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natali 33 [55]
3 years ago
11

The majority of the nasal cavity is lined with? transitional epithelium. B) simple squamous epithelium. C) pseudostratified cili

ated columnar epithelium. D) simple cuboidal epithelium
Biology
1 answer:
IrinaVladis [17]3 years ago
8 0
Answer: pseudostratified ciliated columnar epithelium.

The nasal cavity is divided into two segments: the respiratory segment and the olfactory segment. The respiratory segment comprises most of each nasal fossa and is lined with ciliated pseudostratified columnar epithelium (also called respiratory epithelium). The conchae, or turbinates, are located in this region.
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A(n) ____ is an approximate representation or simulation of a system.
enot [183]

Answer:

A(n) ____ is an approximate representation or simulation of a system?

A(n) <em><u>Model</u></em>____ is an approximate representation or simulation of a system.

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5 0
3 years ago
Typically, urea broth is filter-sterilized because autoclaving breaks down the urea. However, even unsterilized broth rarely pro
Anni [7]

Answer:

When organisms use urea, ammonia is generated during incubation, which makes the reaction of these media alkaline

Explanation:

Urea broth preparation:

Suspend 3.87 grams of the medium in 100 ml of distilled water without heating. When the powder dissolves, sterilize by filtration. Dispense quantities of 0.5 to 2 ml in small sterile tubes. Larger volumes may be used but the reactions will be slower. Do not sterilize in autoclave.

Do not boil the medium.

If no filter is available, the medium can be sterilized at 100-110 ° C for 10 minutes. If the medium is prepared and inoculated immediately, it provides good results without sterilization.

8 0
3 years ago
The ___________ propel debris-laden mucus away from lower respiratory system structures.
Aliun [14]

The cilia propel debris-laden mucus away from lower respiratory system structures.

<h3>What is function of mucous membrane?</h3>
  • Another general defense against possible infections is provided by the mucous membranes that line the digestive, urinary, and respiratory tracts, as well as the nose, mouth, and lungs.
  • In order to cover and protect the more delicate cell layers underneath it and to trap waste and particle matter, including microorganisms, mucous membranes are made up of a layer of epithelial cells connected by tight junctions.
  • Because they feature ciliated appendages, which resemble hairs, the epithelial cells lining the upper portions of the respiratory tract are known as ciliated epithelial cells.
  • Mucus that contains debris is forced out and away from the lungs by the cilia's movement. The mucus is then coughed up, sneezed out, or swallowed and destroyed in the stomach. The mucociliary escalator is another name for this route of elimination.

Learn more about the Mucous membrane with the help of the given link:

brainly.com/question/25968581

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8 0
2 years ago
small group of 100 people decide to isolate themselves from the world and move to a small and remote deserted island. Out of thi
irina [24]

Answer:

Frequency of p = 0.684

Frequency of p = 0.316

Number of individuals with homozygous dominant (AA) = 47

Number of individuals with heterozygous (Aa)= 43

Number of individuals with homozygous recessive (aa) = 10

Explanation:

Out of 100 people, 10 have albino skin (aa)

So, the frequency of homozygous recessive individuals (q^{2}) is \frac{10}{100} = 0.1

Now, q will be

= \sqrt{q^{2} } = \sqrt{0.1} \\= 0.316

As per Hardy Weinberg's equation -

p + q = 1

Substituting the value of q in above equation, we get -

p + 0.316 = 1p = 1 -0.316\\p = 0.684

Now the frequency of homozygous dominant (AA) will be

p^{2} = 0.684^{2} \\= 0.467

Hence, out of 100 people 0.467 * 100 = 46.7 or 47 people are homozygous dominant (AA)

Like wise out of 100 people 0.1 * 100 = 10 people are homozygous recessive (aa)

As per As per Hardy Weinberg's equation-

p^{2} + q^{2} + 2pq = 1\\

Substituting the values in above equation, we get -

0.467 + 0.316 + 2pq = 1\\2pq = 1 -( 0.467+ 0.1)\\2pq = 0.433

So, out of 100 people 0.433 * 100 = 43.3 or 43 people are heterozygous (Aa)

7 0
3 years ago
N NaO2, what does the 2 represent?
Viktor [21]

Answer:

In the element (<u>n Na20)</u> the <em>2 </em>means that there are 2 oxygen atoms in the Sodium Oxide.

7 0
3 years ago
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