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Readme [11.4K]
3 years ago
9

What holds and protects DNA

Biology
1 answer:
Svet_ta [14]3 years ago
5 0

Answer:

A nuclear envelope

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I’ll mark u brainly!
pishuonlain [190]

1. Phytoplankton, krill, fish, penguin

2.  Baleen whale, smaller toothed whale

3. krill

4. the phytoplankton are the producers, they make their own food from the sunlight just as plants do.

5. herbivorous zooplankton, phytoplankton

6.  One type is a herbivore it snacks on plants. The other type is a carnivorous type of zooplankton it eats smaller animals.

7. Draw a pyramid with several layers. at the bottom write phytoplankton. above that layer write zooplankton, not the carnivorous type. above that write 1st level carnivorous consumers, such as the fish, krill, other birds, and small squid. above that write 2nd level carnivores like the leopard seal, penguin, and elephant seal. Then above that write Baleen whale, smaller toothed whale, and a sperm whale.

6 0
3 years ago
What are the differences between isotonic hypotonic and hypertonic
kari74 [83]

Answer:

isotonic: two solutions having the same osmotic pressure across a semipermeable membrane

hypertonic: shrink. solution is one in which the concentration of solutes is greater inside the cell than outside of it

hypotonic: swell. solution is one where the concentration of solutes is greater outside the cell than inside it

Explanation:

8 0
3 years ago
Why can’t your body heal an amputation, such as the loss of a finger, the same way it can heal a cut?
katrin2010 [14]

Answer:

For a limb to regenerate, you need bone, muscle, blood vessels and nerves. There are adult stem cells, a kind of undifferentiated cell that can become specialized, that regenerate muscle, but they don't seem to activate.

3 0
3 years ago
I’ll give brainliest :) !!<br><br> Root hairs, a part of the root tissue system, does what?
Furkat [3]

Answer:

The third option is correct.

Hope this helps.

7 0
2 years ago
Which property of water molecules explains the other properties
Diano4ka-milaya [45]
<span>Essentially, cohesion and adhesion are the "stickiness" that water molecules have for each other and for other substances. You can see this in the picture to the right. The water drop is composed of water molecules that like to stick together, an example of the property of cohesion.</span>
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3 years ago
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