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insens350 [35]
3 years ago
7

Molecules outside the cell can enter as what ?​

Biology
1 answer:
Anika [276]3 years ago
6 0

Answer:

The structure of the lipid bilayer allows small, uncharged substances such as oxygen and carbon dioxide, and hydrophobic molecules such as lipids, to pass through the cell membrane, down their concentration gradient, by simple diffusion.

Explanation:

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4 years ago
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I'm guessing here but, some advantages are, embryonic stem cells are very effective at repairing damaged tissues, but they are difficult to obtain, and either have to be obtained from umbillical chords of babies, or from fertilized embryos from a laboratory.  So I am guessing they would be expensive/difficult to source because you would either have to collect umbillical chords from babies, or have to purchase eggs from women, and they are ethically questionable to use because you are essentially making potentially viable embryos and then killing them.  Hope this helps.  

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3 years ago
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iren2701 [21]

Answer:

The correct answer is statement c.

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The lower half of the body is labeled? A.superior B.inferior C.proximal D.distal
Stolb23 [73]
<span>The lower half of the body is labeled .inferior 
because inferior means  lower surface of a structure
 so i conclude the correct option among above is B 
hope it helps</span>
8 0
3 years ago
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