Which of the following statements best summarizes the acid growth hypothesis in an actively growing shoot?
A) Auxin stimulates proton pumps in the plasma membrane and tonoplast.
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) Auxins activate aquaporins that increase turgor pressure in the cells.
E) Auxins and gibberellins are transported to the vacuoles to build up turgor pressure.
The epidermal growth factor (EGF) pathway that promotes cell division
Species-rich floras of chalk grassland compared to species-poor floras of acid soils.
The amino acid sequences of whale myoglobin and the α and β chains of human hemoglobin
chem: acid-base
effect of pH on ionization and charges of amines and carboxylic acid
Growth in Closed Economies