[普生] 兩題普生
1. A hydrophobic portion of a substrate molecule would most likely fit into a
_____ region of its enzyme's active
A) positive charge
B) negative charge
C) hydrophilic
D) hydrophobic
E) polar
2. Suppose that gene X,Y and Z are linked and that crossing-over occurs between
X and Y 20 percent of the time,between Y and Z 30 percent of time,and
between X and Z 10 percent of time.Which gene are farthest apart on the
chromosome?
A) X and Y
B) X and Z
C) Y and Z
D) X and Y,Y and Z (equally far apart)
E) X and Z,Y and Z (equally far apart)
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help~~~
thx!!
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