The Event That Triggers Fruit Formation Is the Growth of a Pollen

question 32

Multiple Choice

The event that triggers fruit formation is the growth of a pollen tube through the carpel of a flower. Identify a reasonable hypothesis about the basis of this effect.

• A) Pollen tubes grow in response to a cytokinin produced by the carpel.
• B) Pollen tubes grow in response to abscisic acid.
• C) The growing pollen tube produces ethylene.
• D) The growing pollen tube produces auxins and/or gibberellins.

---

Definitions:

Paraphilia

A condition characterized by atypical sexual interests that may involve non-normative targets, activities, or situations, considered beyond the realm of conventional sexual behavior.

Sexual Dysfunction

A psychological disorder that reduces sexual activity due to a significant and enduring problem in sexual functioning or pleasure, causing distress and impairing the person’s life.

Medication-Induced

Pertaining to symptoms, disorders, or other medical conditions that are caused or exacerbated by pharmaceutical drugs.

Erectile Disorder

A sexual dysfunction marked by the inability to achieve or maintain an erection suitable for sexual intercourse.