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WITCHER [35]
3 years ago
5

Which of the following uses a particularly dense suite of tight junctions to prevent microbes from entering the underlying tissu

e?
the mucociliary escalator
the epidermis
the blood-brain barrier
the urethra
Biology
1 answer:
saul85 [17]3 years ago
5 0

Answer:

Blood-brain barrier.

Explanation:

Blood brain barrier may be defined as the barrier between the blood capillaries and the component of the brain tissue. This blood brain barrier provide protection against the pathogens present in the blood.

The blood-brain barrier uses tight junctions that prevent the entry of microbes in the underlying tissue. The tight junctions allows only the entry of some selected particles and prevent the entry of other particles.

Thus, the correct option is (3).

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The symptoms of tetanus are caused by the neurotoxin ________.
seropon [69]

Answer:

The correct answer is the neurotoxin known as tetanospasmin toxin.

Explanation:

Tetanus is a disease caused by a bacteria known as clostridium. The bacteria are found in soil, manure, dust, and saliva. It can enter the host body by a cut or rusted or dusty nail or burn. It causes muscle spasm or jaw locking or bone locking.

It releases the neurotoxin that is tetanospasmin toxin that inhibits the secretion of γ-aminobutyric acid (GABA) and results in a variety of symptoms associated with tetanus.

Thus, the correct answer is the neurotoxin known as tetanospasmin toxin.

8 0
3 years ago
Which of the following is true regarding Darwin's theory of evolution?
marysya [2.9K]

Answer:D

Explanation:

Evolution

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2 years ago
What is the ratio of surface area to volume for a sphere with the following mesasurements
Sauron [17]

Answer:

jerry

Explanation:

said  no

6 0
3 years ago
A television viewership ratings company conducted a survey to rate the local television channels of a particular town. The town
Naya [18.7K]
The answer is A. the estimated number of residents who would have voted for channel 1 is higher for group A than Group B.
5 0
3 years ago
Read 2 more answers
What is the value of the expression when a equal 4B equal 3 + c equal 10​
mezya [45]

Answer:

The value of the expression is as follows:

a = 10; B = 2.5; c = 7

Explanation:

a = 4B = 3 + c = 10​

Step 1

split equation into parts, then we have

3 + c = 10

c = 10 - 3

c = 7 (the value of c is 7)

Step 2

Rewrite equation as a = 4B = 10, then split again

4B = 10

Then, B = 10➗ 4

B = 2.5 ( the value of B is 2.5)

Step 3

Take the last part of the equation

a = 10 (the value of a is 10)

Note the "equal sign =" put whatever is on the left hand side to be equal to the right hand side

5 0
3 years ago
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