What Happens If a Growing Shoot's Tip Breaks Off

question 43

Multiple Choice

What happens if a growing shoot's tip breaks off?

• A)auxin levels rise in the stem and prevent lengthening of lateral buds
• B)cytokinin levels drop in the stem and inhibit branch development
• C)cytokinin levels rise in the stem and stimulate lateral bud growth
• D)auxin moves into lateral buds and promotes cell division
• E)cytokinin is transported away from bud tips and down the stem

---

Definitions:

Structure Labeled

In microscopy, the identification and tagging of specific cellular or molecular components with labels or markers for study.

Anther

The part of the stamen in flowers that produces microspores and, ultimately, pollen grains.

Endosperm

A nutritive tissue in seeds of most flowering plants, providing sustenance to the developing embryo.

Triploid

An organism or cell having three complete sets of chromosomes, typically resulting from a cross between a diploid and a tetraploid or through nondisjunction events.