|
Consider the following excerpt of a figure from your text (Fig
31.9). Keep in mind that auxin retains or loses a proton depending
on its location in the plant stem.
For each of the following statements, indicate whether after an
auxin molecule has diffused into a cell it would then move: away
from the meristem, toward the meristem, or have no movement in any
direction.
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1. |
PIN proteins are located on the apical side of the cell
membrane only |
| abc |
2. |
PIN proteins are located on the lateral side of the cell
membrane only |
| abc |
3. |
PIN proteins are found on both the apical and lateral sides of
the cell |
| abc |
4. |
There are no PIN proteins on the cell membrane |
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