The answer would be C, double fertilization produces a triploid zygote and a tripped endosperm!
A.Volcanoes release hot air into the atmosphere, contributing to global warming. ... Why do scientists study earthquakes to predict a volcanic eruption? A.When magma moves, it causes earthquakes. B.Earthquakes break the earth apart and cause magma to appear at the surface.
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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Answer:
Restriction endonuclease
Explanation:
It cut the DNA at specific sequence and it is very useful in biotechnology