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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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?

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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

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What are the upper chambers of the heart called?

A. ventricles B. septa C. AV valves D. auricles E. atria

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