____ is believed to be produced in the leaves and transported to the phloem in the shoot apical meristem
a. Jasmonic acid
b. Florigen
c. Brassinosteroid
d. Abscisic acid
e. Ethylene
b
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You identify an enzyme involved in a cellular reaction. How does the enzyme affect the reaction equilibrium between reactants and products and the time needed to reach equilibrium?
A. It alters the reaction equilibrium and shortens the time needed to reach equilibrium. B. The reaction equilibrium is unaffected, but it shortens the time needed to reach equilibrium. C. It alters the reaction equilibrium and lengthens the time needed to reach equilibrium. D. The reaction equilibrium is unaffected, but it lengthens the time needed to reach equilibrium.
The proportion of shared genes between a grandparent and grandchild is ________ percent.
A) 10 B) 25 C) 50 D) 100
Free ________ molecules provide lubrication to joints between movable bones
Fill in the blank with correct word.
During which time period did the animal in the accompanying figure appear?
a. Jurassic
b. Triassic
c. Permian
d. Devonian
e. Cretaceous