What causes the hypocotyl of dicots to straighten?
a. light
b. gravity
c. wind
d. wind
e. soil
ANSWER: a
Biology & Microbiology
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endocrine signals use _________ for communication
Fill in the blank(s) with the appropriate word(s).
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A monohybrid (one-gene) cross yields 4 genotypic classes, and a dihybrid (two-gene) cross yields 16. How many classes are expected from a tetrahybrid (four-gene) cross?
What will be an ideal response?
Biology & Microbiology
If leaves were the only food in your diet you would most likely have:a
more incisors than premolars and molars. b. fewer incisors than premolars and molars. c. an equal number of incisors, premolars, and molars. d. only have premolars and molars. e. an incomplete digestive tract
Biology & Microbiology
What are the upper chambers of the heart called?
A. ventricles B. septa C. AV valves D. auricles E. atria
Biology & Microbiology