Why do pine trees have two different types of cones?
A) One type produces the gametophyte, the other type produces the sporophyte.
B) One type produces ovules, the other type produces pollen.
C) One type is produced in the fall, the other type is produced in the spring.
D) One type produces seeds, the other type produces fruit.
B
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The insertion of a skeletal muscle is
(a) attached to the less mobile portion of the skeleton. (b) attached to the portion of the skeleton that moves when the muscle contracts. (c) never attached to the skeleton. (d) its belly.
The functional group that characterizes an alcohol is
A. -NH2 B. -COOH C. -PO4 D. -SH E. -OH
A tendon is an extension of ___ tissue
a. dense connective b. loose connective c. bony d. epithelial e. muscle
The process of manufacturing RNA from template DNA is
A. transcription. B. replication. C. translation. D. protein synthesis.