Why are axillary buds often inhibited from growing even though a stem may be actively elongating?
A)The cells of axillary buds respond differently to auxin than stem cells.
B)Axillary buds are high in abscisic acid that prevents elongation.
C)Axillary buds are low in gibberellins.
D)Stem cells lack receptors for auxin.

Question

Quizplus · Accepted Answer

Axillary buds are often inhibited from growing because the cells of axillary buds respond differently to auxin than stem cells. Auxin is typically synthesized in the apical meristem and transported down the stem, causing the stem to elongate. However, when auxin levels are high, they can inhibit the growth of axillary buds. This is because the cells in the buds have a different pattern of auxin receptors and respond differently to auxin than the cells in the stem. Therefore, even though the stem is actively elongating, the axillary buds may remain dormant until auxin levels decrease, allowing the buds to grow.

Why Are Axillary Buds Often Inhibited from Growing Even Though