Definitely wake up your parents because you might have to get a blood transfusion. Tell them its an emergency
Nine amino acids are needed to travel through the thickness of the membrane.
Alpha-axial helix's distance between amino acids is 1.5. A
The number of gaps between the 22 amino acids in the helix is equal to (22-1) = 21.
Therefore, the helix's length is (21 X 1.5) = 31.5.
One alpha helix is sufficient to span the membrane's breadth, hence the formula is: span of the helix = thickness of the membrane = 31.5 A
The thickness of the membrane is determined by the formula above to be 31.5 AA.
In the beta-strand, there is 3.5 AA between each amino acid.
Therefore, (31.5/3.5) = 9 amino acids are needed.
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I think the correct answer is option D. T<span>he benefits of natural change to ecosystems compare to the disadvantages most likely would be that there are no disadvantages to natural change in ecosystems. If the changes are natural, then it happens because it just happens so probably it will not have any disadvantages or benefits.</span>
Answer:
Xylem
Xylem are strong, thick tubes. They carry water and minerals from the plant's roots to its leaves. Water and minerals must reach the leaves.
