In This Question, Assume That the Life Cycle of a Flowering

question 20

Multiple Choice

In this question, assume that the life cycle of a flowering plant begins with the germination of a seed and ends with the development of a fruit. Two events that occur in the life cycle are the fusion of sperm and central cell nuclei and the fusion of egg and sperm.

• A) The fusion of sperm and central cell nuclei precedes the fusion of egg and sperm.
• B) The fusion of egg and sperm precedes the fusion of sperm and central cell nuclei.
• C) Both events occur more or less simultaneously.

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Definitions:

Depression

A mood disorder characterized by persistent feelings of sadness, hopelessness, and a lack of interest or pleasure in activities.

Mild Mania

A less severe form of mania characterized by elevated mood, increased activity or energy levels, but not severe enough to cause significant impairment in daily functioning.

Unipolar Depression

A mental health disorder highlighted by a pervasive low mood, lack of motivation, and loss of pleasure in previously enjoyed activities.

Onset

The beginning or start of something, such as a disease, symptom, or process.