Which of the Following Statements Best Summarizes the Acid Growth

question 45

Multiple Choice

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.

---

Definitions:

Anxious

Experiencing worry, unease, or nervousness, typically about an imminent event or something with an uncertain outcome.

Anxious

Feeling anxious or nervous, usually due to an upcoming event or something whose result is not yet known.

Office Decor

The style and arrangement of furnishings and decorations within a workplace, impacting the aesthetic and atmosphere.

Arrangement

The way in which items or affairs are organized, planned, or prepared.