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andreev551 [17]
3 years ago
14

What happens when planaria grow, heal and regenerate after being cut

Biology
1 answer:
hram777 [196]3 years ago
8 0
So planarians' regenerative ability are powerful cells called pluripotent stem cells, which make up one-fifth of their bodies and can grow into every new body part. I hope this helped if you need more info about this let me know
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Plant viruses spread throughout the plant by way of __________. View Available Hint(s)for Part A chloroplasts plasmodesmata vert
KatRina [158]

Answer:

Plasmodesmata

Explanation:

Plasmodesmata are microscopic channels which traverse the cell walls of plant cells and some algal cells, enabling transport and communication between them. This is the path that viruses use to spread throughout a plant's system.

Hope this helped! :^)

7 0
3 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
One of the ways that food can be preserved is by heavily salting it so that bacteria cannot live upon the food. What causes the
Andreas93 [3]

Answer:

d. salt moves in by osmosis

Explanation:

6 0
3 years ago
How do breathing passages help keep pathogens out of the body?
Zarrin [17]

D. Muscus and cilia trap pathogens

have a good day!

7 0
3 years ago
Biodiversity is the existence of many different kinds of plants and animals in an environment. Describe why the tropical rainfor
inysia [295]

Answer:

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Explanation:

7 0
2 years ago
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