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Helga [31]
3 years ago
8

Epithelial tissues always exhibit polarity; that is, they have a free surface and a basal surface. Epithelial tissues always exh

ibit polarity; that is, they have a free surface and a basal surface. True False
Biology
1 answer:
svet-max [94.6K]3 years ago
4 0

Answer:

True. They always exhibit polarity.

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Drag each phrase to match the causes of water pollution to their effects.
BartSMP [9]

Answer:

improper disposal of sewage

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2 years ago
After the movie is over, Illana's heart rate starts to go back down, and the hairs on the back of her neck return to normal as s
Nina [5.8K]

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the heart it is because the heart beats and it goes up and down

4 0
2 years ago
The oldest oceanic crust is
Dafna11 [192]

The oldest oceanic crust is found at the mid-ocean ridges. Thus, option "A" is correct.

<h3>How old is the youngest oceanic crust?</h3>

The ocean crust is about younger than 200 million years (for example, smaller than 5% of the age of the earth).

The crust is most naive (still being created by volcanic eruptions) along the axis of the mid-ocean ridges and increases in age down the sides of the mid-ocean rises and out onto the more serious basin floors.

Thus, option "A" is correct.

To learn more about oceanic crust  click here:

brainly.com/question/1101764

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3 0
2 years ago
Choose all of the following that are true statements describing one round of the Krebs cycle.
stiks02 [169]

Answer: A, B, and D

Explanation: I had the same assignment and i got these ones right soooo

7 0
2 years ago
Why does a virus lethal to us not infect animals? I know that RNA viruses mutate at 10,000 to a million times faster than DNA vi
Setler [38]

The virus needs to speak the molecular language of cells. This is how he manages to dominate and enslave them so that they become factories for new viruses, producing the proteins that the infectious agent requires to assemble its descendants. If this conversation is not fine-tuned, even if the virus has the key and enters, it is doomed to failure.

<h3>Why does a virus lethal to us not infect animals?</h3>

For a virus to be able to enter a cell, it must have the right key. And this key, which are the proteins on the surface of viruses, has to enter the correct lock, the receptors that are on the cell membrane. Cells are actually houses with many different doors and locks. Some viruses have keys that open the lock of any cell and any kind of host, and others do not, so the infection caused by viruses is specific.

With this information, we can conclude that some viruses have keys that open the lock of any cell and any kind of host, and others do not, so the infection caused by viruses is specific.

Learn more about virus in brainly.com/question/1427968

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8 0
2 years ago
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