of what was available from the previous level. So if there is 600 kJ available from the primary consumers, then 60 kJ are transferred to the secondary consumers

5 0
3 years ago
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6 0
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6 0
3 years ago
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