Cell differentiation accounts for cells of an
organism becoming different in
a. composition.
b. structure.
c. function.
d. development.
e. all of these
E
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A virus that kills its host is said to be
A) lytic or virulent. B) temperate. C) lysogenic. D) virulent or lysogenic, but not temperate.
What is a characteristic of T2 bacteriophage?
A. It does not require a host cell for replication B. The phage attaches to the cell wall of a target eukaryotic cell C. The phages injects its DNA into the host cell D. The new phages are formed outside the host cell
The slender, rootlike structures found in nonvascular plants are called ____
a. thalli b. rhizomes c. gametangia d. protonema e. rhizoids
Homing pigeons' ability to always return to their home, no matter where they are released, is an excellent example of _____
A) piloting B) compass orientation C) an innate behavior D) true navigation