akeelahbolton4
12.04.2021 •
Biology
14)
14) Which of the following statements best summarizes the acid growth hypothesis in an actively
growing shoot?
A) Auxins activate aquaporins that increase turgor pressure in the cells.
B) Auxin-activated proton pumps lower the pH of the cell wall, which breaks bonds and makes
the walls more flexible.
C) Auxins and gibberellins together act as a lubricant to help stretch cellulose microfibrils.
D) Auxin stimulates proton pumps in the plasma membrane and tonoplast.
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