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Paha777 [63]
3 years ago
10

Which of the following are the natural barriers that help keep infection out?

Biology
1 answer:
sattari [20]3 years ago
7 0

The answer to the first question is mucous membranes and skin

The answer to the second question is All of the above

Hope this helps! Good luck ;)

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Do you like scienece
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Answer:

I'm guessing you mean science? And if that is what you meant, yes, I do like science. I do pretty well at it, although if I had to choose, my favorite subject is English.

Explanation:

4 0
3 years ago
explain how a carrier protein can facilitate the diffusion of glucose or other substances into the cell.
Sveta_85 [38]

Specific chemicals are bound by carrier proteins and transferred on one side of the membrane. The conformational changes they go through next enable the molecule to cross the membrane and exit on the other side.

How carrier protein facilitate the diffusion?

When a molecule diffuses, it usually moves from a high concentration location to a low concentration area until the concentration is the same everywhere in the space.

Contrary to channel proteins, another form of membrane transport protein that is less selective in the molecules it transports, carriers are proteins that move a particular material through intracellular compartments, into the extracellular fluid, or across cells. Carrier proteins are found in lipid bilayer cell structures such cell membranes, mitochondria, and chloroplasts, just like other membrane transport proteins.

Therefore, carrier proteins can facilitate the diffusion of glucose or other substances into the cell.

To learn more about diffusion click on the link

brainly.com/question/94094

#SPJ4

6 0
1 year ago
The discovery that the moon is similar in composition to the outer portions of the earth most supports the
lorasvet [3.4K]

Answer:

It most suppoet tge impact theory.

Explanation:

The his impact theory or the big splash is one of the accepted theories of tge moon and it states that the moon or luna and explain the origin of the moon that a Mars sized object planetestimal collided with the the proto Earth and the ejecta debris joined together by gravitational force which is the moon and it's orbit the Earth. The moon have similar composition to the outer portion of the Earth.

4 0
3 years ago
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An oak savanna is predominantly a grassland with a sparse growth of oak trees. When oak trees lose their leaves, the leaves are
valentinak56 [21]

Explanation:

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7 0
2 years ago
The organelle responsible for producing lipids that make up all the other organelles is
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Answer:

The smooth endoplasmic reticulum

Explanation:

Hope this helps :)

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