When a wolf or dog bows, this signal tells the receiver that the behavior that follows is ________
a. aggressive
b. submissive
c. sexual
d. playful
d
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A reagent that stains the stored food of a green alga black is
(a) India ink. (b) I2KI. (c) methylene blue. (d) both a and b.
Exposure to light and the pull of gravity will cause a root to grow downward into the soil
What will be an ideal response?
What binds pairs of chromosomes together?
a. linker DNA b. cohesion proteins c. histone proteins d. centromeres
If human gametes were diploid
A. the products of fertilization would have the same number of chromosomes as their parents. B. the products of fertilization would have fewer chromosomes than their parents. C. fertilization could not occur. D. the products of fertilization would have more chromosomes than their parents. E. the embryo would be diploid.