Which of the following is made from tree
bark?
a. cinnamon.
b. cocaine.
c. syrup.
d. hemp.
e. saffron
A
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Which of the following statements does not apply to aquaporins?
A. They are water transport channels. B. They are unique to plant cells. C. They occur in the plasma membrane. D. They speed up osmosis. E. They do not alter the direction of water movement.
This portion of the graph shows the activation energy when there is no enzyme
a. A b. B c. C d. W + X e. Y + Z
Which of the following invertebrates is most
closely related to vertebrates?
a. lancelets b. tunicates c. sea stars d. earthworms e. leeches
Most carbohydrates manufactured in leaves and other photosynthetic parts are transported through the phloem to the rest of the plant by the process of
A. translocation. B. transpiration. C. turgor pressure. D. osmosis. E. receptor-mediated transport.