The megaspore produces a gametophyte with ____ cells
a. 2
b. 7
c. 8
d. 14
e. 16
ANSWER: b
Biology & Microbiology
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Which characteristic is NOT found in nonliving entities?
a. energetic interactions b. DNA c. atoms d. heat energy e. complexity
Biology & Microbiology
If a behavior has evolved by natural selection, it must have ________.
A. evolved the same way in each species B. a genetic basis C. reduced the predation rate on the animal D. benefits for both males and females
Biology & Microbiology
Why would someone allergic to pecans want to avoid other tree nuts as well?
What will be an ideal response?
Biology & Microbiology
The basic shape of a DNA molecule is the _____.
A) base pair B) sugar-phosphate backbone C) single helix D) double helix
Biology & Microbiology