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AveGali [126]
3 years ago
8

What is a stem cell?

Biology
2 answers:
dangina [55]3 years ago
3 0
I undifferentiated cell of a multicellular organism which is capable of giving rise to indefinitely more cells of the same type, and from which certain other kinds of cell arise by differentiation.
Cloud [144]3 years ago
3 0

An undifferentiated cell of a multicellular organism which is capable of giving rise to indefinitely more cells of the same type, and form which certain other kinds of cell arise by differentiation

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The speed of light in water is 2.25 x 108 m/s. What is true about the index of refraction of water?
djverab [1.8K]
Light speed in water is 2.25 times 10^5 m/s so the index of refraction is higher than the index of refraction of light in a vacuum which is 1.0. (speed in vacuum for light is 300,000 km/s)

Index of refraction of light in water is 3.0 time 10^5 m/s divided by 2.25 times 10^5 m/s = 1.33.

Hope this is what you wanted.

8 0
3 years ago
Read 2 more answers
The rusty crayfish is harmful to native species of crayfish because it clear cuts the bottom of waterways leaving native species
BARSIC [14]
This would be true. the rust cray fish is an aggressive type that competes for food
3 0
3 years ago
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Eukaryotic cells and prokaryotic cells have some parts in common. Which of the following pairs of parts would you find in BOTH t
vodomira [7]
Prokaryotic: before nucleus, no membrane bound organelles, and single celled microscopic organisms
eukaryotic: true nucleus, has membrane bound organelles, and multi cellular or unicellular organisms

therefore it would be letter <span>B. cell membrane and cytoplasm</span>
3 0
3 years ago
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Why is it important that the phospholipid bilayer be both hydrophobic and hydrophilic?
oksano4ka [1.4K]

B) They maintain balance in the cell.

That mix of hydrophobic and hydrophilic, in other words, the mix of repelling and attraction maintains the aqueous balance in a cell and it's exterior.



Hope it helped,



BioTeacher101

7 0
2 years ago
An object with a mass of 20 kg and potential energy of 584 J is what distance above the ground
grigory [225]

Answer:

29.2 m

Explanation:

P=mh. Plug in the values.

584 J = 20 kg x <em>h</em>

h = 29.2 m

If it's gravitational potential energy multiply is by gravity which I think is 10 m/s.

8 0
2 years ago
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