Sperm Cannot Fertilize an Egg Unless They Have Been in the Female

question 25

Multiple Choice

Sperm cannot fertilize an egg unless they have been in the female reproductive tract for several hours. This enhanced ability of the sperm to fertilize the ovum is called capacitation. In vitro studies indicate that the sperm can fertilize the ovum if they are first washed before being introduced to the ovum. These observations suggest that

• A) the process of capacitation involves the removal of some inhibiting substance or substances from the sperm.
• B) the process of capacitation is temperature dependent.
• C) in capacitation, secretions of the female reproductive tract are taken up by the sperm.
• D) pH is an important factor in the process of capacitation.
• E) only sperm that come into contact with vaginal secretions are capable of fertilizing an ovum.

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Definitions:

Food Availability

The presence and accessibility of food in a certain area, influenced by factors such as agriculture, distribution, and socioeconomic status.

Experience Of Hunger

The physical and psychological sensation that motivates the desire to eat, influenced by biological, social, and emotional factors.

Greater Variety

The availability or presence of a wide range of different options or items, often considered beneficial in decision-making or dietary context.

Same-sex Attraction

An emotional, romantic, or sexual attraction to individuals of the same gender.