The Following Questions Refer to the Diagram of an Embryo

question 54

Multiple Choice

The following questions refer to the diagram of an embryo sac of an angiosperm shown in Figure 30.1.
Figure 30.1
-Based on Figure 30.1,which cell(s) guide(s) the pollen tube to the egg cell?

• A)A
• B)B
• C)C

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Definitions:

Dysmenorrhea

Painful menstruation.

Amenorrhea

A medical condition characterized by the absence of menstruation in a woman who is of reproductive age.

Pelvic Cramps

Painful sensations that occur in the lower abdomen, often linked to menstrual cycles, but can also be caused by various medical conditions.

Penile-vaginal Penetration

A sexual act involving the insertion of a penis into a vagina.