During Fertilization in Humans

question 22

Multiple Choice

During fertilization in humans,

• A)a wave of Ca²⁺ ions is released in the fertilized egg's cytoplasm.
• B)only one sperm binds to the unfertilized egg.
• C)a sperm moves in a random fashion until it encounters an egg.
• D)several sperm pronuclei compete in the cytoplasm to fuse with the egg nucleus.

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Definitions:

Spillovers

Effects of an economic activity that impact third parties who are not directly involved in the activity, potentially leading to externalities.

Marginal Cost

The added cost incurred from the production of an extra unit of output.

Total Revenue

The total amount of money generated by a business from the sale of goods or services before any expenses are subtracted.

Life Expectancy

The average number of years a person is expected to live based on demographic factors such as current age, gender, and geographic location, calculated from statistical data.