Which statement about plant hormones is NOT true?
A. Responses to plant hormones may be observed in nearly any part of a plant.
B. Plant hormones include at least one form that is a gas.
C. Each naturally occurring hormone has a specific chemical structure.
D. All known growth regulators of plants are chemicals produced naturally in plants.
E. Hormones are among the principal internal regulators of plant growth.
Answer: D
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a. prophase II b. anaphase I c. prophase I d. prometaphase I e. metaphase I
On a Scyphozoan, where would one look for the mouth, which is also the anus?
a. on the top of the bell b. on the tentacles c. under the bell d. These do not have a mouth.
Which of the following designates a normal human
male? a. YY b. XX c. XY d. XO e. XYY
The marine multicellular protists including the larger brown algae belong to the
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